Merge branch 'develop' into develop

.gitignore

@@ -24,6 +24,7 @@
 *.lai
 *.la
 *.lib
+*.a
 
 # Executables
 *.exe
@@ -70,7 +71,10 @@ build
 cmake-build-debug
 cmake-build-release
 
-#ios demo
+# ios
+tools/libomp.a
+
+# ios demo
 demo/ios/PaddleMobileDemo/PaddleMobileDemo/googlenet_combine/
 demo/ios/PaddleMobileDemo/PaddleMobileDemo/*.jpg
 demo/ios/PaddleMobileDemo/PaddleMobileDemo/PaddleMobile/*.a
@@ -84,6 +88,7 @@ SwiftProtobuf.framework
 paddle-mobile.xcworkspace
 metal/models/
 metal/images/
-
-
-tools/libomp.a
+*.a
+metal/paddle-mobile/paddle-mobile/CPU/libpaddle-mobile.a
+*.xcuserdatad/
\ No newline at end of file
+*/xcuserdata/

README.md

@@ -69,8 +69,18 @@ Paddle-Mobile是PaddlePaddle组织下的项目，是一个致力于嵌入式平
 
 - **苹果设备的GPU Metal实现**
 
-    基于Metal实现的苹果设备的GPU预测库，也已经在实现中，近期也会有相应可运行版本。
-     
+|mobilenetfssd|速度|
+|------------|-----|
+|A9(ms)|33.78|
+|A10(ms)|24.05|
+|A11(ms)|17.15|
+|||
+|genet|速度|
+|A9(ms) |3.49|
+|A10(ms)|2.54|
+|A11(ms)|1.43|
+
+
 - **FPGA**
 
     FPGA实现正在进行中，是基于Xilinx的ZU5目标开发板。

metal/paddle-mobile-demo/paddle-mobile-demo.xcodeproj/project.pbxproj

@@ -8,22 +8,29 @@
 
 /* Begin PBXBuildFile section */
 		30D0ED21F392CFA3885B1002 /* Pods_paddle_mobile_demo.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 18896810981724F8A0FED62A /* Pods_paddle_mobile_demo.framework */; };
+		C2E67E5E21524E460013F575 /* LoadPointerViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = C2E67E5D21524E460013F575 /* LoadPointerViewController.m */; };
 		FC013928210204A3008100E3 /* PreProcessKernel.metal in Sources */ = {isa = PBXBuildFile; fileRef = FC013927210204A3008100E3 /* PreProcessKernel.metal */; };
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-		FC3602C82108580600FACB58 /* MetalHelper.swift in Sources */ = {isa = PBXBuildFile; fileRef = FC3602C72108580600FACB58 /* MetalHelper.swift */; };
-		FC918191211DBC3500B6F354 /* paddle-mobile.png in Resources */ = {isa = PBXBuildFile; fileRef = FC918190211DBC3500B6F354 /* paddle-mobile.png */; };
-		FC918193211DC70500B6F354 /* iphone.JPG in Resources */ = {isa = PBXBuildFile; fileRef = FC918192211DC70500B6F354 /* iphone.JPG */; };
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-		FCD04E6420F3146B0007374F /* model in Resources */ = {isa = PBXBuildFile; fileRef = FCD04E6220F3146A0007374F /* model */; };
-		FCDFD3FB211D72C3005AB38B /* ModelHelper.swift in Sources */ = {isa = PBXBuildFile; fileRef = FCDFD3FA211D72C3005AB38B /* ModelHelper.swift */; };
-		FCDFD41B211D91C7005AB38B /* synset.txt in Resources */ = {isa = PBXBuildFile; fileRef = FCDFD41A211D91C7005AB38B /* synset.txt */; };
+		FC803BCD214D27930094B8E5 /* FPSCounter.swift in Sources */ = {isa = PBXBuildFile; fileRef = FC803BCB214D27920094B8E5 /* FPSCounter.swift */; };
+		FC803BCE214D27930094B8E5 /* VideoCapture.swift in Sources */ = {isa = PBXBuildFile; fileRef = FC803BCC214D27920094B8E5 /* VideoCapture.swift */; };
+		FCBCCC552122EF5500D94F7E /* MetalHelper.swift in Sources */ = {isa = PBXBuildFile; fileRef = FCBCCC542122EF5400D94F7E /* MetalHelper.swift */; };
 		FCEBEC2C20E1391F00C0B14D /* paddle_mobile.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = FCEBEC2B20E1391F00C0B14D /* paddle_mobile.framework */; };
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-		FCEEE7D4210627A000444BEC /* banana.jpeg in Resources */ = {isa = PBXBuildFile; fileRef = FCEEE7D3210627A000444BEC /* banana.jpeg */; };
+		FCF437E8214B6DDB00943429 /* MultiPredictViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = FCF437E7214B6DDB00943429 /* MultiPredictViewController.swift */; };
+		FCFE9B692152858600DECA15 /* hand.jpg.zip in Resources */ = {isa = PBXBuildFile; fileRef = FCFE9B632152858600DECA15 /* hand.jpg.zip */; };
+		FCFE9B6A2152858600DECA15 /* synset.txt in Resources */ = {isa = PBXBuildFile; fileRef = FCFE9B642152858600DECA15 /* synset.txt */; };
+		FCFE9B6B2152858600DECA15 /* banana.jpeg in Resources */ = {isa = PBXBuildFile; fileRef = FCFE9B652152858600DECA15 /* banana.jpeg */; };
+		FCFE9B6C2152858600DECA15 /* hand.jpg in Resources */ = {isa = PBXBuildFile; fileRef = FCFE9B662152858600DECA15 /* hand.jpg */; };
+		FCFE9B6D2152858600DECA15 /* iphone.JPG in Resources */ = {isa = PBXBuildFile; fileRef = FCFE9B672152858600DECA15 /* iphone.JPG */; };
+		FCFE9B6E2152858600DECA15 /* paddle-mobile.png in Resources */ = {isa = PBXBuildFile; fileRef = FCFE9B682152858600DECA15 /* paddle-mobile.png */; };
+		FCFE9C512152859600DECA15 /* genet_params in Resources */ = {isa = PBXBuildFile; fileRef = FCFE9B752152859500DECA15 /* genet_params */; };
+		FCFE9C522152859600DECA15 /* genet_model in Resources */ = {isa = PBXBuildFile; fileRef = FCFE9B762152859500DECA15 /* genet_model */; };
+		FCFE9D232152859600DECA15 /* ar_model in Resources */ = {isa = PBXBuildFile; fileRef = FCFE9C4C2152859500DECA15 /* ar_model */; };
+		FCFE9D242152859600DECA15 /* ar_params in Resources */ = {isa = PBXBuildFile; fileRef = FCFE9C4D2152859500DECA15 /* ar_params */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXCopyFilesBuildPhase section */
@@ -44,6 +51,8 @@
 		081C9CF10DB06C58B8B6B039 /* Pods-paddle-mobile-demo.release.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-paddle-mobile-demo.release.xcconfig"; path = "../Pods/Target Support Files/Pods-paddle-mobile-demo/Pods-paddle-mobile-demo.release.xcconfig"; sourceTree = "<group>"; };
 		18896810981724F8A0FED62A /* Pods_paddle_mobile_demo.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = Pods_paddle_mobile_demo.framework; sourceTree = BUILT_PRODUCTS_DIR; };
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+		C2E67E5C21524E460013F575 /* LoadPointerViewController.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = LoadPointerViewController.h; sourceTree = "<group>"; };
+		C2E67E5D21524E460013F575 /* LoadPointerViewController.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = LoadPointerViewController.m; sourceTree = "<group>"; };
 		FC013927210204A3008100E3 /* PreProcessKernel.metal */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.metal; path = PreProcessKernel.metal; sourceTree = "<group>"; };
 		FC039B7E20E11C550081E9F8 /* paddle-mobile-demo.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = "paddle-mobile-demo.app"; sourceTree = BUILT_PRODUCTS_DIR; };
 		FC039B8120E11C550081E9F8 /* AppDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppDelegate.swift; sourceTree = "<group>"; };
@@ -52,15 +61,23 @@
 		FC039B8820E11C560081E9F8 /* Assets.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = Assets.xcassets; sourceTree = "<group>"; };
 		FC039B8B20E11C560081E9F8 /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; name = Base; path = Base.lproj/LaunchScreen.storyboard; sourceTree = "<group>"; };
 		FC039B8D20E11C560081E9F8 /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
-		FC3602C72108580600FACB58 /* MetalHelper.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; name = MetalHelper.swift; path = "../../paddle-mobile-unit-test/paddle-mobile-unit-test/MetalHelper.swift"; sourceTree = "<group>"; };
-		FC918190211DBC3500B6F354 /* paddle-mobile.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "paddle-mobile.png"; sourceTree = "<group>"; };
-		FC918192211DC70500B6F354 /* iphone.JPG */ = {isa = PBXFileReference; lastKnownFileType = image.jpeg; path = iphone.JPG; sourceTree = "<group>"; };
-		FCD04E6120F3146A0007374F /* params */ = {isa = PBXFileReference; lastKnownFileType = file; path = params; sourceTree = "<group>"; };
-		FCD04E6220F3146A0007374F /* model */ = {isa = PBXFileReference; lastKnownFileType = file; path = model; sourceTree = "<group>"; };
-		FCDFD3FA211D72C3005AB38B /* ModelHelper.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ModelHelper.swift; sourceTree = "<group>"; };
-		FCDFD41A211D91C7005AB38B /* synset.txt */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = synset.txt; sourceTree = "<group>"; };
+		FC27991121343A39000B6BAD /* paddle-mobile-demo-Bridging-Header.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = "paddle-mobile-demo-Bridging-Header.h"; sourceTree = "<group>"; };
+		FC4FD97B2140EE250073E130 /* libc++.tbd */ = {isa = PBXFileReference; lastKnownFileType = "sourcecode.text-based-dylib-definition"; name = "libc++.tbd"; path = "usr/lib/libc++.tbd"; sourceTree = SDKROOT; };
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+		FCBCCC542122EF5400D94F7E /* MetalHelper.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = MetalHelper.swift; sourceTree = "<group>"; };
 		FCEBEC2B20E1391F00C0B14D /* paddle_mobile.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; path = paddle_mobile.framework; sourceTree = BUILT_PRODUCTS_DIR; };
-		FCEEE7D3210627A000444BEC /* banana.jpeg */ = {isa = PBXFileReference; lastKnownFileType = image.jpeg; path = banana.jpeg; sourceTree = "<group>"; };
+		FCF437E7214B6DDB00943429 /* MultiPredictViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MultiPredictViewController.swift; sourceTree = "<group>"; };
+		FCFE9B632152858600DECA15 /* hand.jpg.zip */ = {isa = PBXFileReference; lastKnownFileType = archive.zip; path = hand.jpg.zip; sourceTree = "<group>"; };
+		FCFE9B642152858600DECA15 /* synset.txt */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = synset.txt; sourceTree = "<group>"; };
+		FCFE9B652152858600DECA15 /* banana.jpeg */ = {isa = PBXFileReference; lastKnownFileType = image.jpeg; path = banana.jpeg; sourceTree = "<group>"; };
+		FCFE9B662152858600DECA15 /* hand.jpg */ = {isa = PBXFileReference; lastKnownFileType = image.jpeg; path = hand.jpg; sourceTree = "<group>"; };
+		FCFE9B672152858600DECA15 /* iphone.JPG */ = {isa = PBXFileReference; lastKnownFileType = image.jpeg; path = iphone.JPG; sourceTree = "<group>"; };
+		FCFE9B682152858600DECA15 /* paddle-mobile.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "paddle-mobile.png"; sourceTree = "<group>"; };
+		FCFE9B752152859500DECA15 /* genet_params */ = {isa = PBXFileReference; lastKnownFileType = file; path = genet_params; sourceTree = "<group>"; };
+		FCFE9B762152859500DECA15 /* genet_model */ = {isa = PBXFileReference; lastKnownFileType = file; path = genet_model; sourceTree = "<group>"; };
+		FCFE9C4C2152859500DECA15 /* ar_model */ = {isa = PBXFileReference; lastKnownFileType = file; path = ar_model; sourceTree = "<group>"; };
+		FCFE9C4D2152859500DECA15 /* ar_params */ = {isa = PBXFileReference; lastKnownFileType = file; path = ar_params; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -88,6 +105,7 @@
 		7B7DED984E9EE7BFB45E24E8 /* Frameworks */ = {
 			isa = PBXGroup;
 			children = (
+				FC4FD97B2140EE250073E130 /* libc++.tbd */,
 				18896810981724F8A0FED62A /* Pods_paddle_mobile_demo.framework */,
 			);
 			name = Frameworks;
@@ -115,49 +133,82 @@
 		FC039B8020E11C550081E9F8 /* paddle-mobile-demo */ = {
 			isa = PBXGroup;
 			children = (
-				FC0E2C2020EDC03B009C1FAC /* models */,
-				FC0E2C1D20EDC030009C1FAC /* images */,
+				FCFE9B6F2152859500DECA15 /* models */,
+				FCFE9B622152858600DECA15 /* images */,
+				FC803BCA214D27920094B8E5 /* VideoCapture */,
+				FC8CFED2213519540094D569 /* Net */,
 				FC039B8120E11C550081E9F8 /* AppDelegate.swift */,
-				FC013927210204A3008100E3 /* PreProcessKernel.metal */,
 				FC039B8320E11C550081E9F8 /* ViewController.swift */,
 				FC039B8520E11C550081E9F8 /* Main.storyboard */,
 				FC039B8820E11C560081E9F8 /* Assets.xcassets */,
 				FC039B8A20E11C560081E9F8 /* LaunchScreen.storyboard */,
 				FC039B8D20E11C560081E9F8 /* Info.plist */,
-				FC3602C72108580600FACB58 /* MetalHelper.swift */,
-				FCDFD3FA211D72C3005AB38B /* ModelHelper.swift */,
+				FC27991121343A39000B6BAD /* paddle-mobile-demo-Bridging-Header.h */,
+				FCF437E7214B6DDB00943429 /* MultiPredictViewController.swift */,
+				C2E67E5C21524E460013F575 /* LoadPointerViewController.h */,
+				C2E67E5D21524E460013F575 /* LoadPointerViewController.m */,
 			);
 			path = "paddle-mobile-demo";
 			sourceTree = "<group>";
 		};
-		FC0E2C1D20EDC030009C1FAC /* images */ = {
+		FC803BCA214D27920094B8E5 /* VideoCapture */ = {
+			isa = PBXGroup;
+			children = (
+				FC803BCB214D27920094B8E5 /* FPSCounter.swift */,
+				FC803BCC214D27920094B8E5 /* VideoCapture.swift */,
+			);
+			path = VideoCapture;
+			sourceTree = "<group>";
+		};
+		FC8CFED2213519540094D569 /* Net */ = {
+			isa = PBXGroup;
+			children = (
+				FC013927210204A3008100E3 /* PreProcessKernel.metal */,
+				FCBCCC542122EF5400D94F7E /* MetalHelper.swift */,
+			);
+			path = Net;
+			sourceTree = "<group>";
+		};
+		FCFE9B622152858600DECA15 /* images */ = {
 			isa = PBXGroup;
 			children = (
-				FC918192211DC70500B6F354 /* iphone.JPG */,
-				FC918190211DBC3500B6F354 /* paddle-mobile.png */,
-				FCDFD41A211D91C7005AB38B /* synset.txt */,
-				FCEEE7D3210627A000444BEC /* banana.jpeg */,
+				FCFE9B632152858600DECA15 /* hand.jpg.zip */,
+				FCFE9B642152858600DECA15 /* synset.txt */,
+				FCFE9B652152858600DECA15 /* banana.jpeg */,
+				FCFE9B662152858600DECA15 /* hand.jpg */,
+				FCFE9B672152858600DECA15 /* iphone.JPG */,
+				FCFE9B682152858600DECA15 /* paddle-mobile.png */,
 			);
 			name = images;
 			path = ../../images;
 			sourceTree = "<group>";
 		};
-		FC0E2C2020EDC03B009C1FAC /* models */ = {
+		FCFE9B6F2152859500DECA15 /* models */ = {
 			isa = PBXGroup;
 			children = (
-				FCD04E6020F3146A0007374F /* mobilenet */,
+				FCFE9B742152859500DECA15 /* genet */,
+				FCFE9C4B2152859500DECA15 /* fluid_fssd_new_ar */,
 			);
 			name = models;
 			path = ../../models;
 			sourceTree = "<group>";
 		};
-		FCD04E6020F3146A0007374F /* mobilenet */ = {
+		FCFE9B742152859500DECA15 /* genet */ = {
+			isa = PBXGroup;
+			children = (
+				FCFE9B752152859500DECA15 /* genet_params */,
+				FCFE9B762152859500DECA15 /* genet_model */,
+			);
+			path = genet;
+			sourceTree = "<group>";
+		};
+		FCFE9C4B2152859500DECA15 /* fluid_fssd_new_ar */ = {
 			isa = PBXGroup;
 			children = (
-				FCD04E6120F3146A0007374F /* params */,
-				FCD04E6220F3146A0007374F /* model */,
+				FCFE9C4C2152859500DECA15 /* ar_model */,
+				FCFE9C4D2152859500DECA15 /* ar_params */,
 			);
-			path = mobilenet;
+			path = fluid_fssd_new_ar;
 			sourceTree = "<group>";
 		};
 /* End PBXGroup section */
@@ -195,6 +246,7 @@
 				TargetAttributes = {
 					FC039B7D20E11C550081E9F8 = {
 						CreatedOnToolsVersion = 9.3.1;
+						LastSwiftMigration = 0940;
 					};
 				};
 			};
@@ -221,14 +273,18 @@
 			isa = PBXResourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
-				FCD04E6320F3146B0007374F /* params in Resources */,
+				FCFE9D232152859600DECA15 /* ar_model in Resources */,
 				FC039B8C20E11C560081E9F8 /* LaunchScreen.storyboard in Resources */,
-				FC918191211DBC3500B6F354 /* paddle-mobile.png in Resources */,
+				FCFE9C522152859600DECA15 /* genet_model in Resources */,
+				FCFE9D242152859600DECA15 /* ar_params in Resources */,
+				FCFE9B6E2152858600DECA15 /* paddle-mobile.png in Resources */,
+				FCFE9C512152859600DECA15 /* genet_params in Resources */,
+				FCFE9B692152858600DECA15 /* hand.jpg.zip in Resources */,
 				FC039B8920E11C560081E9F8 /* Assets.xcassets in Resources */,
-				FCEEE7D4210627A000444BEC /* banana.jpeg in Resources */,
-				FC918193211DC70500B6F354 /* iphone.JPG in Resources */,
-				FCDFD41B211D91C7005AB38B /* synset.txt in Resources */,
-				FCD04E6420F3146B0007374F /* model in Resources */,
+				FCFE9B6A2152858600DECA15 /* synset.txt in Resources */,
+				FCFE9B6B2152858600DECA15 /* banana.jpeg in Resources */,
+				FCFE9B6D2152858600DECA15 /* iphone.JPG in Resources */,
+				FCFE9B6C2152858600DECA15 /* hand.jpg in Resources */,
 				FC039B8720E11C550081E9F8 /* Main.storyboard in Resources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
@@ -280,10 +336,13 @@
 			buildActionMask = 2147483647;
 			files = (
 				FC039B8420E11C550081E9F8 /* ViewController.swift in Sources */,
-				FCDFD3FB211D72C3005AB38B /* ModelHelper.swift in Sources */,
+				FC803BCE214D27930094B8E5 /* VideoCapture.swift in Sources */,
 				FC013928210204A3008100E3 /* PreProcessKernel.metal in Sources */,
+				FCF437E8214B6DDB00943429 /* MultiPredictViewController.swift in Sources */,
+				FCBCCC552122EF5500D94F7E /* MetalHelper.swift in Sources */,
+				FC803BCD214D27930094B8E5 /* FPSCounter.swift in Sources */,
+				C2E67E5E21524E460013F575 /* LoadPointerViewController.m in Sources */,
 				FC039B8220E11C550081E9F8 /* AppDelegate.swift in Sources */,
-				FC3602C82108580600FACB58 /* MetalHelper.swift in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -428,19 +487,23 @@
 			baseConfigurationReference = 878829884E1A14D7044721D5 /* Pods-paddle-mobile-demo.debug.xcconfig */;
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				CLANG_ENABLE_MODULES = YES;
 				CODE_SIGN_IDENTITY = "iPhone Developer";
 				CODE_SIGN_STYLE = Automatic;
 				DEVELOPMENT_TEAM = A798K58VVL;
+				ENABLE_BITCODE = NO;
 				INFOPLIST_FILE = "paddle-mobile-demo/Info.plist";
 				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
-				PRODUCT_BUNDLE_IDENTIFIER = com.paddlemobile.metal;
+				PRODUCT_BUNDLE_IDENTIFIER = "com.baidu.paddle-mobile";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				PROVISIONING_PROFILE = "";
 				PROVISIONING_PROFILE_SPECIFIER = "";
+				SWIFT_OBJC_BRIDGING_HEADER = "paddle-mobile-demo/paddle-mobile-demo-Bridging-Header.h";
+				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
 				SWIFT_VERSION = 4.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
@@ -451,19 +514,22 @@
 			baseConfigurationReference = 081C9CF10DB06C58B8B6B039 /* Pods-paddle-mobile-demo.release.xcconfig */;
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				CLANG_ENABLE_MODULES = YES;
 				CODE_SIGN_IDENTITY = "iPhone Developer";
 				CODE_SIGN_STYLE = Automatic;
 				DEVELOPMENT_TEAM = A798K58VVL;
+				ENABLE_BITCODE = NO;
 				INFOPLIST_FILE = "paddle-mobile-demo/Info.plist";
 				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
-				PRODUCT_BUNDLE_IDENTIFIER = com.paddlemobile.metal;
+				PRODUCT_BUNDLE_IDENTIFIER = "com.baidu.paddle-mobile";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				PROVISIONING_PROFILE = "";
 				PROVISIONING_PROFILE_SPECIFIER = "";
+				SWIFT_OBJC_BRIDGING_HEADER = "paddle-mobile-demo/paddle-mobile-demo-Bridging-Header.h";
 				SWIFT_VERSION = 4.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};

metal/paddle-mobile-demo/paddle-mobile-demo.xcodeproj/xcuserdata/liuruilong.xcuserdatad/xcschemes/paddle-mobile-demo.xcscheme

-<?xml version="1.0" encoding="UTF-8"?>
-<Scheme
-   LastUpgradeVersion = "0940"
-   version = "1.3">
-   <BuildAction
-      parallelizeBuildables = "YES"
-      buildImplicitDependencies = "YES">
-      <BuildActionEntries>
-         <BuildActionEntry
-            buildForTesting = "YES"
-            buildForRunning = "YES"
-            buildForProfiling = "YES"
-            buildForArchiving = "YES"
-            buildForAnalyzing = "YES">
-            <BuildableReference
-               BuildableIdentifier = "primary"
-               BlueprintIdentifier = "FC039B7D20E11C550081E9F8"
-               BuildableName = "paddle-mobile-demo.app"
-               BlueprintName = "paddle-mobile-demo"
-               ReferencedContainer = "container:paddle-mobile-demo.xcodeproj">
-            </BuildableReference>
-         </BuildActionEntry>
-      </BuildActionEntries>
-   </BuildAction>
-   <TestAction
-      buildConfiguration = "Debug"
-      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
-      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      shouldUseLaunchSchemeArgsEnv = "YES">
-      <Testables>
-      </Testables>
-      <MacroExpansion>
-         <BuildableReference
-            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "FC039B7D20E11C550081E9F8"
-            BuildableName = "paddle-mobile-demo.app"
-            BlueprintName = "paddle-mobile-demo"
-            ReferencedContainer = "container:paddle-mobile-demo.xcodeproj">
-         </BuildableReference>
-      </MacroExpansion>
-      <AdditionalOptions>
-      </AdditionalOptions>
-   </TestAction>
-   <LaunchAction
-      buildConfiguration = "Debug"
-      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
-      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      launchStyle = "0"
-      useCustomWorkingDirectory = "NO"
-      ignoresPersistentStateOnLaunch = "NO"
-      debugDocumentVersioning = "YES"
-      debugServiceExtension = "internal"
-      allowLocationSimulation = "YES">
-      <BuildableProductRunnable
-         runnableDebuggingMode = "0">
-         <BuildableReference
-            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "FC039B7D20E11C550081E9F8"
-            BuildableName = "paddle-mobile-demo.app"
-            BlueprintName = "paddle-mobile-demo"
-            ReferencedContainer = "container:paddle-mobile-demo.xcodeproj">
-         </BuildableReference>
-      </BuildableProductRunnable>
-      <AdditionalOptions>
-      </AdditionalOptions>
-   </LaunchAction>
-   <ProfileAction
-      buildConfiguration = "Release"
-      shouldUseLaunchSchemeArgsEnv = "YES"
-      savedToolIdentifier = ""
-      useCustomWorkingDirectory = "NO"
-      debugDocumentVersioning = "YES">
-      <BuildableProductRunnable
-         runnableDebuggingMode = "0">
-         <BuildableReference
-            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "FC039B7D20E11C550081E9F8"
-            BuildableName = "paddle-mobile-demo.app"
-            BlueprintName = "paddle-mobile-demo"
-            ReferencedContainer = "container:paddle-mobile-demo.xcodeproj">
-         </BuildableReference>
-      </BuildableProductRunnable>
-   </ProfileAction>
-   <AnalyzeAction
-      buildConfiguration = "Debug">
-   </AnalyzeAction>
-   <ArchiveAction
-      buildConfiguration = "Release"
-      revealArchiveInOrganizer = "YES">
-   </ArchiveAction>
-</Scheme>

metal/paddle-mobile-demo/paddle-mobile-demo.xcodeproj/xcuserdata/liuruilong.xcuserdatad/xcschemes/xcschememanagement.plist

-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-	<key>SchemeUserState</key>
-	<dict>
-		<key>paddle-mobile-demo.xcscheme</key>
-		<dict>
-			<key>orderHint</key>
-			<integer>2</integer>
-		</dict>
-	</dict>
-	<key>SuppressBuildableAutocreation</key>
-	<dict>
-		<key>FC039B7D20E11C550081E9F8</key>
-		<dict>
-			<key>primary</key>
-			<true/>
-		</dict>
-	</dict>
-</dict>
-</plist>

metal/paddle-mobile-demo/paddle-mobile-demo/AppDelegate.swift

@@ -19,7 +19,6 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
 
     var window: UIWindow?
 
-
     func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
         // Override point for customization after application launch.
         return true

metal/paddle-mobile-demo/paddle-mobile-demo/Base.lproj/Main.storyboard

@@ -11,6 +11,34 @@
         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
     </dependencies>
     <scenes>
+        <!--Multi Predict View Controller-->
+        <scene sceneID="ec4-AW-9Vs">
+            <objects>
+                <viewController id="Vwd-lt-764" customClass="MultiPredictViewController" customModule="paddle_mobile_demo" customModuleProvider="target" sceneMemberID="viewController">
+                    <view key="view" contentMode="scaleToFill" id="55D-rz-Ex6">
+                        <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <subviews>
+                            <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="TQt-X9-PdF">
+                                <rect key="frame" x="164" y="318" width="46" height="30"/>
+                                <state key="normal" title="Button"/>
+                                <connections>
+                                    <action selector="predictAct:" destination="Vwd-lt-764" eventType="touchUpInside" id="d4z-Cv-6jY"/>
+                                </connections>
+                            </button>
+                        </subviews>
+                        <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                        <constraints>
+                            <constraint firstItem="TQt-X9-PdF" firstAttribute="centerY" secondItem="55D-rz-Ex6" secondAttribute="centerY" id="bL3-wr-TcH"/>
+                            <constraint firstItem="TQt-X9-PdF" firstAttribute="centerX" secondItem="55D-rz-Ex6" secondAttribute="centerX" id="sBi-RQ-sJn"/>
+                        </constraints>
+                        <viewLayoutGuide key="safeArea" id="bsd-h4-RYZ"/>
+                    </view>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="68E-SG-96s" userLabel="First Responder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="-559" y="686"/>
+        </scene>
         <!--View Controller-->
         <scene sceneID="tne-QT-ifu">
             <objects>
@@ -20,12 +48,11 @@
                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                         <subviews>
                             <imageView userInteractionEnabled="NO" contentMode="scaleAspectFit" horizontalHuggingPriority="251" verticalHuggingPriority="251" translatesAutoresizingMaskIntoConstraints="NO" id="ZZh-fw-LwK">
-                                <rect key="frame" x="0.0" y="20" width="375" height="247"/>
+                                <rect key="frame" x="0.0" y="20" width="225" height="247"/>
                             </imageView>
-                            <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Thread:" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="2EB-m2-a3L">
-                                <rect key="frame" x="10" y="538" width="68" height="24"/>
+                            <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" horizontalCompressionResistancePriority="749" text="Platform:" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="2EB-m2-a3L">
+                                <rect key="frame" x="10" y="538" width="35" height="24"/>
                                 <constraints>
-                                    <constraint firstAttribute="width" constant="68" id="Q5J-tq-JSX"/>
                                     <constraint firstAttribute="height" constant="24" id="SYv-As-Si8"/>
                                 </constraints>
                                 <fontDescription key="fontDescription" type="system" pointSize="20"/>
@@ -33,12 +60,12 @@
                                 <nil key="highlightedColor"/>
                             </label>
                             <pickerView contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="DlO-dk-RMr">
-                                <rect key="frame" x="88" y="510.5" width="287" height="80"/>
+                                <rect key="frame" x="55" y="510.5" width="320" height="80"/>
                                 <constraints>
                                     <constraint firstAttribute="height" constant="80" id="Sbi-05-Mwd"/>
                                 </constraints>
                             </pickerView>
-                            <pickerView contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="6MG-gv-hD5">
+                            <pickerView contentMode="scaleToFill" horizontalCompressionResistancePriority="749" translatesAutoresizingMaskIntoConstraints="NO" id="6MG-gv-hD5">
                                 <rect key="frame" x="85" y="401" width="290" height="80"/>
                                 <constraints>
                                     <constraint firstAttribute="height" constant="80" id="yAL-JY-G6b"/>
@@ -47,7 +74,6 @@
                             <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Models" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="avL-VK-Kha">
                                 <rect key="frame" x="10" y="429" width="65" height="24"/>
                                 <constraints>
-                                    <constraint firstAttribute="width" constant="65" id="6oA-g2-Xq4"/>
                                     <constraint firstAttribute="height" constant="24" id="EwE-B3-z2R"/>
                                 </constraints>
                                 <fontDescription key="fontDescription" type="system" pointSize="20"/>
@@ -142,9 +168,14 @@
                                 <fontDescription key="fontDescription" type="system" pointSize="15"/>
                                 <textInputTraits key="textInputTraits" autocapitalizationType="sentences"/>
                             </textView>
+                            <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="Cil-py-NiA">
+                                <rect key="frame" x="225" y="20" width="150" height="247"/>
+                                <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                            </view>
                         </subviews>
                         <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                         <constraints>
+                            <constraint firstItem="m5L-O7-P31" firstAttribute="top" secondItem="Cil-py-NiA" secondAttribute="bottom" constant="10" id="16p-IK-b5X"/>
                             <constraint firstItem="6Tk-OE-BBY" firstAttribute="trailing" secondItem="VQn-bS-fWp" secondAttribute="trailing" constant="10" id="1Xg-0h-9SE"/>
                             <constraint firstItem="avL-VK-Kha" firstAttribute="leading" secondItem="6Tk-OE-BBY" secondAttribute="leading" constant="10" id="2t9-hS-VXa"/>
                             <constraint firstItem="R90-Yf-S6g" firstAttribute="centerY" secondItem="wUL-9N-u1V" secondAttribute="centerY" id="76b-Ny-1Og"/>
@@ -159,11 +190,12 @@
                             <constraint firstItem="XpL-9M-UOp" firstAttribute="centerY" secondItem="wUL-9N-u1V" secondAttribute="centerY" id="KWW-qT-Rzf"/>
                             <constraint firstItem="6MG-gv-hD5" firstAttribute="centerY" secondItem="avL-VK-Kha" secondAttribute="centerY" id="KZa-YZ-DEs"/>
                             <constraint firstItem="2EB-m2-a3L" firstAttribute="leading" secondItem="6Tk-OE-BBY" secondAttribute="leading" constant="10" id="Le3-TN-zOL"/>
-                            <constraint firstItem="ZZh-fw-LwK" firstAttribute="trailing" secondItem="6Tk-OE-BBY" secondAttribute="trailing" id="MeS-HQ-voE"/>
+                            <constraint firstItem="ZZh-fw-LwK" firstAttribute="trailing" secondItem="6Tk-OE-BBY" secondAttribute="trailing" constant="-150" id="MeS-HQ-voE"/>
                             <constraint firstItem="m5L-O7-P31" firstAttribute="top" secondItem="ZZh-fw-LwK" secondAttribute="bottom" constant="10" id="NUL-Ta-VI8"/>
                             <constraint firstItem="m5L-O7-P31" firstAttribute="leading" secondItem="6Tk-OE-BBY" secondAttribute="leading" constant="15" id="RFA-z1-9aB"/>
                             <constraint firstItem="wUL-9N-u1V" firstAttribute="width" secondItem="a3K-ri-NVs" secondAttribute="width" id="Rp6-Bh-BN3"/>
                             <constraint firstItem="6MG-gv-hD5" firstAttribute="trailing" secondItem="6Tk-OE-BBY" secondAttribute="trailing" id="S0W-0G-75m"/>
+                            <constraint firstItem="Cil-py-NiA" firstAttribute="top" secondItem="6Tk-OE-BBY" secondAttribute="top" id="UNc-Et-9Yv"/>
                             <constraint firstItem="w7H-Sk-Rai" firstAttribute="leading" secondItem="wUL-9N-u1V" secondAttribute="trailing" id="VBM-8b-jP0"/>
                             <constraint firstItem="VQn-bS-fWp" firstAttribute="top" secondItem="m5L-O7-P31" secondAttribute="bottom" constant="8" id="VpS-4N-mOo"/>
                             <constraint firstItem="wUL-9N-u1V" firstAttribute="top" secondItem="2EB-m2-a3L" secondAttribute="bottom" constant="35" id="VpU-j2-gaE"/>
@@ -175,10 +207,12 @@
                             <constraint firstItem="ZZh-fw-LwK" firstAttribute="top" secondItem="6Tk-OE-BBY" secondAttribute="top" id="eIC-fZ-OEE"/>
                             <constraint firstItem="976-fk-Kx2" firstAttribute="centerY" secondItem="wUL-9N-u1V" secondAttribute="centerY" id="fFg-pB-eyU"/>
                             <constraint firstItem="6Tk-OE-BBY" firstAttribute="bottom" secondItem="wUL-9N-u1V" secondAttribute="bottom" constant="40" id="fG6-0p-I0P"/>
+                            <constraint firstItem="Cil-py-NiA" firstAttribute="trailing" secondItem="6Tk-OE-BBY" secondAttribute="trailing" id="gGK-DB-ibv"/>
                             <constraint firstItem="XpL-9M-UOp" firstAttribute="leading" secondItem="w7H-Sk-Rai" secondAttribute="trailing" id="guC-Db-cA9"/>
                             <constraint firstItem="6MG-gv-hD5" firstAttribute="leading" secondItem="avL-VK-Kha" secondAttribute="trailing" constant="10" id="jNW-iC-u7V"/>
                             <constraint firstItem="4ey-Xr-U4e" firstAttribute="bottom" secondItem="6Tk-OE-BBY" secondAttribute="bottom" id="o1X-q5-P7j"/>
                             <constraint firstItem="6MG-gv-hD5" firstAttribute="top" secondItem="VQn-bS-fWp" secondAttribute="bottom" constant="8" id="tAE-ss-jlA"/>
+                            <constraint firstItem="Cil-py-NiA" firstAttribute="leading" secondItem="ZZh-fw-LwK" secondAttribute="trailing" id="teJ-PP-h2R"/>
                             <constraint firstItem="4ey-Xr-U4e" firstAttribute="top" secondItem="wUL-9N-u1V" secondAttribute="bottom" constant="10" id="udc-wT-jqd"/>
                             <constraint firstItem="ZZh-fw-LwK" firstAttribute="leading" secondItem="6Tk-OE-BBY" secondAttribute="leading" id="vXI-l2-CjL"/>
                             <constraint firstItem="VQn-bS-fWp" firstAttribute="leading" secondItem="6Tk-OE-BBY" secondAttribute="leading" constant="10" id="wtI-Dl-YPq"/>
@@ -195,11 +229,81 @@
                         <outlet property="resultTextView" destination="VQn-bS-fWp" id="306-c7-3vM"/>
                         <outlet property="selectImageView" destination="ZZh-fw-LwK" id="afR-Bv-6AW"/>
                         <outlet property="threadPickerView" destination="DlO-dk-RMr" id="Kk4-QV-b5o"/>
+                        <outlet property="videoView" destination="Cil-py-NiA" id="QY2-BP-SNS"/>
                     </connections>
                 </viewController>
                 <placeholder placeholderIdentifier="IBFirstResponder" id="dkx-z0-nzr" sceneMemberID="firstResponder"/>
             </objects>
-            <point key="canvasLocation" x="-724" y="98.50074962518741"/>
+            <point key="canvasLocation" x="-1449" y="-3"/>
+        </scene>
+        <!--Load Pointer View Controller-->
+        <scene sceneID="56v-9i-I4d">
+            <objects>
+                <viewController id="4MS-jc-i6A" customClass="LoadPointerViewController" sceneMemberID="viewController">
+                    <view key="view" contentMode="scaleToFill" id="VbZ-nk-rJR">
+                        <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <subviews>
+                            <imageView userInteractionEnabled="NO" contentMode="scaleToFill" horizontalHuggingPriority="251" verticalHuggingPriority="251" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="2p5-S3-M4T">
+                                <rect key="frame" x="16" y="63" width="240" height="128"/>
+                                <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
+                            </imageView>
+                            <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="37q-nm-0H7">
+                                <rect key="frame" x="38" y="610" width="42" height="30"/>
+                                <constraints>
+                                    <constraint firstAttribute="height" constant="30" id="ofW-G3-KST"/>
+                                    <constraint firstAttribute="width" constant="42" id="pwd-tO-zcJ"/>
+                                </constraints>
+                                <state key="normal" title="Image"/>
+                            </button>
+                            <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="fAg-ai-yaA">
+                                <rect key="frame" x="119" y="610" width="34" height="30"/>
+                                <constraints>
+                                    <constraint firstAttribute="height" constant="30" id="IES-jf-Z1n"/>
+                                    <constraint firstAttribute="width" constant="34" id="jxK-Xn-WCE"/>
+                                </constraints>
+                                <state key="normal" title="Load"/>
+                                <connections>
+                                    <action selector="loaderButtonPressed:" destination="4MS-jc-i6A" eventType="touchUpInside" id="3cy-PD-aiE"/>
+                                </connections>
+                            </button>
+                            <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="pdS-6e-Pd1">
+                                <rect key="frame" x="185" y="610" width="49" height="30"/>
+                                <constraints>
+                                    <constraint firstAttribute="width" constant="49" id="ddY-uM-fzA"/>
+                                    <constraint firstAttribute="height" constant="30" id="yKd-YL-UML"/>
+                                </constraints>
+                                <state key="normal" title="Predict"/>
+                                <connections>
+                                    <action selector="predictButtonPressed:" destination="4MS-jc-i6A" eventType="touchUpInside" id="sOH-iT-s1w"/>
+                                </connections>
+                            </button>
+                            <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="DZa-sd-lY7">
+                                <rect key="frame" x="279" y="610" width="34" height="30"/>
+                                <constraints>
+                                    <constraint firstAttribute="width" constant="34" id="aSO-4q-PgA"/>
+                                    <constraint firstAttribute="height" constant="30" id="eAt-Uc-BxX"/>
+                                </constraints>
+                                <state key="normal" title="clear"/>
+                            </button>
+                        </subviews>
+                        <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                        <constraints>
+                            <constraint firstItem="vsb-FH-h7h" firstAttribute="bottom" secondItem="37q-nm-0H7" secondAttribute="bottom" constant="27" id="4Wf-Uh-gvr"/>
+                            <constraint firstItem="DZa-sd-lY7" firstAttribute="leading" secondItem="pdS-6e-Pd1" secondAttribute="trailing" constant="45" id="8dB-uI-cs9"/>
+                            <constraint firstItem="fAg-ai-yaA" firstAttribute="leading" secondItem="37q-nm-0H7" secondAttribute="trailing" constant="39" id="EAV-Oq-jeD"/>
+                            <constraint firstItem="vsb-FH-h7h" firstAttribute="bottom" secondItem="fAg-ai-yaA" secondAttribute="bottom" constant="27" id="Px0-A9-Eql"/>
+                            <constraint firstItem="pdS-6e-Pd1" firstAttribute="leading" secondItem="fAg-ai-yaA" secondAttribute="trailing" constant="32" id="ZUR-Nv-aNb"/>
+                            <constraint firstItem="vsb-FH-h7h" firstAttribute="bottom" secondItem="pdS-6e-Pd1" secondAttribute="bottom" constant="27" id="kPx-mt-ab9"/>
+                            <constraint firstItem="37q-nm-0H7" firstAttribute="leading" secondItem="vsb-FH-h7h" secondAttribute="leading" constant="38" id="trH-Fq-sSv"/>
+                            <constraint firstItem="vsb-FH-h7h" firstAttribute="bottom" secondItem="DZa-sd-lY7" secondAttribute="bottom" constant="27" id="yNJ-hq-2Qg"/>
+                        </constraints>
+                        <viewLayoutGuide key="safeArea" id="vsb-FH-h7h"/>
+                    </view>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="hGb-Pb-icS" userLabel="First Responder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="-721" y="-427"/>
         </scene>
     </scenes>
     <resources>

metal/paddle-mobile-demo/paddle-mobile-demo/LoadPointerViewController.h

+//
+//  LoadPointerViewController.h
+//  paddle-mobile-demo
+//
+//  Created by Xiao,Haichun on 2018/9/19.
+//  Copyright © 2018年 orange. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+@interface LoadPointerViewController : UIViewController
+
+@end

metal/paddle-mobile-demo/paddle-mobile-demo/LoadPointerViewController.m

+//
+//  LoadPointerViewController.m
+//  paddle-mobile-demo
+//
+//  Created by Xiao,Haichun on 2018/9/19.
+//  Copyright © 2018年 orange. All rights reserved.
+//
+
+#import "LoadPointerViewController.h"
+#import <Metal/Metal.h>
+#import "paddle-mobile-demo-Bridging-Header.h"
+
+@interface LoadPointerViewController ()
+
+@property (strong, nonatomic) id<MTLDevice> device;
+@property (strong, nonatomic) id<MTLTexture> texture;
+@property (strong, nonatomic) id<MTLCommandQueue> queue;
+@property (strong, nonatomic) PaddleMobileGPU *runner;
+@property (strong, nonatomic) ModelConfig *modelConfig;
+
+@end
+
+@implementation LoadPointerViewController
+
+- (void)viewDidLoad {
+    [super viewDidLoad];
+  
+  
+  self.device = MTLCreateSystemDefaultDevice();
+  
+  self.queue = [self.device newCommandQueue];
+  
+    // Do any additional setup after loading the view.
+//  NSString *modelPath = [[NSBundle mainBundle] URLForResource:@"genet_model" withExtension:nil].path;
+//  NSString *paramPath = [[NSBundle mainBundle] URLForResource:@"genet_params" withExtension:nil].path;
+  
+  NSString *modelPath = [[NSBundle mainBundle] URLForResource:@"ar_model" withExtension:nil].path;
+  NSString *paramPath = [[NSBundle mainBundle] URLForResource:@"ar_params" withExtension:nil].path;
+
+  long fileSize;
+  FILE *fp;
+  fp = fopen([modelPath UTF8String], "rb");
+  fseek(fp, 0, SEEK_END);
+  fileSize = ftell(fp);
+  rewind(fp);
+  void *buffer = malloc(fileSize);
+  fread(buffer, 1, fileSize, fp);
+  fclose(fp);
+  
+  long paramfileSize;
+  FILE *parmaFilePointer;
+  parmaFilePointer = fopen([paramPath UTF8String], "rb");
+  fseek(parmaFilePointer, 0, SEEK_END);
+  paramfileSize = ftell(parmaFilePointer);
+  rewind(parmaFilePointer);
+  void *parmaBuffer = malloc(paramfileSize);
+  fread(parmaBuffer, 1, paramfileSize, parmaFilePointer);
+  fclose(parmaFilePointer);
+  
+  _modelConfig = [[ModelConfig alloc] init];
+//  _modelConfig.means = @[[NSNumber numberWithFloat:128.0], [NSNumber numberWithFloat:128.0], [NSNumber numberWithFloat:128.0]];
+//  _modelConfig.scale = 0.017;
+//  _modelConfig.dims = @[[NSNumber numberWithFloat:1], [NSNumber numberWithFloat:128.], [NSNumber numberWithFloat:128.0],[NSNumber numberWithFloat:3.0]];
+  _modelConfig.means = @[[NSNumber numberWithFloat:103.94], [NSNumber numberWithFloat:116.78], [NSNumber numberWithFloat:123.68]];
+  _modelConfig.scale = 1;
+  _modelConfig.dims = @[[NSNumber numberWithFloat:1], [NSNumber numberWithFloat:160.], [NSNumber numberWithFloat:160.0],[NSNumber numberWithFloat:3.0]];
+  _modelConfig.modelPointer = buffer;
+  _modelConfig.modelSize = (int)fileSize;
+  _modelConfig.paramPointer = parmaBuffer;
+  _modelConfig.paramSize = (int)paramfileSize;
+}
+- (IBAction)loaderButtonPressed:(id)sender {
+//  _runner = [[PaddleMobileGPU alloc] initWithCommandQueue:self.queue net:GenetType modelConfig:_modelConfig];
+  _runner = [[PaddleMobileGPU alloc] initWithCommandQueue:self.queue net:MobileNetSSDType modelConfig:_modelConfig];
+  
+  [_runner load];
+}
+- (IBAction)predictButtonPressed:(id)sender {
+  [self predict];
+}
+
+- (id<MTLTexture>) createTextureFromImage:(UIImage*) image device:(id<MTLDevice>) device
+{
+  image  =[UIImage imageWithCGImage:[image CGImage]
+                              scale:[image scale]
+                        orientation: UIImageOrientationLeft];
+  
+  NSLog(@"orientation and size and stuff %ld %f %f", (long)image.imageOrientation, image.size.width, image.size.height);
+  
+  CGImageRef imageRef = image.CGImage;
+  
+  size_t width = self.view.frame.size.width;
+  size_t height = self.view.frame.size.height;
+  
+  size_t bitsPerComponent = CGImageGetBitsPerComponent(imageRef);
+  size_t bitsPerPixel = CGImageGetBitsPerPixel(imageRef);
+  
+  CGColorSpaceRef colorSpace = CGImageGetColorSpace(imageRef);
+  
+  CGImageAlphaInfo alphaInfo = CGImageGetAlphaInfo(imageRef);
+  
+  //  NSLog(@"%@ %u", colorSpace, alphaInfo);
+  
+  CGBitmapInfo bitmapInfo = kCGBitmapByteOrderDefault | alphaInfo;
+  //    NSLog(@"bitmap info %u", bitmapInfo);
+  
+  
+  CGContextRef context = CGBitmapContextCreate( NULL, width, height, bitsPerComponent, (bitsPerPixel / 8) * width, colorSpace, bitmapInfo);
+  
+  if( !context )
+  {
+    NSLog(@"Failed to load image, probably an unsupported texture type");
+    return nil;
+  }
+  
+  CGContextDrawImage( context, CGRectMake( 0, 0, width, height ), image.CGImage);
+  
+  
+  MTLPixelFormat format = MTLPixelFormatRGBA8Unorm;
+  
+  MTLTextureDescriptor *texDesc = [MTLTextureDescriptor texture2DDescriptorWithPixelFormat:format
+                                                                                     width:width
+                                                                                    height:height
+                                                                                 mipmapped:NO];
+  id<MTLTexture> texture = [device newTextureWithDescriptor:texDesc];
+  
+  [texture replaceRegion:MTLRegionMake2D(0, 0, width, height)
+             mipmapLevel:0
+               withBytes:CGBitmapContextGetData(context)
+             bytesPerRow:4 * width];
+  
+  return texture;
+}
+
+- (void)predict {
+  _texture = [self createTextureFromImage:[UIImage imageNamed:@"hand.jpg"] device:self.device];
+  NSTimeInterval startTime = [[NSDate date] timeIntervalSince1970];
+  NSInteger max = 428;
+  for (int i = 0;i < max; i ++) {
+    [_runner predict:_texture withCompletion:^(BOOL success , NSArray<NSNumber *> *result) {
+      if (success) {
+        if (i == max -1) {
+          double time = [[NSDate date] timeIntervalSince1970] - startTime;
+          time = (time/max)*1000;
+          NSLog(@"gap ==== %fms",time);
+        }
+//        for (int i = 0; i < result.count; i ++) {
+//          NSNumber *number = result[i];
+//          NSLog(@"result %d = %f:",i, [number floatValue]);
+//        }
+      }
+    }];
+  }
+}
+
+- (void)didReceiveMemoryWarning {
+    [super didReceiveMemoryWarning];
+    // Dispose of any resources that can be recreated.
+}
+
+/*
+#pragma mark - Navigation
+
+// In a storyboard-based application, you will often want to do a little preparation before navigation
+- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
+    // Get the new view controller using [segue destinationViewController].
+    // Pass the selected object to the new view controller.
+}
+*/
+
+@end

metal/paddle-mobile-demo/paddle-mobile-demo/MetalHelper.swift

-//
-//  MetalHelper.swift
-//  paddle-mobile-demo
-//
-//  Created by liuRuiLong on 2018/7/25.
-//  Copyright © 2018年 orange. All rights reserved.
-//
-
-import Metal
-import MetalKit
-import Foundation
-import paddle_mobile
-import MetalPerformanceShaders
-
-class MetalHelper {
-    let device: MTLDevice
-    let queue: MTLCommandQueue
-    let textureLoader: MTKTextureLoader
-    static let shared: MetalHelper = MetalHelper.init()
-    private init(){
-        device = MTLCreateSystemDefaultDevice()!
-        queue = device.makeCommandQueue()!
-        textureLoader = MTKTextureLoader.init(device: device)
-    }
-    
-    static func scaleTexture(queue: MTLCommandQueue, input: MTLTexture, size:(width: Int, height: Int), complete: @escaping (MTLTexture) -> Void) {
-        let tmpTextureDes = MTLTextureDescriptor.init()
-        tmpTextureDes.width = size.width
-        tmpTextureDes.height = size.height
-        tmpTextureDes.depth = 1
-        tmpTextureDes.usage = [.shaderRead, .shaderWrite]
-        tmpTextureDes.pixelFormat = .rgba32Float
-        tmpTextureDes.textureType = .type2D
-        tmpTextureDes.storageMode = .shared
-        tmpTextureDes.cpuCacheMode = .defaultCache
-        let dest = MetalHelper.shared.device.makeTexture(descriptor: tmpTextureDes)
-        
-        let scale = MPSImageLanczosScale.init(device: MetalHelper.shared.device)
-        
-        let buffer = queue.makeCommandBuffer()
-        scale.encode(commandBuffer: buffer!, sourceTexture: input, destinationTexture: dest!)
-        buffer?.addCompletedHandler({ (buffer) in
-            complete(dest!)
-        })
-        buffer?.commit()
-    }
-}
-

metal/paddle-mobile-demo/paddle-mobile-demo/ModelHelper.swift

-//
-//  ModelHelper.swift
-//  paddle-mobile-demo
-//
-//  Created by liuRuiLong on 2018/8/10.
-//  Copyright © 2018年 orange. All rights reserved.
-//
-
-import UIKit
-import MetalKit
-import Foundation
-import paddle_mobile
-import MetalPerformanceShaders
-
-class PreProccess: CusomKernel {
-    init(device: MTLDevice) {
-        let s = CusomKernel.Shape.init(inWidth: 224, inHeight: 224, inChannel: 3)
-        super.init(device: device, inFunctionName: "preprocess", outputDim: s, usePaddleMobileLib: false)
-    }
-}
-
-let modelHelperMap: [SupportModel : ModelHelper] = [.mobilenet : MobileNetHelper.init()]
-
-enum SupportModel: String{
-    case mobilenet = "mobilenet"
-    static func supportedModels() -> [SupportModel] {
-        return [.mobilenet]
-    }
-}
-
-protocol ModelHelper {
-    var dim: [Int] { get }
-    var modelPath: String { get }
-    var paramPath: String { get }
-    var modelDir: String { get }
-    var preprocessKernel: CusomKernel { get }
-    func getTexture(image: CGImage, getTexture: @escaping (MTLTexture) -> Void)
-    func resultStr(res: [Float]) -> String
-}
-
-extension ModelHelper {
-    func getTexture(image: CGImage, getTexture: @escaping (MTLTexture) -> Void) {
-        let texture = try? MetalHelper.shared.textureLoader.newTexture(cgImage: image, options: [:]) ?! " texture loader error"
-        MetalHelper.scaleTexture(queue: MetalHelper.shared.queue, input: texture!, size: (224, 224)) { (resTexture) in
-            getTexture(resTexture)
-        }
-    }
-}
-
-struct MobileNetHelper: ModelHelper{
-    class PreWords {
-        var contents: [String] = []
-        init(fileName: String, type: String = "txt", inBundle: Bundle = Bundle.main) {
-            if let filePath = inBundle.path(forResource: fileName, ofType: type) {
-                let string = try! String.init(contentsOfFile: filePath)
-                contents = string.components(separatedBy: CharacterSet.newlines).filter{$0.count > 10}.map{
-                    String($0[$0.index($0.startIndex, offsetBy: 10)...])
-                }
-            }else{
-                fatalError("no file call \(fileName)")
-            }
-        }
-        subscript(index: Int) -> String{
-            return contents[index]
-        }
-    }
-    let labels = PreWords.init(fileName: "synset")
-    
-    func resultStr(res: [Float]) -> String {
-        var s: [String] = []
-        res.top(r: 5).enumerated().forEach{
-            s.append(String(format: "%d: %@ (%3.2f%%)", $0 + 1, labels[$1.0], $1.1 * 100))
-        }
-        return s.joined(separator: "\n")
-    }
-    
-    var preprocessKernel: CusomKernel
-    let dim = [1, 224, 224, 3]
-    let modelPath: String
-    let paramPath: String
-    let modelDir: String
-    
-    init() {
-        modelPath = Bundle.main.path(forResource: "model", ofType: nil) ?! "model null"
-        paramPath = Bundle.main.path(forResource: "params", ofType: nil) ?! "para null"
-        modelDir = ""
-        preprocessKernel = PreProccess.init(device: MetalHelper.shared.device)
-    }
-}

metal/paddle-mobile-demo/paddle-mobile-demo/MultiPredictViewController.swift

+/* Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
+ 
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+ 
+ http://www.apache.org/licenses/LICENSE-2.0
+ 
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License. */
+
+import UIKit
+import paddle_mobile
+
+class MultiPredictViewController: UIViewController {
+  var runner1: Runner!
+  var runner2: Runner!
+  override func viewDidLoad() {
+    super.viewDidLoad()
+    let mobileNet = MobileNet_ssd_hand.init(device: MetalHelper.shared.device)
+    let genet = Genet.init(device: MetalHelper.shared.device)
+    runner1 = Runner.init(inNet: mobileNet, commandQueue: MetalHelper.shared.queue, inPlatform: .GPU)
+    let queue2 = MetalHelper.shared.device.makeCommandQueue()
+    
+    runner2 = Runner.init(inNet: genet, commandQueue: MetalHelper.shared.queue, inPlatform: .GPU)
+  }
+
+  @IBAction func predictAct(_ sender: Any) {
+    let success = self.runner2.load()
+//    DispatchQueue.global().async {
+      let image1 = UIImage.init(named: "hand.jpg")
+//      let success = self.runner2.load()
+//      if success {
+//        for i in 0..<10000 {
+//          print(i)
+//          self.runner2.predict(cgImage: image1!.cgImage!, completion: { (success, res) in
+//            print("result1: ")
+////            print(res)
+//          })
+//        }
+//      } else {
+//        print("load failed")
+//      }
+//      self.runner1.clear()
+//    }
+//    return
+//    DispatchQueue.global().async {
+////      sleep(1)
+//      let image1 = UIImage.init(named: "banana.jpeg")
+////      if success {
+//        for _ in 0..<10 {
+//          self.runner2.predict(cgImage: image1!.cgImage!, completion: { (success, res) in
+//            print("result2: ")
+//            print(res)
+//          })
+//        }
+////      } else {
+////        print("load failed")
+////      }
+////      self.runner2.clear()
+//    }
+  }
+}

metal/paddle-mobile-demo/paddle-mobile-demo/Net/MetalHelper.swift

+/* Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
+ 
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+ 
+ http://www.apache.org/licenses/LICENSE-2.0
+ 
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License. */
+
+import Metal
+import MetalKit
+import Foundation
+import paddle_mobile
+
+class MetalHelper {
+  let device: MTLDevice
+  let queue: MTLCommandQueue
+  let textureLoader: MTKTextureLoader
+  static let shared: MetalHelper = MetalHelper.init()
+  private init(){
+    device = MTLCreateSystemDefaultDevice()!
+    queue = device.makeCommandQueue()!
+    textureLoader = MTKTextureLoader.init(device: device)
+  }
+  
+
+}
+

metal/paddle-mobile-demo/paddle-mobile-demo/Net/PaddleMobile.swift

+//
+//  PaddleMobile.swift
+//  paddle-mobile-demo
+//
+//  Created by liuRuiLong on 2018/9/5.
+//  Copyright © 2018年 orange. All rights reserved.
+//
+
+import Foundation

metal/paddle-mobile-demo/paddle-mobile-demo/Net/PreProcessKernel.metal

+/* Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
+ 
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+ 
+ http://www.apache.org/licenses/LICENSE-2.0
+ 
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License. */
+
+#include <metal_stdlib>
+using namespace metal;
+
+
+kernel void mobilenet_preprocess(
+                       texture2d<float, access::read> inTexture [[texture(0)]],
+                       texture2d<float, access::write> outTexture [[texture(1)]],
+                       uint2 gid [[thread_position_in_grid]])
+{
+    if (gid.x >= outTexture.get_width() ||
+        gid.y >= outTexture.get_height()) {
+        return;
+    }
+    const auto means = float4(123.68f, 116.78f, 103.94f, 0.0f);
+    const float4 inColor = (inTexture.read(gid) * 255.0 - means) * 0.017;
+    outTexture.write(float4(inColor.z, inColor.y, inColor.x, 0.0f), gid);
+}
+
+kernel void mobilenet_preprocess_half(
+                       texture2d<half, access::read> inTexture [[texture(0)]],
+                       texture2d<half, access::write> outTexture [[texture(1)]],
+                       uint2 gid [[thread_position_in_grid]])
+{
+    if (gid.x >= outTexture.get_width() ||
+        gid.y >= outTexture.get_height()) {
+        return;
+    }
+    const auto means = half4(123.68f, 116.78f, 103.94f, 0.0f);
+    const half4 inColor = (inTexture.read(gid) * 255.0 - means) * 0.017;
+    outTexture.write(half4(inColor.z, inColor.y, inColor.x, 0.0f), gid);
+}
+
+kernel void mobilenet_ssd_preprocess(
+                       texture2d<float, access::read> inTexture [[texture(0)]],
+                       texture2d<float, access::write> outTexture [[texture(1)]],
+                       uint2 gid [[thread_position_in_grid]])
+{
+    if (gid.x >= outTexture.get_width() ||
+        gid.y >= outTexture.get_height()) {
+        return;
+    }
+    const auto means = float4(123.68f, 116.78f, 103.94f, 0.0f);
+    const float4 inColor = (inTexture.read(gid) * 255.0 - means) * 0.017;
+    outTexture.write(float4(inColor.z, inColor.y, inColor.x, 0.0f), gid);
+}
+
+kernel void mobilenet_ssd_preprocess_half(
+                            texture2d<half, access::read> inTexture [[texture(0)]],
+                            texture2d<half, access::write> outTexture [[texture(1)]],
+                            uint2 gid [[thread_position_in_grid]])
+{
+    if (gid.x >= outTexture.get_width() ||
+        gid.y >= outTexture.get_height()) {
+        return;
+    }
+    const auto means = half4(123.68f, 116.78f, 103.94f, 0.0f);
+    const half4 inColor = (inTexture.read(gid) * 255.0 - means) * 0.017;
+    outTexture.write(half4(inColor.z, inColor.y, inColor.x, 0.0f), gid);
+}
+
+kernel void genet_preprocess(texture2d<float, access::read> inTexture [[texture(0)]], texture2d<float, access::write> outTexture [[texture(1)]], uint2 gid [[thread_position_in_grid]])
+{
+  if (gid.x >= outTexture.get_width() ||
+      gid.y >= outTexture.get_height()) {
+    return;
+  }
+  const auto means = float4(128.0f, 128.0f, 128.0f, 0.0f);
+  const float4 inColor = (inTexture.read(gid) * 255.0 - means) * 0.017;
+  outTexture.write(float4(inColor.z, inColor.y, inColor.x, 0.0f), gid);
+}
+
+kernel void genet_preprocess_half(texture2d<half, access::read> inTexture [[texture(0)]], texture2d<half, access::write> outTexture [[texture(1)]], uint2 gid [[thread_position_in_grid]])
+{
+  if (gid.x >= outTexture.get_width() ||
+      gid.y >= outTexture.get_height()) {
+    return;
+  }
+  const auto means = half4(128.0f, 128.0f, 128.0f, 0.0f);
+  const half4 inColor = (inTexture.read(gid) * 255.0 - means) * 0.017;
+  outTexture.write(half4(inColor.z, inColor.y, inColor.x, 0.0f), gid);
+}
+
+kernel void mobilent_ar_preprocess(texture2d<float, access::read> inTexture [[texture(0)]], texture2d<float, access::write> outTexture [[texture(1)]], uint2 gid [[thread_position_in_grid]])
+{
+  if (gid.x >= outTexture.get_width() ||
+      gid.y >= outTexture.get_height()) {
+    return;
+  }
+  const auto means = float4(128.0f, 128.0f, 128.0f, 0.0f);
+  const float4 inColor = (inTexture.read(gid) * 255.0 - means) * 0.017;
+  outTexture.write(float4(inColor.z, inColor.y, inColor.x, 0.0f), gid);
+}
+
+kernel void mobilent_ar_preprocess_half(texture2d<half, access::read> inTexture [[texture(0)]], texture2d<half, access::write> outTexture [[texture(1)]], uint2 gid [[thread_position_in_grid]])
+{
+  if (gid.x >= outTexture.get_width() ||
+      gid.y >= outTexture.get_height()) {
+    return;
+  }
+  const auto means = half4(128.0f, 128.0f, 128.0f, 0.0f);
+  const half4 inColor = (inTexture.read(gid) * 255.0 - means) * 0.017;
+  outTexture.write(half4(inColor.z, inColor.y, inColor.x, 0.0f), gid);
+}
+
+kernel void scale(texture2d<float, access::sample> inTexture [[texture(0)]], texture2d<float, access::write> outTexture [[texture(1)]], uint2 gid [[thread_position_in_grid]]) {
+  if (gid.x >= outTexture.get_width() ||
+      gid.y >= outTexture.get_height()) return;
+  float w_stride = inTexture.get_width() / outTexture.get_width();
+  float h_stride = inTexture.get_height() / outTexture.get_height();
+  constexpr sampler sample(coord::pixel, filter::nearest, address::clamp_to_zero);
+  float4 input = inTexture.sample(sample, float2(gid.x * w_stride,    gid.y * h_stride), 0);
+  outTexture.write(input, gid);
+}
+
+kernel void scale_half(texture2d<float, access::sample> inTexture [[texture(0)]], texture2d<half, access::write> outTexture [[texture(1)]], uint2 gid [[thread_position_in_grid]]) {
+  if (gid.x >= outTexture.get_width() ||
+      gid.y >= outTexture.get_height()) return;
+  float w_stride = inTexture.get_width() / outTexture.get_width();
+  float h_stride = inTexture.get_height() / outTexture.get_height();
+  constexpr sampler sample(coord::pixel, filter::nearest, address::clamp_to_zero);
+  float4 input = inTexture.sample(sample, float2(gid.x * w_stride,    gid.y * h_stride), 0);
+  outTexture.write(half4(input), gid);
+}

metal/paddle-mobile-demo/paddle-mobile-demo/PreProcessKernel.metal

-//
-//  PreProcessKernel.metal
-//  paddle-mobile-demo
-//
-//  Created by liuRuiLong on 2018/7/20.
-//  Copyright © 2018年 orange. All rights reserved.
-//
-
-#include <metal_stdlib>
-using namespace metal;
-
-
-kernel void preprocess(
-                       texture2d<float, access::read> inTexture [[texture(0)]],
-                       texture2d<float, access::write> outTexture [[texture(1)]],
-                       uint2 gid [[thread_position_in_grid]])
-{
-    if (gid.x >= outTexture.get_width() ||
-        gid.y >= outTexture.get_height()) {
-        return;
-    }
-    const auto means = float4(123.68f, 116.78f, 103.94f, 0.0f);
-    const float4 inColor = (inTexture.read(gid) * 255.0 - means) * 0.017;
-    outTexture.write(float4(inColor.z, inColor.y, inColor.x, 0.0f), gid);
-}
-
-kernel void preprocess_half(
-                       texture2d<half, access::read> inTexture [[texture(0)]],
-                       texture2d<half, access::write> outTexture [[texture(1)]],
-                       uint2 gid [[thread_position_in_grid]])
-{
-    if (gid.x >= outTexture.get_width() ||
-        gid.y >= outTexture.get_height()) {
-        return;
-    }
-    const auto means = half4(123.68f, 116.78f, 103.94f, 0.0f);
-    const half4 inColor = (inTexture.read(gid) * 255.0 - means) * 0.017;
-    outTexture.write(half4(inColor.z, inColor.y, inColor.x, 0.0f), gid);
-}
-
-
-
-
-

metal/paddle-mobile-demo/paddle-mobile-demo/VideoCapture/FPSCounter.swift

+
+
+import Foundation
+import QuartzCore
+
+public class FPSCounter {
+  private(set) public var fps: Double = 0
+
+  var frames = 0
+  var startTime: CFTimeInterval = 0
+
+  public func start() {
+    frames = 0
+    startTime = CACurrentMediaTime()
+  }
+
+  public func frameCompleted() {
+    frames += 1
+    let now = CACurrentMediaTime()
+    let elapsed = now - startTime
+    if elapsed > 0.1 {
+      let current = Double(frames) / elapsed
+      let smoothing = 0.75
+      fps = smoothing*fps + (1 - smoothing)*current
+      if elapsed > 1 {
+        frames = 0
+        startTime = CACurrentMediaTime()
+      }
+    }
+  }
+}

metal/paddle-mobile-demo/paddle-mobile-demo/VideoCapture/VideoCapture.swift

+
+import UIKit
+import Metal
+import CoreVideo
+import AVFoundation
+
+@available(iOS 10.0, *)
+@objc public protocol VideoCaptureDelegate: NSObjectProtocol {
+  @objc optional func videoCapture(_ capture: VideoCapture, didCaptureSampleBuffer sampleBuffer: CMSampleBuffer, timestamp: CMTime)
+    @objc optional func videoCapture(_ capture: VideoCapture, didCaptureVideoTexture texture: MTLTexture?, timestamp: CMTime)
+    @objc optional func videoCapture(_ capture: VideoCapture, didCapturePhoto previewImage: UIImage?)
+    @objc optional func videoCapture(_ capture: VideoCapture, didCapturePhotoTexture texture: MTLTexture?)
+}
+
+/**
+  Simple interface to the iPhone's camera.
+*/
+@available(iOS 10.0, *)
+public class VideoCapture: NSObject {
+    public var previewLayer: AVCaptureVideoPreviewLayer?
+    public weak var delegate: VideoCaptureDelegate?
+    public var fps = -1
+    private let device: MTLDevice?
+    private let videoOrientation: AVCaptureVideoOrientation
+    private var textureCache: CVMetalTextureCache?
+    private let captureSession = AVCaptureSession()
+    private let videoOutput = AVCaptureVideoDataOutput()
+    private let photoOutput = AVCapturePhotoOutput()
+    private let queue = DispatchQueue(label: "net.machinethink.camera-queue")
+    private var lastTimestamp = CMTime()
+    private let cameraPosition: AVCaptureDevice.Position
+    public init(device: MTLDevice? = nil, orientation: AVCaptureVideoOrientation = .portrait, position: AVCaptureDevice.Position = .back) {
+        self.device = device
+        self.videoOrientation = orientation
+        self.cameraPosition = position
+        super.init()
+    }
+
+    public func setUp(sessionPreset: AVCaptureSession.Preset = .medium,
+                    completion: @escaping (Bool) -> Void) {
+        queue.async {
+            let success = self.setUpCamera(sessionPreset: sessionPreset)
+            DispatchQueue.main.async {
+                completion(success)
+            }
+        }
+    }
+
+    func fontCamera() -> AVCaptureDevice? {
+        let deveices = AVCaptureDevice.DiscoverySession.init(deviceTypes: [.builtInWideAngleCamera], mediaType: AVMediaType.video, position: .front).devices
+        return deveices.first
+        
+    }
+    
+    func setUpCamera(sessionPreset: AVCaptureSession.Preset) -> Bool {
+        if let inDevice = device{
+            guard CVMetalTextureCacheCreate(kCFAllocatorDefault, nil, inDevice, nil, &textureCache) == kCVReturnSuccess else {
+                print("Error: could not create a texture cache")
+                return false
+            }
+        }
+        
+        captureSession.beginConfiguration()
+        captureSession.sessionPreset = sessionPreset
+
+        var oCaptureDevice: AVCaptureDevice?
+        switch cameraPosition {
+        case .back:
+            oCaptureDevice = AVCaptureDevice.default(for: AVMediaType.video)
+            break
+        case .front:
+            oCaptureDevice = fontCamera()
+            break
+        default:
+            break
+        }
+        
+        guard let captureDevice = oCaptureDevice else {
+            print("Error: no video devices available")
+            return false
+        }
+
+        guard let videoInput = try? AVCaptureDeviceInput(device: captureDevice) else {
+            print("Error: could not create AVCaptureDeviceInput")
+            return false
+        }
+
+        if captureSession.canAddInput(videoInput) {
+            captureSession.addInput(videoInput)
+        }
+
+        let previewLayer = AVCaptureVideoPreviewLayer(session: captureSession)
+        previewLayer.videoGravity = AVLayerVideoGravity.resizeAspect
+        previewLayer.connection?.videoOrientation = self.videoOrientation
+        self.previewLayer = previewLayer
+
+        let settings: [String : Any] = [
+        kCVPixelBufferPixelFormatTypeKey as String: NSNumber(value: kCVPixelFormatType_32BGRA)
+        ]
+
+        videoOutput.videoSettings = settings
+        videoOutput.alwaysDiscardsLateVideoFrames = true
+        videoOutput.setSampleBufferDelegate(self, queue: queue)
+        if captureSession.canAddOutput(videoOutput) {
+            captureSession.addOutput(videoOutput)
+        }
+
+        // We want the buffers to be in portrait orientation otherwise they are
+        // rotated by 90 degrees. Need to set this _after_ addOutput()!
+        videoOutput.connection(with: AVMediaType.video)?.videoOrientation = self.videoOrientation
+
+        if captureSession.canAddOutput(photoOutput) {
+            captureSession.addOutput(photoOutput)
+        }
+
+        captureSession.commitConfiguration()
+        return true
+    }
+
+    public func start() {
+        if !captureSession.isRunning {
+            captureSession.startRunning()
+        }
+    }
+
+    public func stop() {
+        if captureSession.isRunning {
+            captureSession.stopRunning()
+        }
+    }
+
+    /* Captures a single frame of the camera input. */
+    public func capturePhoto() {
+        let settings = AVCapturePhotoSettings(format: [kCVPixelBufferPixelFormatTypeKey as String: NSNumber(value: kCVPixelFormatType_32BGRA)])
+        settings.previewPhotoFormat = [
+            kCVPixelBufferPixelFormatTypeKey as String: settings.__availablePreviewPhotoPixelFormatTypes[0],
+            kCVPixelBufferWidthKey as String: 480,
+            kCVPixelBufferHeightKey as String: 360,
+        ]
+        photoOutput.capturePhoto(with: settings, delegate: self)
+    }
+
+    func convertToMTLTexture(sampleBuffer: CMSampleBuffer?) -> MTLTexture? {
+        if let textureCache = textureCache, let sampleBuffer = sampleBuffer, let imageBuffer = CMSampleBufferGetImageBuffer(sampleBuffer) {
+            let width = CVPixelBufferGetWidth(imageBuffer)
+            let height = CVPixelBufferGetHeight(imageBuffer)
+            var texture: CVMetalTexture?
+            CVMetalTextureCacheCreateTextureFromImage(kCFAllocatorDefault, textureCache, imageBuffer, nil, .bgra8Unorm, width, height, 0, &texture)
+            if let texture = texture {
+                return CVMetalTextureGetTexture(texture)
+            }
+        }
+        return nil
+    }
+
+    func convertToUIImage(sampleBuffer: CMSampleBuffer?) -> UIImage? {
+        if let sampleBuffer = sampleBuffer,
+            let imageBuffer = CMSampleBufferGetImageBuffer(sampleBuffer) {
+            let width = CVPixelBufferGetWidth(imageBuffer)
+            let height = CVPixelBufferGetHeight(imageBuffer)
+            let rect = CGRect(x: 0, y: 0, width: CGFloat(width), height: CGFloat(height))
+            let ciImage = CIImage(cvPixelBuffer: imageBuffer)
+            let ciContext = CIContext(options: nil)
+            if let cgImage = ciContext.createCGImage(ciImage, from: rect) {
+                return UIImage(cgImage: cgImage)
+            }
+        }
+        return nil
+    }
+}
+
+
+@available(iOS 10.0, *)
+extension VideoCapture: AVCaptureVideoDataOutputSampleBufferDelegate {
+  public func captureOutput(_ output: AVCaptureOutput, didOutput sampleBuffer: CMSampleBuffer, from connection: AVCaptureConnection) {
+    // Because lowering the capture device's FPS looks ugly in the preview,
+    // we capture at full speed but only call the delegate at its desired
+    // framerate. If `fps` is -1, we run at the full framerate.
+    let timestamp = CMSampleBufferGetPresentationTimeStamp(sampleBuffer)
+    let deltaTime = timestamp - lastTimestamp
+    if fps == -1 || deltaTime >= CMTimeMake(1, Int32(fps)) {
+        lastTimestamp = timestamp
+        self.delegate?.videoCapture?(self, didCaptureSampleBuffer: sampleBuffer, timestamp: timestamp)
+        if self.delegate?.responds(to: #selector(VideoCaptureDelegate.videoCapture(_:didCaptureVideoTexture:timestamp:))) ?? false{
+            let texture = convertToMTLTexture(sampleBuffer: sampleBuffer)
+            delegate?.videoCapture?(self, didCaptureVideoTexture: texture, timestamp: timestamp)
+        }
+    }
+  }
+
+  public func captureOutput(_ output: AVCaptureOutput, didDrop sampleBuffer: CMSampleBuffer, from connection: AVCaptureConnection) {
+    print("dropped frame")
+  }
+}
+
+@available(iOS 10.0, *)
+extension VideoCapture: AVCapturePhotoCaptureDelegate {
+  public func photoOutput(_ captureOutput: AVCapturePhotoOutput,
+                          didFinishProcessingPhoto photoSampleBuffer: CMSampleBuffer?,
+                          previewPhoto previewPhotoSampleBuffer: CMSampleBuffer?,
+                          resolvedSettings: AVCaptureResolvedPhotoSettings,
+                          bracketSettings: AVCaptureBracketedStillImageSettings?,
+                          error: Error?) {
+    var imageTexture: MTLTexture?
+    var previewImage: UIImage?
+    if error == nil {
+        if self.delegate?.responds(to: #selector(VideoCaptureDelegate.videoCapture(_:didCapturePhotoTexture:))) ?? false{
+            imageTexture = convertToMTLTexture(sampleBuffer: photoSampleBuffer)
+            self.delegate?.videoCapture?(self, didCapturePhotoTexture: imageTexture)
+        }
+        
+        if self.delegate?.responds(to: #selector(VideoCaptureDelegate.videoCapture(_:didCapturePhoto:))) ?? false{
+            previewImage = convertToUIImage(sampleBuffer: previewPhotoSampleBuffer)
+            self.delegate?.videoCapture?(self, didCapturePhoto: previewImage)
+        }
+    }
+  }
+}

metal/paddle-mobile-demo/paddle-mobile-demo/ViewController.swift

@@ -14,164 +14,292 @@
 
 import UIKit
 import MetalKit
+import CoreMedia
 import paddle_mobile
 import MetalPerformanceShaders
 
-let threadSupport = [1]
+var platform: Platform = .GPU
+let threadSupport: [(Platform, String)] = [(.GPU, "GPU"), (.CPU, "CPU")]
+
+//.mobilenet_ssd : Runner.init(inNet: MobileNet_ssd_hand.init(device: MetalHelper.shared.device), commandQueue: MetalHelper.shared.queue, inPlatform: platform),
+let modelHelperMap: [SupportModel : Runner] = [
+                                               .genet : Runner.init(inNet: Genet.init(device: MetalHelper.shared.device), commandQueue: MetalHelper.shared.queue, inPlatform: platform),
+                                               .mobilenet_ssd_ar : Runner.init(inNet: MobileNet_ssd_AR.init(device: MetalHelper.shared.device), commandQueue: MetalHelper.shared.queue, inPlatform: platform)]
+//, .genet : Genet.init()
+//let modelHelperMap: [SupportModel : Net] = [.mobilenet : MobileNet.init(), .mobilenet_ssd : MobileNet_ssd_hand.init()]
+
+let netSupport: [SupportModel : Net] = [.genet : Genet.init(device: MetalHelper.shared.device), .mobilenet_ssd_ar : MobileNet_ssd_AR.init(device: MetalHelper.shared.device)]
+
+enum SupportModel: String{
+  //  case mobilenet = "mobilenet"
+//  case mobilenet_ssd    = "mobilenetssd"
+  case genet            = "genet"
+  case mobilenet_ssd_ar = "mobilenetssd_ar"
+  
+  static func supportedModels() -> [SupportModel] {
+    // .mobilenet,
+    // .mobilenet_ssd,
+    return [.genet, .mobilenet_ssd_ar]
+  }
+}
 
 class ViewController: UIViewController {
-    @IBOutlet weak var resultTextView: UITextView!
-    @IBOutlet weak var selectImageView: UIImageView!
-    @IBOutlet weak var elapsedTimeLabel: UILabel!
-    @IBOutlet weak var modelPickerView: UIPickerView!
-    @IBOutlet weak var threadPickerView: UIPickerView!
-    var selectImage: UIImage?
-    var program: Program?
-    var executor: Executor<Float32>?
-    var modelType: SupportModel = .mobilenet
-    var toPredictTexture: MTLTexture?
-    var modelHelper: ModelHelper {
-        return modelHelperMap[modelType] ?! " has no this type "
-    }
-    var threadNum = 1
+  @IBOutlet weak var resultTextView: UITextView!
+  @IBOutlet weak var selectImageView: UIImageView!
+  @IBOutlet weak var elapsedTimeLabel: UILabel!
+  @IBOutlet weak var modelPickerView: UIPickerView!
+  @IBOutlet weak var threadPickerView: UIPickerView!
+  @IBOutlet weak var videoView: UIView!
+//  var videoCapture: VideoCapture!
+
+  var selectImage: UIImage?
+  var inputPointer: UnsafeMutablePointer<Float32>?
+  var modelType: SupportModel = SupportModel.supportedModels()[0]
+  var toPredictTexture: MTLTexture?
+  
+  var runner: Runner!
+  
+  var threadNum = 1
+  
+  @IBAction func loadAct(_ sender: Any) {
+     runner = Runner.init(inNet: netSupport[modelType]!, commandQueue: MetalHelper.shared.queue, inPlatform: platform)
     
-    @IBAction func loadAct(_ sender: Any) {
-        let inModelHelper = modelHelper
-        let queue = MetalHelper.shared.queue
-        let loader = Loader<Float32>.init()
-        do {
-            let modelPath = inModelHelper.modelPath
-            let paraPath = inModelHelper.paramPath
-            
-            program = try loader.load(device: MetalHelper.shared.device, modelPath: modelPath, paraPath: paraPath)
-            executor = try Executor<Float32>.init(inDevice: MetalHelper.shared.device, inQueue: queue, inProgram: program!)
-        } catch let error {
-            print(error)
+    if platform == .CPU {
+      if inputPointer == nil {
+        inputPointer = runner.preproccess(image: selectImage!.cgImage!)
+       
+      }
+    } else if platform == .GPU {
+      if self.toPredictTexture == nil {
+        runner.getTexture(image: selectImage!.cgImage!) {[weak self] (texture) in
+          self?.toPredictTexture = texture
         }
+      }
+    } else {
+      fatalError( " unsupport " )
     }
     
-    @IBAction func selectImageAct(_ sender: Any) {
-        let imagePicker = UIImagePickerController()
-        imagePicker.sourceType = .camera
-        imagePicker.delegate = self
-        self.present(imagePicker, animated: true, completion: nil)
-    }
-    
-    @IBAction func clearAct(_ sender: Any) {
-        executor?.clear()
-        program = nil
-        executor = nil
-        
+    if runner.load() {
+      print(" load success ! ")
+    } else {
+      print(" load error ! ")
     }
-    
-    @IBAction func predictAct(_ sender: Any) {        
-        guard let inTexture = toPredictTexture else {
-            resultTextView.text = "请选择图片 ! "
-            return
+  }
+  
+  @IBAction func selectImageAct(_ sender: Any) {
+    let imagePicker = UIImagePickerController()
+    imagePicker.sourceType = .camera
+    imagePicker.delegate = self
+    self.present(imagePicker, animated: true, completion: nil)
+  }
+  
+  @IBAction func clearAct(_ sender: Any) {
+    runner.clear()
+  }
+  
+  @IBAction func predictAct(_ sender: Any) {
+    let max = 50
+    switch platform {
+    case .GPU:
+      guard let inTexture = toPredictTexture else {
+        resultTextView.text = "请选择图片 ! "
+        return
+      }
+      
+      for _ in 0..<10{
+        runner.predict(texture: inTexture) { (success, resultHolder)  in
+          resultHolder?.releasePointer()
+        }
+      }
+      
+      let startDate = Date.init()
+      for i in 0..<max {
+        runner.predict(texture: inTexture) { [weak self] (success, resultHolder)  in
+          guard let sSelf = self else {
+            fatalError()
+          }
+          if success {
+            if i == max - 1 {
+              let time = Date.init().timeIntervalSince(startDate)
+              DispatchQueue.main.async {
+//                print(resultHolder!.result![0])
+                sSelf.resultTextView.text = sSelf.runner.net.resultStr(res: resultHolder!)
+                
+                sSelf.elapsedTimeLabel.text = "平均耗时: \(time/Double(max) * 1000.0) ms"
+               
+              }
+            }
+          }
+          
+          DispatchQueue.main.async {
+            resultHolder?.releasePointer()
+          }
+//            print("释放")
         }
-        
-        guard let inExecutor = executor else {
-            resultTextView.text = "请先 load ! "
-            return
+//        print("sleep before ")
+//        usleep(33000)
+//        print("sleep after ")
+      }
+    case .CPU:
+      guard let inInputPointer = inputPointer else {
+        fatalError( " need input pointer " )
+      }
+      
+      for _ in 0..<10 {
+        runner.predict(inputPointer: inInputPointer) { (success, res) in
+          res?.releaseOutput()
         }
-
-        do {
-            let max = 100
-            var startDate = Date.init()
-            for i in 0..<max {
-                try inExecutor.predict(input: inTexture, expect: modelHelper.dim, completionHandle: { [weak self] (result) in
-                    guard let sSelf = self else {
-                        fatalError()
-                    }
-                    
-                    if i == (max / 2 - 1) {
-                        startDate = Date.init()
-                    }
-                    
-                    if i == max - 1 {
-                        let time = Date.init().timeIntervalSince(startDate)
-                        DispatchQueue.main.async {
-                            sSelf.resultTextView.text = sSelf.modelHelper.resultStr(res: result.resultArr)
-                            sSelf.elapsedTimeLabel.text = "平均耗时: \(time/Double(max/2) * 1000.0) ms"
-                        }
-                    }
-                }, preProcessKernle: self.modelHelper.preprocessKernel)
+      }
+      
+      let startDate = Date.init()
+      for i in 0..<max {
+        runner.predict(inputPointer: inInputPointer) { [weak self](success, res) in
+          guard let sSelf = self else {
+            fatalError()
+          }
+          if success {
+            if i == max - 1 {
+              let time = Date.init().timeIntervalSince(startDate)
+              DispatchQueue.main.async {
+//                sSelf.resultTextView.text = sSelf.runner.net.resultStr(res: res)
+                sSelf.elapsedTimeLabel.text = "平均耗时: \(time/Double(max) * 1000.0) ms"
+              }
             }
-        } catch let error {
-            print(error)
+          }
+          res?.releaseOutput()
         }
+      }
     }
+  }
+  
+  override func viewDidLoad() {
+    super.viewDidLoad()
+    
+//    if runner.load() {
+//      print(" load success ! ")
+//    } else {
+//      print(" load error ! ")
+//    }
+//    
+    modelPickerView.delegate = self
+    modelPickerView.dataSource = self
+    threadPickerView.delegate = self
+    threadPickerView.dataSource = self
+    
+    selectImage = UIImage.init(named: "hand.jpg")
+    selectImageView.image = selectImage
+    
+//    if platform == .CPU {
+//      inputPointer = runner.preproccess(image: selectImage!.cgImage!)
+//    } else if platform == .GPU {
+//      runner.getTexture(image: selectImage!.cgImage!) {[weak self] (texture) in
+//        self?.toPredictTexture = texture
+//      }
+//    } else {
+//      fatalError( " unsupport " )
+//    }
+    
+//    videoCapture = VideoCapture.init(device: MetalHelper.shared.device, orientation: .portrait, position: .back)
+//    videoCapture.fps = 30
+//    videoCapture.delegate = self
+//    videoCapture.setUp { (success) in
+//      DispatchQueue.main.async {
+//        if let preViewLayer = self.videoCapture.previewLayer {
+//          self.videoView.layer.addSublayer(preViewLayer)
+//          self.videoCapture.previewLayer?.frame = self.videoView.bounds
+//        }
+//        self.videoCapture.start()
+//      }
+//    }
 
-    override func viewDidLoad() {
-        super.viewDidLoad()
-        modelPickerView.delegate = self
-        modelPickerView.dataSource = self
-        threadPickerView.delegate = self
-        threadPickerView.dataSource = self
-        
-        selectImage = UIImage.init(named: "banana.jpeg")
-        selectImageView.image = selectImage
-        modelHelper.getTexture(image: selectImage!.cgImage!) {[weak self] (texture) in
-            self?.toPredictTexture = texture
-        }
-    }
+  }
 }
 
 extension ViewController: UIPickerViewDataSource, UIPickerViewDelegate{
-    func numberOfComponents(in pickerView: UIPickerView) -> Int {
-        if pickerView == modelPickerView {
-            return 1
-        } else if pickerView == threadPickerView {
-            return 1
-        } else {
-            fatalError()
-        }
+  func numberOfComponents(in pickerView: UIPickerView) -> Int {
+    if pickerView == modelPickerView {
+      return 1
+    } else if pickerView == threadPickerView {
+      return 1
+    } else {
+      fatalError()
     }
-    
-    func pickerView(_ pickerView: UIPickerView, numberOfRowsInComponent component: Int) -> Int {
-        if pickerView == modelPickerView {
-            return SupportModel.supportedModels().count
-        } else if pickerView == threadPickerView {
-            return threadSupport.count
-        } else {
-            fatalError()
-        }
+  }
+  
+  func pickerView(_ pickerView: UIPickerView, numberOfRowsInComponent component: Int) -> Int {
+    if pickerView == modelPickerView {
+      return SupportModel.supportedModels().count
+    } else if pickerView == threadPickerView {
+      return threadSupport.count
+    } else {
+      fatalError()
     }
-    
-    public func pickerView(_ pickerView: UIPickerView, titleForRow row: Int, forComponent component: Int) -> String? {
-        if pickerView == modelPickerView {
-            return SupportModel.supportedModels()[row].rawValue
-        } else if pickerView == threadPickerView {
-            return "\(threadSupport[row])"
-        } else {
-            fatalError()
-        }
+  }
+  
+  public func pickerView(_ pickerView: UIPickerView, titleForRow row: Int, forComponent component: Int) -> String? {
+    if pickerView == modelPickerView {
+      return SupportModel.supportedModels()[row].rawValue
+    } else if pickerView == threadPickerView {
+      return threadSupport[row].1
+    } else {
+      fatalError()
     }
-    
-    public func pickerView(_ pickerView: UIPickerView, didSelectRow row: Int, inComponent component: Int) {
-        if pickerView == modelPickerView {
-            self.modelType = SupportModel.supportedModels()[row]
-        } else if pickerView == threadPickerView {
-            self.threadNum = threadSupport[row]
-        } else {
-            fatalError()
-        }
+  }
+  
+  public func pickerView(_ pickerView: UIPickerView, didSelectRow row: Int, inComponent component: Int) {
+    if pickerView == modelPickerView {
+      self.modelType = SupportModel.supportedModels()[row]
+    } else if pickerView == threadPickerView {
+      
+      platform = threadSupport[row].0
+    } else {
+      fatalError()
     }
+  }
 }
 
 extension ViewController:  UIImagePickerControllerDelegate, UINavigationControllerDelegate {
-    func imagePickerController(_ picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [String : Any]) {
-        picker.dismiss(animated: true){[weak self] in
-            guard let sSelf = self, let image =  info["UIImagePickerControllerOriginalImage"] as? UIImage else{
-                fatalError("no image")
-            }
-            sSelf.selectImage = image
-            sSelf.selectImageView.image = image
-            sSelf.modelHelper.getTexture(image: image.cgImage!, getTexture: { (texture) in
-                sSelf.toPredictTexture = texture
-            })
-        }
+  func imagePickerController(_ picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [String : Any]) {
+    picker.dismiss(animated: true){[weak self] in
+      guard let sSelf = self, let image =  info["UIImagePickerControllerOriginalImage"] as? UIImage else{
+        fatalError("no image")
+      }
+      sSelf.selectImage = image
+      sSelf.selectImageView.image = image
+      sSelf.runner.getTexture(image: image.cgImage!, getTexture: { (texture) in
+        sSelf.toPredictTexture = texture
+      })
     }
+  }
 }
 
+var bool1 = false
+extension ViewController: VideoCaptureDelegate{
+  func predictTexture(texture: MTLTexture){
+    runner.scaleTexture(input: texture) { (scaledTexture) in
+      self.runner.predict(texture: scaledTexture, completion: { (success, resultHolder) in
+//        print(resultHolder!.result![0])
+        resultHolder?.releasePointer()
+      })
+    }
+  }
+  
+  
+//  @available(iOS 10.0, *)
+//  func videoCapture(_ capture: VideoCapture, didCaptureVideoTexture texture: MTLTexture?, timestamp: CMTime) {
+////    if !bool1 {
+////      DispatchQueue.main.asyncAfter(deadline: DispatchTime.init(uptimeNanoseconds: 500000000)) {
+//    self.predictTexture(texture: texture!)
+////      }
+//
+//
+////      bool1 = true
+////    }
+//
+//  }
+
+}
+
+
+
 

metal/paddle-mobile-demo/paddle-mobile-demo/paddle-mobile-demo-Bridging-Header.h

+//
+//  Use this file to import your target's public headers that you would like to expose to Swift.
+//
+
+#import <paddle_mobile/paddle_mobile.h>

metal/paddle-mobile-unit-test/paddle-mobile-unit-test.xcodeproj/xcuserdata/liuruilong.xcuserdatad/xcschemes/xcschememanagement.plist

-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-	<key>SchemeUserState</key>
-	<dict>
-		<key>paddle-mobile-unit-test.xcscheme</key>
-		<dict>
-			<key>orderHint</key>
-			<integer>6</integer>
-		</dict>
-	</dict>
-</dict>
-</plist>

metal/paddle-mobile-unit-test/paddle-mobile-unit-test/AppDelegate.swift

-//
-//  AppDelegate.swift
-//  paddle-mobile-unit-test
-//
-//  Created by liuRuiLong on 2018/8/10.
-//  Copyright © 2018年 orange. All rights reserved.
-//
+/* Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License. */
 
 import UIKit
 

metal/paddle-mobile-unit-test/paddle-mobile-unit-test/ViewController.swift

-//
-//  ViewController.swift
-//  paddle-mobile-unit-test
-//
-//  Created by liuRuiLong on 2018/8/10.
-//  Copyright © 2018年 orange. All rights reserved.
-//
+/* Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License. */
 
 import UIKit
+import Metal
+//import MetalKit
 import paddle_mobile
 
 class ViewController: UIViewController {
-
     override func viewDidLoad() {
         super.viewDidLoad()
+        let device = Metal.MTLCreateSystemDefaultDevice()!
+        let queue = device.makeCommandQueue()!
+        let test = PaddleMobileUnitTest.init(
+            inDevice: device,
+            inQueue: queue
+        )
+        test.testConcat()
+//        test.testReshape()
+//        test.testTranspose()
         print(" done ")
     }
 

metal/paddle-mobile/paddle-mobile.xcodeproj/xcuserdata/liuruilong.xcuserdatad/xcschemes/paddle-mobile.xcscheme

-<?xml version="1.0" encoding="UTF-8"?>
-<Scheme
-   LastUpgradeVersion = "0940"
-   version = "1.3">
-   <BuildAction
-      parallelizeBuildables = "YES"
-      buildImplicitDependencies = "YES">
-      <BuildActionEntries>
-         <BuildActionEntry
-            buildForTesting = "YES"
-            buildForRunning = "YES"
-            buildForProfiling = "YES"
-            buildForArchiving = "YES"
-            buildForAnalyzing = "YES">
-            <BuildableReference
-               BuildableIdentifier = "primary"
-               BlueprintIdentifier = "FC039B6920E11C3C0081E9F8"
-               BuildableName = "paddle_mobile.framework"
-               BlueprintName = "paddle-mobile"
-               ReferencedContainer = "container:paddle-mobile.xcodeproj">
-            </BuildableReference>
-         </BuildActionEntry>
-      </BuildActionEntries>
-   </BuildAction>
-   <TestAction
-      buildConfiguration = "Debug"
-      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
-      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      shouldUseLaunchSchemeArgsEnv = "YES">
-      <Testables>
-      </Testables>
-      <AdditionalOptions>
-      </AdditionalOptions>
-   </TestAction>
-   <LaunchAction
-      buildConfiguration = "Debug"
-      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
-      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      launchStyle = "0"
-      useCustomWorkingDirectory = "NO"
-      ignoresPersistentStateOnLaunch = "NO"
-      debugDocumentVersioning = "YES"
-      debugServiceExtension = "internal"
-      allowLocationSimulation = "YES">
-      <MacroExpansion>
-         <BuildableReference
-            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "FC039B6920E11C3C0081E9F8"
-            BuildableName = "paddle_mobile.framework"
-            BlueprintName = "paddle-mobile"
-            ReferencedContainer = "container:paddle-mobile.xcodeproj">
-         </BuildableReference>
-      </MacroExpansion>
-      <AdditionalOptions>
-      </AdditionalOptions>
-   </LaunchAction>
-   <ProfileAction
-      buildConfiguration = "Release"
-      shouldUseLaunchSchemeArgsEnv = "YES"
-      savedToolIdentifier = ""
-      useCustomWorkingDirectory = "NO"
-      debugDocumentVersioning = "YES">
-      <MacroExpansion>
-         <BuildableReference
-            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "FC039B6920E11C3C0081E9F8"
-            BuildableName = "paddle_mobile.framework"
-            BlueprintName = "paddle-mobile"
-            ReferencedContainer = "container:paddle-mobile.xcodeproj">
-         </BuildableReference>
-      </MacroExpansion>
-   </ProfileAction>
-   <AnalyzeAction
-      buildConfiguration = "Debug">
-   </AnalyzeAction>
-   <ArchiveAction
-      buildConfiguration = "Release"
-      revealArchiveInOrganizer = "YES">
-   </ArchiveAction>
-</Scheme>

metal/paddle-mobile/paddle-mobile.xcodeproj/xcuserdata/liuruilong.xcuserdatad/xcschemes/xcschememanagement.plist

-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-	<key>SchemeUserState</key>
-	<dict>
-		<key>paddle-mobile.xcscheme</key>
-		<dict>
-			<key>orderHint</key>
-			<integer>0</integer>
-		</dict>
-	</dict>
-	<key>SuppressBuildableAutocreation</key>
-	<dict>
-		<key>FC039B6920E11C3C0081E9F8</key>
-		<dict>
-			<key>primary</key>
-			<true/>
-		</dict>
-	</dict>
-</dict>
-</plist>

metal/paddle-mobile/paddle-mobile/CPU/PaddleMobileCPU.h

+/* Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License. */
+
+#pragma once
+
+#import <CoreImage/CoreImage.h>
+#import <Foundation/Foundation.h>
+
+@interface PaddleMobileCPUResult: NSObject
+
+@property (assign, nonatomic, readonly) float *output;
+
+@property (assign, nonatomic, readonly) int outputSize;
+
+-(void)releaseOutput;
+
+@end
+
+@interface PaddleMobileCPU : NSObject
+
+/*
+    创建对象
+*/
+- (instancetype)init;
+
+/*
+    load 模型, 开辟内存
+*/
+- (BOOL)load:(NSString *)modelPath andWeightsPath:(NSString *)weighsPath;
+
+/*
+  加载散开形式的模型, 需传入模型的目录
+*/
+- (BOOL)load:(NSString *)modelAndWeightPath;
+
+/*
+ * 从内存中加载模型
+ * */
+- (BOOL)LoadCombinedMemory:(size_t)modelLen
+               andModelBuf:(const uint8_t *)modelBuf
+         andModelParamsLen:(size_t)combinedParamsLen
+      andCombinedParamsBuf:(const uint8_t *)combinedParamsBuf;
+
+/*
+ *  对图像进行预处理, 需要外部开辟 output 内存, 外部释放 output 内存
+ * */
+-(void)preprocess:(CGImageRef)image
+           output:(float *)output
+            means:(NSArray<NSNumber *> *)means
+        scale:(float)scale
+        dim:(NSArray<NSNumber *> *)dim;
+
+/*
+ * 预测预处理后的数据, 返回结果使用结束需要调用其 realseOutput 函数进行释放
+ * */
+- (PaddleMobileCPUResult *)predictInput:(float *)input
+                                    dim:(NSArray<NSNumber *> *)dim;
+
+/*
+    进行预测, means 和 scale 为训练模型时的预处理参数, 如训练时没有做这些预处理则直接使用 predict
+*/
+- (NSArray *)predict:(CGImageRef)image dim:(NSArray<NSNumber *> *)dim means:(NSArray<NSNumber *> *)means scale:(float)scale;
+
+/*
+    进行预测, 默认 means 为 0, scale 为 1.0
+*/
+- (NSArray *)predict:(CGImageRef)image dim:(NSArray<NSNumber *> *)dim;
+
+/*
+    清理内存
+*/
+- (void)clear;
+
+@end

metal/paddle-mobile/paddle-mobile/CPUCompute.h

+/* Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
+ 
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+ 
+ http://www.apache.org/licenses/LICENSE-2.0
+ 
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License. */
+
+#pragma once
+
+#import <Foundation/Foundation.h>
+
+
+@interface CPUResult: NSObject
+@property (assign, nonatomic) float *output;
+@property (assign, nonatomic) int outputSize;
+@end
+
+@interface NMSCompute: NSObject
+
+@property (assign, nonatomic) float scoreThredshold;
+
+@property (assign, nonatomic) int nmsTopK;
+
+@property (assign, nonatomic) int keepTopK;
+
+@property (assign, nonatomic) float nmsEta;
+
+@property (assign, nonatomic) float nmsThreshold;
+
+@property (assign, nonatomic) int background_label;
+
+@property (strong, nonatomic) NSArray<NSNumber *> *scoreDim;
+
+@property (strong, nonatomic) NSArray<NSNumber *> *bboxDim;
+
+-(CPUResult *)computeWithScore:(float *)score andBBoxs:(float *)bbox;
+
+@end

metal/paddle-mobile/paddle-mobile/CPUCompute.mm

+/* Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
+ 
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+ 
+ http://www.apache.org/licenses/LICENSE-2.0
+ 
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License. */
+
+
+#import "CPUCompute.h"
+
+#import <map>
+#import <vector>
+#import <utility>
+#import <algorithm>
+
+
+
+
+struct NMSParam {
+  
+  float *score_data;
+  
+  float *box_data;
+  
+  float *output;
+  
+  int output_size;
+  
+  std::vector<int> score_dim;
+  
+  std::vector<int> box_dim;
+  
+  float scoreThredshold;
+  
+  int nmsTopK;
+  
+  int keepTopK;
+  
+  float nmsEta;
+  
+  float nmsThreshold;
+  
+  int background_label;
+};
+
+
+constexpr int kOutputDim = 6;
+constexpr int kBBoxSize = 4;
+
+template <class T>
+bool SortScorePairDescend(const std::pair<float, T>& pair1,
+                          const std::pair<float, T>& pair2) {
+  return pair1.first > pair2.first;
+}
+
+template <class T>
+static inline void GetMaxScoreIndex(
+                                    const std::vector<T>& scores, const T threshold, int top_k,
+                                    std::vector<std::pair<T, int>>* sorted_indices) {
+  for (size_t i = 0; i < scores.size(); ++i) {
+    if (scores[i] > threshold) {
+      sorted_indices->push_back(std::make_pair(scores[i], i));
+    }
+  }
+  // Sort the score pair according to the scores in descending order
+  std::stable_sort(sorted_indices->begin(), sorted_indices->end(),
+                   SortScorePairDescend<int>);
+  // Keep top_k scores if needed.
+  if (top_k > -1 && top_k < static_cast<int>(sorted_indices->size())) {
+    sorted_indices->resize(top_k);
+  }
+}
+
+template <class T>
+static inline T BBoxArea(const T* box, const bool normalized) {
+  if (box[2] < box[0] || box[3] < box[1]) {
+    // If coordinate values are is invalid
+    // (e.g. xmax < xmin or ymax < ymin), return 0.
+    return static_cast<T>(0.);
+  } else {
+    const T w = box[2] - box[0];
+    const T h = box[3] - box[1];
+    if (normalized) {
+      return w * h;
+    } else {
+      // If coordinate values are not within range [0, 1].
+      return (w + 1) * (h + 1);
+    }
+  }
+}
+
+template <class T>
+static inline T JaccardOverlap(const T* box1, const T* box2,
+                               const bool normalized) {
+  if (box2[0] > box1[2] || box2[2] < box1[0] || box2[1] > box1[3] ||
+      box2[3] < box1[1]) {
+    return static_cast<T>(0.);
+  } else {
+    const T inter_xmin = std::max(box1[0], box2[0]);
+    const T inter_ymin = std::max(box1[1], box2[1]);
+    const T inter_xmax = std::min(box1[2], box2[2]);
+    const T inter_ymax = std::min(box1[3], box2[3]);
+    const T inter_w = inter_xmax - inter_xmin;
+    const T inter_h = inter_ymax - inter_ymin;
+    const T inter_area = inter_w * inter_h;
+    const T bbox1_area = BBoxArea<T>(box1, normalized);
+    const T bbox2_area = BBoxArea<T>(box2, normalized);
+    return inter_area / (bbox1_area + bbox2_area - inter_area);
+  }
+}
+
+template <typename T>
+static inline void NMSFast(
+                           const T *bbox_data,
+                           std::vector<int> bbox_dim,
+                           const T *score_data,
+                           const T score_threshold, const T nms_threshold,
+                           const T eta, const int top_k,
+                           std::vector<int>* selected_indices) {
+  // The total boxes for each instance.
+  int num_boxes = bbox_dim[0];
+  // 4: [xmin ymin xmax ymax]
+  int box_size = bbox_dim[1];
+
+  std::vector<T> scores_data(num_boxes);
+  std::copy_n(score_data, num_boxes, scores_data.begin());
+  std::vector<std::pair<T, int>> sorted_indices;
+  GetMaxScoreIndex(scores_data, score_threshold, top_k, &sorted_indices);
+
+  selected_indices->clear();
+  T adaptive_threshold = nms_threshold;
+
+  while (sorted_indices.size() != 0) {
+    const int idx = sorted_indices.front().second;
+    bool keep = true;
+    for (size_t k = 0; k < selected_indices->size(); ++k) {
+      if (keep) {
+        const int kept_idx = (*selected_indices)[k];
+        T overlap = JaccardOverlap<T>(bbox_data + idx * box_size,
+                                      bbox_data + kept_idx * box_size, true);
+        keep = overlap <= adaptive_threshold;
+      } else {
+        break;
+      }
+    }
+    if (keep) {
+      selected_indices->push_back(idx);
+    }
+    sorted_indices.erase(sorted_indices.begin());
+    if (keep && eta < 1 && adaptive_threshold > 0.5) {
+      adaptive_threshold *= eta;
+    }
+  }
+}
+
+template <typename T>
+void MultiClassNMS(const T *boxes_data,
+                   const std::vector<int> &box_dim,
+                   const T *scores_data,
+                   const std::vector<int> &score_dim,
+                   std::map<int, std::vector<int>>* indices, int* num_nmsed_out,
+                   const int& background_label, const int& nms_top_k,
+                   const int& keep_top_k, const T& nms_threshold,
+                   const T& nms_eta, const T& score_threshold) {
+  
+  int64_t class_num = score_dim[0];
+  int64_t predict_dim = score_dim[1];
+  int num_det = 0;
+  for (int c = 0; c < class_num; ++c) {
+    if (c == background_label) continue;
+    const T *score_data = scores_data + c * predict_dim;
+    
+    /// [c] is key
+    NMSFast<T>(boxes_data, box_dim, score_data, score_threshold, nms_threshold, nms_eta,
+                   nms_top_k, &((*indices)[c]));
+    num_det += (*indices)[c].size();
+  }
+
+  *num_nmsed_out = num_det;
+  if (keep_top_k > -1 && num_det > keep_top_k) {
+    std::vector<std::pair<T, std::pair<int, int>>> score_index_pairs;
+    for (const auto& it : *indices) {
+      int label = it.first;
+      const T* sdata = scores_data + label * predict_dim;
+      const std::vector<int>& label_indices = it.second;
+      for (size_t j = 0; j < label_indices.size(); ++j) {
+        int idx = label_indices[j];
+        // PADDLE_ENFORCE_LT(idx, predict_dim);
+        score_index_pairs.push_back(std::make_pair(sdata[idx], std::make_pair(label, idx)));
+      }
+    }
+    // Keep top k results per image.
+    std::stable_sort(score_index_pairs.begin(), score_index_pairs.end(),
+                     SortScorePairDescend<std::pair<int, int>>);
+    score_index_pairs.resize(keep_top_k);
+
+    // Store the new indices.
+    std::map<int, std::vector<int>> new_indices;
+    for (size_t j = 0; j < score_index_pairs.size(); ++j) {
+      int label = score_index_pairs[j].second.first;
+      int idx = score_index_pairs[j].second.second;
+      new_indices[label].push_back(idx);
+    }
+    new_indices.swap(*indices);
+    *num_nmsed_out = keep_top_k;
+  }
+}
+
+template <typename T>
+void MultiClassOutput(const T *scores_data,
+                      const std::vector<int> &score_dim,
+                      const T *bboxes_data,
+                      T *outputs_data,
+                      const std::map<int, std::vector<int>>& selected_indices) {
+  int predict_dim = score_dim[1];
+  int count = 0;
+  for (const auto& it : selected_indices) {
+    /// one batch
+    int label = it.first;
+    const T* sdata = scores_data + label * predict_dim;
+    const std::vector<int>& indices = it.second;
+    for (size_t j = 0; j < indices.size(); ++j) {
+      int idx = indices[j];
+      const T* bdata = bboxes_data + idx * kBBoxSize;
+      outputs_data[count * kOutputDim] = label;           // label
+      outputs_data[count * kOutputDim + 1] = sdata[idx];  // score
+      // xmin, ymin, xmax, ymax
+      std::memcpy(outputs_data + count * kOutputDim + 2, bdata, 4 * sizeof(T));
+      count++;
+    }
+  }
+}
+
+void MultiClassNMSCompute(NMSParam *param) {
+  assert(param->score_dim[0] == 1);
+  assert(param->box_dim[0] == 1);
+  assert (param->score_dim.size() == 3);
+  assert(param->box_dim.size() == 3);
+
+  float* outputs;
+  auto background_label = param->background_label;
+  auto nms_top_k = param->nmsTopK;
+  auto keep_top_k = param->keepTopK;
+  auto nms_threshold = param->nmsThreshold;
+  auto nms_eta = param->nmsEta;
+  auto score_threshold = param->scoreThredshold;
+
+  std::vector<int> score_dim_one_batch = {param->score_dim[1], param->score_dim[2]};
+  std::vector<int> box_dim_one_batch = {param->box_dim[1], param->box_dim[2]};
+  
+  std::vector<int> batch_starts = {0};
+  
+  std::map<int, std::vector<int>> indices;
+  int num_nmsed_out = 0;
+  
+  MultiClassNMS<float>(param->box_data, box_dim_one_batch, param->score_data, score_dim_one_batch, &indices, &num_nmsed_out,
+                       background_label, nms_top_k, keep_top_k, nms_threshold,
+                       nms_eta, score_threshold);
+  batch_starts.push_back(batch_starts.back() + num_nmsed_out);
+
+  int output_size = 0;
+  int num_kept = batch_starts.back();
+  if (num_kept == 0) {
+    outputs = new float[1];
+    outputs[0] = -1;
+    output_size = 1;
+  } else {
+    outputs = new float[num_kept * kOutputDim];
+    int64_t s = batch_starts[0];
+    int64_t e = batch_starts[1];
+    if (e > s) {
+      MultiClassOutput<float>(param->score_data, score_dim_one_batch, param->box_data, outputs, indices);
+    }
+    output_size = num_kept * kOutputDim;
+  }
+  param->output = outputs;
+  param->output_size = output_size;
+}
+
+@implementation CPUResult
+@end
+
+@implementation NMSCompute
+
+-(CPUResult *)computeWithScore:(float *)score andBBoxs:(float *)bbox {
+  NMSParam param;
+  param.box_data = bbox;
+  param.score_data = score;
+  param.background_label = self.background_label;
+  param.scoreThredshold = self.scoreThredshold;
+  param.nmsTopK = self.nmsTopK;
+  param.keepTopK = self.keepTopK;
+  param.nmsEta = self.nmsEta;
+  param.nmsThreshold = self.nmsThreshold;
+  std::vector<int> score_dim;
+  for (int i = 0; i < self.scoreDim.count; ++i) {
+    score_dim.push_back(self.scoreDim[i].intValue);
+  }
+  param.score_dim = score_dim;
+  
+  std::vector<int> box_dim;
+  for (int i = 0; i < self.bboxDim.count; ++i) {
+    box_dim.push_back(self.bboxDim[i].intValue);
+  }
+  param.box_dim = box_dim;
+  MultiClassNMSCompute(&param);
+  CPUResult *cr = [[CPUResult alloc] init];
+  cr.output = param.output;
+  cr.outputSize = param.output_size;
+  return cr;
+}
+
+@end
+
+

metal/paddle-mobile/paddle-mobile/Common/Extensions.swift

@@ -16,95 +16,110 @@ import Foundation
 
 // 自定义 ?!  如果 ?! 前的返回值为一个可选值, 则进行隐式解包, 如果有值则返回这个值, 如果为nil 则fatalError 传入的信息
 precedencegroup ExecutedOrFatalError{
-    associativity: left
-    higherThan: AssignmentPrecedence
+  associativity: left
+  higherThan: AssignmentPrecedence
 }
 infix operator ?!: ExecutedOrFatalError
 public func ?!<T>(option: T?, excuteOrError: @autoclosure () -> String) -> T{
-    if let inOpt = option {
-        return inOpt
-    }else{
-        print(excuteOrError())
-        fatalError(excuteOrError())
-    }
+  if let inOpt = option {
+    return inOpt
+  }else{
+    print(excuteOrError())
+    fatalError(excuteOrError())
+  }
 }
 
 //Lense
 struct Lense<A, B> {
-    let from: (A) -> B
-    let to: (B, A) -> A
+  let from: (A) -> B
+  let to: (B, A) -> A
 }
 
 precedencegroup CombineLense{
-    associativity: left
-    higherThan: AssignmentPrecedence
+  associativity: left
+  higherThan: AssignmentPrecedence
 }
 
 infix operator >>>: CombineLense
 func >>><A, B, C>(left: Lense<B, C>, right: Lense<A, B>) -> Lense<A, C> {
-    return Lense<A, C>.init(from: { (a) -> C in
-        left.from(right.from(a))
-    }, to: { (c, a) -> A in
-        right.to( left.to(c, right.from(a)),a)
-    })
+  return Lense<A, C>.init(from: { (a) -> C in
+    left.from(right.from(a))
+  }, to: { (c, a) -> A in
+    right.to( left.to(c, right.from(a)),a)
+  })
 }
 
 protocol CIntIndex {
-    associatedtype T;
-    subscript(index: CInt) -> T { get set};
+  associatedtype T;
+  subscript(index: CInt) -> T { get set};
 }
 
 extension Array: CIntIndex{
-    typealias T = Element
-    subscript(index: CInt) -> T {
-        get{
-            guard Int64(Int.max) >= Int64(index) else{
-                fatalError("cint index out of Int range")
-            }
-            return self[Int(index)]
-        }
-        set{
-            guard Int64(Int.max) >= Int64(index) else{
-                fatalError("cint index out of Int range")
-            }
-            self[Int(index)] = newValue
-        }
-        
+  typealias T = Element
+  subscript(index: CInt) -> T {
+    get{
+      guard Int64(Int.max) >= Int64(index) else{
+        fatalError("cint index out of Int range")
+      }
+      return self[Int(index)]
+    }
+    set{
+      guard Int64(Int.max) >= Int64(index) else{
+        fatalError("cint index out of Int range")
+      }
+      self[Int(index)] = newValue
     }
+    
+  }
 }
 
 extension Array where Element: AnyObject{
-    mutating func remove(element: Element) {
-        if let index = index(where: { (node) -> Bool in
-            return unsafeBitCast(element, to: Int.self) == unsafeBitCast(node, to: Int.self)
-        }) {
-            remove(at: index)
-        }
+  mutating func remove(element: Element) {
+    if let index = index(where: { (node) -> Bool in
+      return unsafeBitCast(element, to: Int.self) == unsafeBitCast(node, to: Int.self)
+    }) {
+      remove(at: index)
     }
-    
+  }
+  
 }
 
 //MARK: Array extension
 extension Array where Element: Comparable{
-    
-    /// 返回数组前 r 个元素, 并将元素处于原数组的位置作为元组的第一个元素返回
-    ///
-    /// - Parameter r: 前 r 个元素
-    /// - Returns: [(原有位置, 排好位置的元素)]
-    public func top(r: Int) -> [(Int, Element)] {
-        precondition(r <= self.count)
-        return Array<(Int, Element)>(zip(0..<self.count, self).sorted{ $0.1 > $1.1 }.prefix(through: r - 1))
+  
+  /// 返回数组前 r 个元素, 并将元素处于原数组的位置作为元组的第一个元素返回
+  ///
+  /// - Parameter r: 前 r 个元素
+  /// - Returns: [(原有位置, 排好位置的元素)]
+  public func top(r: Int) -> [(Int, Element)] {
+    precondition(r <= self.count)
+    return Array<(Int, Element)>(zip(0..<self.count, self).sorted{ $0.1 > $1.1 }.prefix(through: r - 1))
+  }
+}
+
+extension Array {
+  public func strideArray(inCount: Int = 20) -> [(Int, Element)] {
+    if count < inCount {
+      return (0..<count).map{ ($0, self[$0]) }
+    } else {
+      let stride = count / inCount
+      var newArray: [(Int, Element)] = []
+      for i in 0..<inCount {
+        newArray.append((i * stride, self[i * stride]))
+      }
+      return newArray
     }
+  }
 }
 
 extension String{
-    func cStr() -> UnsafePointer<Int8>? {
-        return (self as NSString).utf8String
-    }
+  func cStr() -> UnsafePointer<Int8>? {
+    return (self as NSString).utf8String
+  }
 }
 
 func address<T: AnyObject>(o: T) -> String {
-    return String.init(format: "%018p", unsafeBitCast(o, to: Int.self))
+  return String.init(format: "%018p", unsafeBitCast(o, to: Int.self))
 }
 
 

metal/paddle-mobile/paddle-mobile/Common/PaddleMobileUnitTest.swift

-//
-//  TestConvAddBatchNormRelu.swift
-//  paddle-mobile-demo
-//
-//  Created by liuRuiLong on 2018/7/25.
-//  Copyright © 2018年 orange. All rights reserved.
-//
+/* Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
+ 
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+ 
+ http://www.apache.org/licenses/LICENSE-2.0
+ 
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License. */
 
 import Metal
 import Foundation
@@ -17,6 +23,204 @@ public class PaddleMobileUnitTest {
         queue = inQueue
     }
     
+    private func indentPrintTensor(tensor: [Float32], dim: [Int], ix: [Int], indentLevel: Int) {
+        let indent = Array.init(repeating: " ", count: indentLevel).joined(separator: "")
+        var tx = ix
+        if dim.count == indentLevel + 1 {
+            var log: String = indent + "["
+            for i in 0..<dim[indentLevel] {
+                tx = ix
+                tx[indentLevel] = i
+                for x in 1..<dim.count {
+                    for y in 0..<x {
+                        tx[y] *= dim[x]
+                    }
+                }
+                let c = tx.reduce(0) { $0 + $1 }
+                if i > 0 {
+                    log += ", "
+                }
+                log += tensor[c].description
+            }
+            log += "]"
+            if (indentLevel > 0) && (ix[indentLevel - 1] < dim[indentLevel - 1] - 1) {
+                log += ","
+            }
+            print(log)
+        } else {
+            print(indent + "[")
+            for i in 0..<dim[indentLevel] {
+                tx[indentLevel] = i
+                indentPrintTensor(tensor: tensor, dim: dim, ix: tx, indentLevel: indentLevel + 1)
+            }
+            if (indentLevel > 0) && (ix[indentLevel - 1] < dim[indentLevel - 1] - 1) {
+                print(indent + "],")
+            } else {
+                print(indent + "]")
+            }
+        }
+    }
+    
+    private func tensorPrint(tensor: [Float32], dim: [Int]) {
+        var detectPos = -1
+        var odim = 1
+        var ndim = dim
+        for i in 0..<dim.count {
+            if dim[i] == -1 {
+                if detectPos == -1 {
+                    detectPos = i
+                } else {
+                    detectPos = -2
+                }
+            } else if dim[i] <= 0 {
+                detectPos = -3
+            } else {
+                odim *= dim[i]
+            }
+        }
+        assert(detectPos >= -1)
+        if (detectPos == -1) {
+            assert(tensor.count == odim)
+        } else {
+            assert(tensor.count % odim == 0)
+            ndim[detectPos] = tensor.count / odim
+        }
+        indentPrintTensor(tensor: tensor, dim: ndim, ix: dim.map { $0 * 0 }, indentLevel: 0)
+    }
+    
+    public func testConcat() {
+//        let buffer = queue.makeCommandBuffer() ?! "buffer is nil"
+//        var it: [[Float32]] = []
+//        for _ in 0..<7 {
+//            it.append((0..<12).map { Float32($0) })
+//        }
+//        let input = it.map { device.tensor2texture(value: $0, dim: [3, 4]) }
+//        let output = device.tensor2texture(value: [Float32](), dim: [3, 28])
+//
+//        let param = ConcatTestParam.init(
+//            input: input,
+//            output: output,
+//            dims: [[3, 4], [3, 4], [3, 4], [3, 4], [3, 4], [3, 4], [3, 4]],
+//            axis: 1,
+//            odim: [3, 28]
+//        )
+//        let concatKernel = ConcatKernel<Float32>.init(device: device, testParam: param)
+//        concatKernel.test(cmdBuffer: buffer, param: param)
+//        buffer.addCompletedHandler { (buffer) in
+//            for i in 0..<it.count {
+//                let _: Float32? = input[i].logDesc()
+//                self.tensorPrint(tensor: it[i], dim: [3, 4])
+//            }
+//            let _: Float32? = output.logDesc()
+//            let tx: [Float32] = self.device.texture2tensor(texture: output, dim: [3, 28])
+//            self.tensorPrint(tensor: tx, dim: [3, 28])
+//        }
+//
+//        buffer.commit()
+    }
+    
+    public func testReshape() {
+//        let buffer = queue.makeCommandBuffer() ?! "buffer is nil"
+//        let input: [Float32] = (0..<24).map { Float32($0) }
+//        let inTexture = device.tensor2texture(value: input, dim: [2, 3, 4])
+//        let outTexture = device.tensor2texture(value: [Float32](), dim: [4, 6])
+//        let mp = ReshapeMetalParam.init(
+//            idim: (1, 2, 3, 4),
+//            itrans: (0, 1, 2, 3),
+//            odim: (1, 1, 4, 6),
+//            otrans: (0, 1, 2, 3)
+//        )
+//        let param = ReshapeTestParam.init(
+//            inputTexture: inTexture,
+//            outputTexture: outTexture,
+//            param: mp
+//        )
+//        let reshapeKernel = ReshapeKernel<Float32>.init(device: device, testParam: param)
+//        reshapeKernel.test(commandBuffer: buffer, testParam: param)
+//        buffer.addCompletedHandler { (buffer) in
+//            let _: Float32? = inTexture.logDesc()
+//            let _: Float32? = outTexture.logDesc()
+//            self.tensorPrint(tensor: input, dim: [2, 3, 4])
+//            let tx: [Float32] = self.device.texture2tensor(texture: outTexture, dim: [4, 6])
+//            self.tensorPrint(tensor: tx, dim: [4, 6])
+//        }
+        
+//        let input: [Float32] = (0..<24).map { Float32($0) }
+//        let inTexture = device.tensor2texture(value: input, dim: [2, 3, 4])
+//        let outTexture = device.tensor2texture(value: [Float32](), dim: [24])
+//        let mp = ReshapeMetalParam.init(
+//            idim: (1, 2, 3, 4),
+//            itrans: (0, 1, 2, 3),
+//            odim: (1, 1, 1, 24),
+//            otrans: (0, 1, 2, 3)
+//        )
+//        let param = ReshapeTestParam.init(
+//            inputTexture: inTexture,
+//            outputTexture: outTexture,
+//            param: mp
+//        )
+//        let reshapeKernel = ReshapeKernel<Float32>.init(device: device, testParam: param)
+//        reshapeKernel.test(commandBuffer: buffer, testParam: param)
+//        buffer.addCompletedHandler { (buffer) in
+//            let _: Float32? = inTexture.logDesc()
+//            let _: Float32? = outTexture.logDesc()
+//            self.tensorPrint(tensor: input, dim: [2, 3, 4])
+//            let tx: [Float32] = self.device.texture2tensor(texture: outTexture, dim: [24])
+//            self.tensorPrint(tensor: tx, dim: [24])
+//        }
+//
+//        
+//        buffer.commit()
+    }
+    
+    public func testTranspose() {
+
+        let buffer = queue.makeCommandBuffer() ?! "buffer is nil"
+//        var input: [Float32] = []
+//        for i in 0..<72 {
+//            input.append(Float32(i))
+//        }
+////        let inputTexture = device.makeFloatTexture(value: input, textureWidth: 3, textureHeight: 2, arrayLength: 3)
+//        let inputTexture = device.tensor2texture(value: input, dim: [4, 3, 2, 3]);
+//        // group 1
+//        let outputTexture = device.tensor2texture(value: [Float32](), dim: [3, 3, 2, 4])
+//        let param = TransposeTestParam.init(inputTexture: inputTexture, outputTexture: outputTexture, iC: 3, oC: 4, axis: [3, 1, 2, 0])
+////        let param = TransposeTestParam.init(inputTexture: inputTexture, outputTexture: outputTexture, iC: 4, oC: 2, axis: [3, 0, 2, 1])
+////        // group 2
+////        let outputTexture = device.makeFloatTexture(value: [Float32](), textureWidth: 3, textureHeight: 3, arrayLength: 6)
+////        let param = TransposeTestParam.init(inputTexture: inputTexture, outputTexture: outputTexture, iC: 4, oC: 4, axis: [3, 0, 2, 1])
+////
+//        let transposeKernel = TransposeKernel<Float32>.init(device: device, testParam: param)
+//
+//        transposeKernel.test(commandBuffer: buffer, param: param)
+//
+//        buffer.addCompletedHandler { (buffer) in
+//            let _: Float32? = inputTexture.logDesc(header: "input texture", stridable: false)
+//            let _: Float32? = outputTexture.logDesc(header: "output texture", stridable: false)
+//            self.tensorPrint(tensor: input, dim: [4, 3, 2, 3])
+//            let tx: [Float32] = self.device.texture2tensor(texture: outputTexture, dim: [3, 3, 2, 4])
+//            self.tensorPrint(tensor: tx, dim: [3, 3, 2, 4])
+//        }
+//
+//        let input: [Float32] = (0..<24).map { Float32($0) }
+//        let inputTexture = device.tensor2texture(value: input, dim: [2, 3, 4])
+//        let outputTexture = device.tensor2texture(value: [Float](), dim: [3, 4, 2])
+//        let param = TransposeTestParam.init(inputTexture: inputTexture, outputTexture: outputTexture, iC: 4, oC: 2, axis: [0, 2, 3, 1])
+//        let transposeKernel = TransposeKernel<Float32>.init(device: device, testParam: param)
+//
+//        transposeKernel.test(commandBuffer: buffer, param: param)
+//
+//        buffer.addCompletedHandler { (buffer) in
+//            let _: Float32? = inputTexture.logDesc(header: "input texture", stridable: false)
+//            let _: Float32? = outputTexture.logDesc(header: "output texture", stridable: false)
+//            self.tensorPrint(tensor: input, dim: [2, 3, 4])
+//            let tx: [Float32] = self.device.texture2tensor(texture: outputTexture, dim: [3, 4, 2])
+//            self.tensorPrint(tensor: tx, dim: [3, 4, 2])
+//        }
+//        
+        buffer.commit()
+    }
+    
     public func testConvAddBnRelu() {
         let buffer = queue.makeCommandBuffer() ?! " buffer is nil "
         
@@ -116,7 +320,7 @@ public class PaddleMobileUnitTest {
         let offsetX = filterSize.width/2 - paddings.0
         let offsetY = filterSize.height/2 - paddings.1
         
-        let metalParam = MetalConvParam.init(offsetX: Int16(offsetX), offsetY: Int16(offsetY), offsetZ: 0, strideX: UInt16(stride.0), strideY: UInt16(stride.1), paddedZ: UInt16(paddings.0))
+        let metalParam = MetalConvParam.init(offsetX: Int16(offsetX), offsetY: Int16(offsetY), offsetZ: 0, strideX: UInt16(stride.0), strideY: UInt16(stride.1), dilationX: UInt16(1), dilationY: UInt16(1))
         
         let param = ConvAddBatchNormReluTestParam.init(inInputTexture: inputeTexture, inOutputTexture: outputTexture, inMetalParam: metalParam, inFilterBuffer: filterBuffer, inBiaseBuffer: biaseBuffer, inNewScaleBuffer: newScalueBuffer, inNewBiaseBuffer: newBiaseBuffer, inFilterSize: filterSize)
         
@@ -132,16 +336,6 @@ public class PaddleMobileUnitTest {
         }
         
         buffer.commit()
-        
-        
-//        let inputTexture = device.makeFloatTexture(value: <#T##[P]#>, textureWidth: <#T##Int#>, textureHeight: <#T##Int#>, arrayLength: <#T##Int#>)
-        
-        
-//        let param = ConvAddBatchNormReluTestParam.init(inInputTexture: <#T##MTLTexture#>, inOutputTexture: <#T##MTLTexture#>, inMetalParam: <#T##MetalConvParam#>, inFilterBuffer: <#T##MTLBuffer#>, inBiaseBuffer: <#T##MTLBuffer#>, inNewScaleBuffer: <#T##MTLBuffer#>, inNewBiaseBuffer: <#T##MTLBuffer#>, inFilterSize: <#T##(width: Int, height: Int, channel: Int)#>)
-        
-//        ConvAddBatchNormReluKernel.init(device: <#T##MTLDevice#>, testParam: <#T##ConvAddBatchNormReluTestParam#>)
-        
-        
     }
 }
 

metal/paddle-mobile/paddle-mobile/Common/Tools.swift

-//
-//  Tools.swift
-//  paddle-mobile
-//
-//  Created by liuRuiLong on 2018/7/26.
-//  Copyright © 2018年 orange. All rights reserved.
-//
+/* Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
+ 
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+ 
+ http://www.apache.org/licenses/LICENSE-2.0
+ 
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License. */
 
 import Foundation
 

metal/paddle-mobile/paddle-mobile/Common/Types.swift

@@ -13,80 +13,228 @@
  limitations under the License. */
 
 import Foundation
+import Accelerate
 
 public protocol SummableMultipliable: Equatable {
-    static func +(lhs: Self, rhs: Self) -> Self
-    static func *(lhs: Self, rhs: Self) -> Self
-    static func -(lhs: Self, rhs: Self) -> Self
+  static func +(lhs: Self, rhs: Self) -> Self
+  static func *(lhs: Self, rhs: Self) -> Self
+  static func -(lhs: Self, rhs: Self) -> Self
 }
 public protocol PrecisionType: SummableMultipliable{
-    init(inFloat: Float32)
-    init(inFloat16: Float16)
-    init<P: PrecisionType>(_ inP: P)
-    static var bitSize: UInt { get }
+  init(inFloat: Float32)
+  init(inFloat16: Float16)
+  init<P: PrecisionType>(_ inP: P)
+  static var bitSize: UInt { get }
 }
 
 public typealias Float16 = Int16
 extension Float16: PrecisionType {
-    public static func * (prefix: Float16, postfix: Float16) {
-        return prefix * postfix
+  public static func * (prefix: Float16, postfix: Float16) {
+    return prefix * postfix
+  }
+  
+  public init<P>(_ inP: P) where P : PrecisionType {
+    if P.bitSize == Float32.bitSize {
+      self = Float16(inFloat: inP as! Float32)
+    } else if P.bitSize == Float16.bitSize {
+      self = inP as! Float16
+    } else {
+      fatalError()
     }
-    
-    public init<P>(_ inP: P) where P : PrecisionType {
-        if P.bitSize == Float32.bitSize {
-            self = Float16(inFloat: inP as! Float32)
-        } else if P.bitSize == Float16.bitSize {
-            self = inP as! Float16
-        } else {
-            fatalError()
+  }
+  
+  public static var bitSize: UInt {
+    return 16
+  }
+  
+  public init(inFloat16: Float16) {
+    self = inFloat16
+  }
+  public init(inFloat: Float32) {
+    self = Int16(inFloat)
+  }
+}
+
+extension Float32: PrecisionType {
+  public init<P>(_ inP: P) where P : PrecisionType {
+    if P.bitSize == Float32.bitSize {
+      self = inP as! Float32
+    } else if P.bitSize == Float16.bitSize {
+      self = Float32.init(inP as! Float16)
+    } else {
+      fatalError()
+    }
+  }
+  
+  public init(inFloat: Float32) {
+    self = inFloat
+  }
+  
+  public init(inFloat16: Float16) {
+    self = Float32.init(inFloat16)
+  }
+  
+  public static var bitSize: UInt {
+    return 32
+  }
+}
+
+public func float32ToFloat16(input: UnsafeMutablePointer<Float32>, output: UnsafeMutableRawPointer, count: Int) {
+  var float32Buffer = vImage_Buffer(data: input,  height: 1, width: UInt(count), rowBytes: count * 4)
+  var float16buffer = vImage_Buffer(data: output, height: 1, width: UInt(count), rowBytes: count * 2)
+  guard vImageConvert_PlanarFtoPlanar16F(&float32Buffer, &float16buffer, 0) == kvImageNoError else {
+    fatalError(" float 32 to float 16 error ! ")
+  }
+}
+
+public func float16To32(input: UnsafeMutablePointer<Float16>, count: Int) -> [Float32] {
+  var output = Array<Float>.init(repeating: 0.0, count: count)
+  float16to32(input: input, output: &output, count: count)
+  return output
+}
+
+public func float16to32(input: UnsafeMutablePointer<Float16>, output: UnsafeMutablePointer<Float32>, count: Int) {
+  var bufferFloat16 = vImage_Buffer(data: input,  height: 1, width: UInt(count), rowBytes: count * 2)
+  var bufferFloat32 = vImage_Buffer(data: output, height: 1, width: UInt(count), rowBytes: count * 4)
+  if vImageConvert_Planar16FtoPlanarF(&bufferFloat16, &bufferFloat32, 0) != kvImageNoError {
+    fatalError(" convert float16 to float32 error")
+  }
+}
+
+// N - 0   C - 1   H - 2   W - 3
+struct DataLayout {
+  
+  static func NCHW(dim: Dim = Dim.init(inDim: [0, 0, 0, 0])) -> DataLayout {
+    return DataLayout.init([(.N, dim[0]), (.C, dim[1]), (.H, dim[2]), (.W, dim[3])])
+  }
+  
+  static func NHWC(dim: Dim = Dim.init(inDim: [0, 0, 0, 0])) -> DataLayout {
+    return DataLayout.init([(.N, dim[0]), (.H, dim[1]), (.W, dim[2]), (.C, dim[3])])
+  }
+  
+  func count() -> Int {
+    return layoutWithDim.count
+  }
+  
+  var N: Int? {
+    get {
+      for layoutDim in layoutWithDim {
+        if layoutDim.0 == .N {
+          return layoutDim.1
         }
+      }
+      return nil
     }
-    
-    public static var bitSize: UInt {
-        return 16
+    set {
+      var newN = (Layout.N, newValue)
+      if let index = layoutWithDim.index(where: { (layout: Layout, dim: Int) -> Bool in
+        return layout == .N
+      }) {
+        fatalError()
+      }
     }
-    
-    public init(inFloat16: Float16) {
-        self = inFloat16
+  }
+  var C: Int? {
+    get {
+      for layoutDim in layoutWithDim {
+        if layoutDim.0 == .C {
+          return layoutDim.1
+        }
+      }
+      return nil
     }
-    public init(inFloat: Float32) {
-        self = Int16(inFloat)
+    set {
+      var newN = (Layout.C, newValue)
+      if let index = layoutWithDim.index(where: { (layout: Layout, dim: Int) -> Bool in
+        return layout == .N
+      }) {
+        fatalError()
+      }
     }
-    
-    
-    
-}
-
-extension Float32: PrecisionType {
-    public init<P>(_ inP: P) where P : PrecisionType {
-        if P.bitSize == Float32.bitSize {
-            self = inP as! Float32
-        } else if P.bitSize == Float16.bitSize {
-            self = Float32.init(inP as! Float16)
-        } else {
-            fatalError()
+  }
+  var H: Int? {
+    get {
+      for layoutDim in layoutWithDim {
+        if layoutDim.0 == .H {
+          return layoutDim.1
         }
+      }
+      return nil
     }
-    
-    public init(inFloat: Float32) {
-        self = inFloat
+    set {
+      var newN = (Layout.H, newValue)
+      if let index = layoutWithDim.index(where: { (layout: Layout, dim: Int) -> Bool in
+        return layout == .H
+      }) {
+        fatalError()
+      }
     }
-    
-    public init(inFloat16: Float16) {
-        self = Float32.init(inFloat16)
+  }
+  var W: Int? {
+    get {
+      for layoutDim in layoutWithDim {
+        if layoutDim.0 == .W {
+          return layoutDim.1
+        }
+      }
+      return nil
+    }
+    set {
+      var newN = (Layout.W, newValue)
+      if let index = layoutWithDim.index(where: { (layout: Layout, dim: Int) -> Bool in
+        return layout == .W
+      }) {
+        fatalError()
+      }
     }
+  }
+  
+  
+  init(_ inLayout: [(Layout, Int)]) {
+    layoutWithDim = inLayout
+  }
+  
+  func layout() -> [Layout] {
+    return layoutWithDim.map({ (layout: Layout, dim: Int) -> Layout in
+      return layout
+    })
+  }
+  
+  var layoutWithDim: [(Layout, Int)] = [(.N, 0), (.C, 0), (.H, 0), (.W, 0)]
+  
+  func convertTo(inLayout: [Layout]) {
     
-    public static var bitSize: UInt {
-        return 32
+  }
+  
+  enum Layout: Int{
+    case N = 0
+    case C = 1
+    case H = 2
+    case W = 3
+    static func defaultLayout() -> [Layout] {
+      return [N, C, H, W]
     }
+  }
 }
 
-public enum DataLayout {
-    case NCHW
-    case NHWC
+extension DataLayout: Equatable {
+  public static func == (lhs: DataLayout, rhs: DataLayout) -> Bool {
+    if lhs.layoutWithDim.count == rhs.layoutWithDim.count {
+      var result = true
+      for i in 0..<lhs.layoutWithDim.count {
+        result = (lhs.layoutWithDim[i].0 == rhs.layoutWithDim[i].0)
+        if !result {
+          break
+        }
+      }
+      return result
+    } else {
+      return false
+    }
+  }
 }
 
-protocol Variant: CustomStringConvertible, CustomDebugStringConvertible {
+public protocol Variant: CustomStringConvertible, CustomDebugStringConvertible {
 }
 
 extension Tensor: Variant {
@@ -95,12 +243,52 @@ extension Tensor: Variant {
 extension Texture: Variant {
 }
 
-extension ResultHolder: Variant {
+extension GPUResultHolder: Variant {
 }
 
 extension InputTexture: Variant {
 }
 
 extension MTLTexture where Self: Variant {
-    
+  
 }
+
+class FetchHolder: Variant {
+  var resultBuffer: MTLBuffer?
+  var dim: [Int]
+  var capacity: Int
+  
+  init(inCapacity: Int, inDim: [Int]) {
+    capacity = inCapacity
+    dim = inDim
+  }
+  
+  func initBuffer(device: MTLDevice) {
+    resultBuffer = device.makeBuffer(length: capacity * 4, options: [])
+  }
+  
+  var result: UnsafeMutablePointer<Float32> {
+    guard let inResultBuffer = resultBuffer else {
+      fatalError()
+    }
+    return inResultBuffer.contents().bindMemory(to: Float32.self, capacity: capacity)
+  }
+  
+}
+
+extension FetchHolder: CustomStringConvertible, CustomDebugStringConvertible {
+  var description: String {
+    fatalError()
+//    return "\(result)"
+  }
+  
+  var debugDescription: String {
+    fatalError()
+//    return "\(result)"
+  }
+  
+  
+}
+
+
+

metal/paddle-mobile/paddle-mobile/Executor.swift

-/* Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
- 
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
- 
- http://www.apache.org/licenses/LICENSE-2.0
- 
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License. */
-
-import Foundation
-
-public class ResultHolder<P: PrecisionType> {
-    public let dim: [Int]
-    public let resultArr: [P]
-    public let elapsedTime: Double
-    public init(inDim: [Int], inResult: [P], inElapsedTime: Double) {
-        dim = inDim
-        resultArr = inResult
-        elapsedTime = inElapsedTime
-    }
-}
-
-extension ResultHolder: CustomDebugStringConvertible, CustomStringConvertible {
-    public var debugDescription: String {
-        var str = ""
-        str += "Dim: \(dim) \n value:[ "
-        if resultArr.count < 20 {
-            for d in resultArr {
-                str += " \(d) "
-            }
-        } else {
-            for d in stride(from: 0, to: resultArr.count, by: resultArr.count/20) {
-                str += " \(resultArr[d]) "
-            }
-        }
-        str += " ]"
-        return str
-    }
-    
-    public var description: String {
-        return debugDescription
-    }
-}
-
-public class Executor<P: PrecisionType> {
-    var ops: [Runable & InferShaperable] = []
-    let program: Program
-    let device: MTLDevice
-    let queue: MTLCommandQueue
-    public init(inDevice:MTLDevice, inQueue: MTLCommandQueue, inProgram: Program) throws {
-        program = inProgram
-        device = inDevice
-        queue = inQueue
-        for block in inProgram.programDesc.blocks {
-            //block.ops.count
-            for i in 0..<block.ops.count {
-                let op = block.ops[i]
-                do {
-                    let op = try OpCreator<P>.shared.creat(device: inDevice, opDesc: op, scope: inProgram.scope)
-                    op.inferShape()
-                    ops.append(op)
-                } catch let error {
-                    throw error
-                }
-            }
-            
-//            for op in block.ops {
-//                do {
-//                    let op = try OpCreator<P>.shared.creat(device: inDevice, opDesc: op, scope: inProgram.scope)
-//                    op.inferShape()
-//                    ops.append(op)
-//                } catch let error {
-//                    throw error
-//                }
-//            }
-        }
-    }
-    
-    public func predict(input: MTLTexture, expect: [Int], completionHandle: @escaping (ResultHolder<P>) -> Void, preProcessKernle: CusomKernel? = nil) throws {
-        guard let buffer = queue.makeCommandBuffer() else {
-            throw PaddleMobileError.predictError(message: "CommandBuffer is nil")
-        }
-        let resInput: MTLTexture
-        if let inPre = preProcessKernle {
-            do {
-                try inPre.compute(inputTexuture: input, commandBuffer: buffer)
-                resInput = inPre.outputTexture
-            } catch let error {
-                throw error
-            }
-        } else {
-            resInput = input
-        }
-        
-        let beforeDate = Date.init()
-        let inputTexture = InputTexture.init(inMTLTexture: resInput, inExpectDim: Dim.init(inDim: expect))
-        program.scope.setInput(input: inputTexture)
- 
-        for op in ops {
-            do {
-                try op.run(device: device, buffer: buffer)
-            } catch let error {
-                throw error
-            }
-        }
-        
-        buffer.addCompletedHandler { (commandbuffer) in
-//            let inputArr = resInput.floatArray(res: { (p:P) -> P in
-//                return p
-//            })
-//            print(inputArr)
-            
-//            let stridableInput: [(index: Int, value: Float)] = input.stridableFloatArray()
-//            print(stridableInput)
-            
-//            let _: Flo? = input.logDesc(header: "input: ", stridable: true)
-//            for op in self.ops {
-//                op.delogOutput()
-//            }
-//            return
-            
-//            self.ops[2].delogOutput()
-            
-            
-            let afterDate = Date.init()
-            
-            guard let outputVar = self.program.scope.output() else {
-                fatalError("output nil")
-            }
-
-            guard let output = outputVar as? Texture<P> else {
-                fatalError("output var type error")
-            }
-            let resultHodlder = ResultHolder<P>.init(inDim: output.dim.dims, inResult: output.metalTexture.floatArray(res: { (p:P) -> P in
-                return p
-            }), inElapsedTime: afterDate.timeIntervalSince(beforeDate))
-            completionHandle(resultHodlder)
-        }
-        buffer.commit()
-    }
-    
-    public func clear() {
-        program.scope.clear()
-    }
-    
-}
-
-//public let paddle_executor: Executor = Executor.init()

metal/paddle-mobile/paddle-mobile/Genet.swift

+/* Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
+ 
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+ 
+ http://www.apache.org/licenses/LICENSE-2.0
+ 
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License. */
+
+import Foundation
+
+public class Genet: Net {
+  @objc public override init(device: MTLDevice) {
+    super.init(device: device)
+    means = [128.0, 128.0, 128.0]
+    scale = 0.017
+    except = 0
+    modelPath = Bundle.main.path(forResource: "genet_model", ofType: nil) ?! "model null"
+    paramPath = Bundle.main.path(forResource: "genet_params", ofType: nil) ?! "para null"
+    modelDir = ""
+    preprocessKernel = GenetPreProccess.init(device: device)
+    dim = (n: 1, h: 128, w: 128, c: 3)
+  }
+  
+  @objc override public init(device: MTLDevice,paramPointer: UnsafeMutableRawPointer, paramSize:Int, modePointer: UnsafeMutableRawPointer, modelSize: Int) {
+    super.init(device:device,paramPointer:paramPointer,paramSize:paramSize,modePointer:modePointer,modelSize:modelSize)
+    means = [128.0, 128.0, 128.0]
+    scale = 0.017
+    except = 0
+    modelPath = ""
+    paramPath = ""
+    modelDir = ""
+    preprocessKernel = GenetPreProccess.init(device: device)
+    dim = (n: 1, h: 128, w: 128, c: 3)
+  }
+
+  class GenetPreProccess: CusomKernel {
+    init(device: MTLDevice) {
+      let s = CusomKernel.Shape.init(inWidth: 128, inHeight: 128, inChannel: 3)
+      super.init(device: device, inFunctionName: "genet_preprocess", outputDim: s, usePaddleMobileLib: false)
+    }
+  }
+  
+  override  public func resultStr(res: ResultHolder) -> String {
+//    fatalError()
+    return " \(res.result![0]) ... "
+  }
+  
+}

metal/paddle-mobile/paddle-mobile/Operators/Base/OpCreator.swift

@@ -43,14 +43,31 @@ class OpCreator<P: PrecisionType> {
         [gConvType                  :     ConvOp<P>.creat,
          gBatchNormType             :     BatchNormOp<P>.creat,
          gReluType                  :     ReluOp<P>.creat,
-         gElementwiseAdd            :     ElementwiseAddOp<P>.creat,
+         gElementwiseAddType        :     ElementwiseAddOp<P>.creat,
          gFeedType                  :     FeedOp<P>.creat,
          gFetchType                 :     FetchOp<P>.creat,
          gConvAddBatchNormReluType  :     ConvAddBatchNormReluOp<P>.creat,
          gPooType                   :     PoolOp<P>.creat,
          gSoftmaxType               :     SoftmaxOp<P>.creat,
          gReshapeType               :     ReshapeOp<P>.creat,
-         gConvAddType               :     ConvAddOp<P>.creat]
-    
+         gConvAddType               :     ConvAddOp<P>.creat,
+         gDepthConvType             :     DepthConvOp<P>.creat,
+         gConcatType                :     ConcatOp<P>.creat,
+         gBoxcoderType              :     BoxcoderOp<P>.creat,
+         gConvBnReluType            :     ConvBNReluOp<P>.creat,
+         gDwConvBnReluType          :     DwConvBNReluOp<P>.creat,
+         gMulticlassNMSType         :     MulticlassNMSOp<P>.creat,
+         gTransposeType             :     TransposeOp<P>.creat,
+         gPriorBoxType              :     PriorBoxOp<P>.creat,
+         gPreluType                 :     PreluOp<P>.creat,
+         gConv2dTransposeType       :     ConvTransposeOp<P>.creat,
+         gBilinearInterpType        :     BilinearInterpOp<P>.creat,
+         gSplit                     :     SplitOp<P>.creat,
+         gShape                     :     ShapeOp<P>.creat,
+         gFlatten                   :     FlattenOp<P>.creat,
+         gConvAddPreluType          :     ConvAddPreluOp<P>.creat,
+         gConvAddAddPreluType       :     ConvAddAddPreluOp<P>.creat,
+         gElementwiseAddPreluType:   ElementwiseAddPreluOp<P>.creat]
+  
     private init(){}
 }

metal/paddle-mobile/paddle-mobile/Operators/Kernels/Concat.swift

+/* Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
+ 
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+ 
+ http://www.apache.org/licenses/LICENSE-2.0
+ 
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License. */
+
+import Foundation
+
+class ConcatKernel<P: PrecisionType>: Kernel, Computable{
+    func compute(commandBuffer: MTLCommandBuffer, param: ConcatParam<P>) throws {
+        guard let encoder = commandBuffer.makeComputeCommandEncoder() else {
+            throw PaddleMobileError.predictError(message: " encoder is nil")
+        }
+        encoder.setTexture(param.input.metalTexture, index: 0)
+        encoder.setTexture(param.output.metalTexture, index: 1)
+        encoder.dispatch(computePipline: pipline, outTexture: param.output.metalTexture)
+        encoder.endEncoding()
+    }
+    
+    required init(device: MTLDevice, param: ConcatParam<P>) {
+        super.init(device: device, inFunctionName: "concat")
+    }
+}