update

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

@@ -102,9 +102,10 @@ class ViewController: UIViewController {
             }
           }
         }
+        print("sleep before ")
+        usleep(33000)
+        print("sleep after ")
       }
-      
-      
     case .CPU:
       guard let inInputPointer = inputPointer else {
         fatalError( " need input pointer " )

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

@@ -57,6 +57,7 @@
 		FC292C82214255BD00CF622F /* MobileNetSSD.swift in Sources */ = {isa = PBXBuildFile; fileRef = FC292C7E214255BC00CF622F /* MobileNetSSD.swift */; };
 		FC292C85214257CB00CF622F /* CPUCompute.h in Headers */ = {isa = PBXBuildFile; fileRef = FC292C7D214255BC00CF622F /* CPUCompute.h */; settings = {ATTRIBUTES = (Public, ); }; };
 		FC292C872142624800CF622F /* Genet.swift in Sources */ = {isa = PBXBuildFile; fileRef = FC292C862142624800CF622F /* Genet.swift */; };
+		FC33B0F02147659000714A93 /* MobileNet.swift in Sources */ = {isa = PBXBuildFile; fileRef = FC33B0EF2147659000714A93 /* MobileNet.swift */; };
 		FC3602CC2108819F00FACB58 /* PaddleMobileUnitTest.swift in Sources */ = {isa = PBXBuildFile; fileRef = FC3602CB2108819F00FACB58 /* PaddleMobileUnitTest.swift */; };
 		FC4CB74920F0B954007C0C6D /* ConvKernel.metal in Sources */ = {isa = PBXBuildFile; fileRef = FC4CB74820F0B954007C0C6D /* ConvKernel.metal */; };
 		FC4CB74B20F12C30007C0C6D /* ProgramOptimize.swift in Sources */ = {isa = PBXBuildFile; fileRef = FC4CB74A20F12C30007C0C6D /* ProgramOptimize.swift */; };
@@ -169,6 +170,7 @@
 		FC292C7D214255BC00CF622F /* CPUCompute.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = CPUCompute.h; sourceTree = "<group>"; };
 		FC292C7E214255BC00CF622F /* MobileNetSSD.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MobileNetSSD.swift; sourceTree = "<group>"; };
 		FC292C862142624800CF622F /* Genet.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = Genet.swift; sourceTree = "<group>"; };
+		FC33B0EF2147659000714A93 /* MobileNet.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = MobileNet.swift; sourceTree = "<group>"; };
 		FC3602CB2108819F00FACB58 /* PaddleMobileUnitTest.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = PaddleMobileUnitTest.swift; sourceTree = "<group>"; };
 		FC4CB74820F0B954007C0C6D /* ConvKernel.metal */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.metal; path = ConvKernel.metal; sourceTree = "<group>"; };
 		FC4CB74A20F12C30007C0C6D /* ProgramOptimize.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ProgramOptimize.swift; sourceTree = "<group>"; };
@@ -278,6 +280,7 @@
 		FC039B6C20E11C3C0081E9F8 /* paddle-mobile */ = {
 			isa = PBXGroup;
 			children = (
+				FC33B0EF2147659000714A93 /* MobileNet.swift */,
 				FC292C862142624800CF622F /* Genet.swift */,
 				FC292C7E214255BC00CF622F /* MobileNetSSD.swift */,
 				FC292C7C214255BC00CF622F /* CPUCompute.mm */,
@@ -589,6 +592,7 @@
 				FCEBC0F420F1FDD90099DBAF /* ConvAddBatchNormReluOp.swift in Sources */,
 				FC0E2DC020EE461F009C1FAC /* ElementwiseAddKernel.swift in Sources */,
 				4AF928772133F1DB005B6C3A /* BoxCoder.metal in Sources */,
+				FC33B0F02147659000714A93 /* MobileNet.swift in Sources */,
 				FCEB684C212F093800D2448E /* PreluOp.swift in Sources */,
 				FCA67CD92138287B00BD58AA /* ConvBNReluKernel.metal in Sources */,
 				FC60DB8920E9AAA500FF203F /* MetalExtension.swift in Sources */,

metal/paddle-mobile/paddle-mobile/MobileNet.swift

@@ -17,12 +17,6 @@ import paddle_mobile
 
 class MobileNet: Net{
   
-  var means: [Float] = [123.68, 116.78, 103.94]
-  
-  var scale: Float = 0.017
-  
-  let except: Int = 0
-  
   class MobilenetPreProccess: CusomKernel {
     init(device: MTLDevice) {
       let s = CusomKernel.Shape.init(inWidth: 224, inHeight: 224, inChannel: 3)
@@ -49,7 +43,7 @@ class MobileNet: Net{
   
   let labels = PreWords.init(fileName: "synset")
   
-  func resultStr(res: [Float]) -> String {
+  override public 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))
@@ -57,17 +51,18 @@ class MobileNet: Net{
     return s.joined(separator: "\n")
   }
   
-  var preprocessKernel: CusomKernel
-  let dim = (n: 1, h: 224, w: 224, c: 3)
-  let modelPath: String
-  let paramPath: String
-  let modelDir: String
 
-  init(device: MTLDevice) {
+  
+  override init(device: MTLDevice) {
+    super.init(device: device)
+    means = [123.68, 116.78, 103.94]
+    scale = 0.017
+    except = 0
     modelPath = Bundle.main.path(forResource: "model", ofType: nil) ?! "model null"
     paramPath = Bundle.main.path(forResource: "params", ofType: nil) ?! "para null"
     modelDir = ""
     preprocessKernel = MobilenetPreProccess.init(device: device)
+    dim = (n: 1, h: 224, w: 224, c: 3)
   }
 }
 

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

@@ -37,7 +37,7 @@ public class Net: NSObject {
     fatalError()
   }
   func fetchResult(paddleMobileRes: ResultHolder) -> [Float32] {
-    fatalError()
+    return paddleMobileRes.resultArr
   }
   @objc public init(device: MTLDevice) {
     super.init()

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

@@ -59,8 +59,10 @@ public class Executor<P: PrecisionType> {
   var ops: [Runable & InferShaperable] = []
   let program: Program
   let device: MTLDevice
+  let inflightSemaphore: DispatchSemaphore
   let queue: MTLCommandQueue
   public init(inDevice:MTLDevice, inQueue: MTLCommandQueue, inProgram: Program) throws {
+    self.inflightSemaphore = DispatchSemaphore(value: 3)
     program = inProgram
     device = inDevice
     queue = inQueue
@@ -82,6 +84,9 @@ public class Executor<P: PrecisionType> {
     guard let buffer = queue.makeCommandBuffer() else {
       throw PaddleMobileError.predictError(message: "CommandBuffer is nil")
     }
+    inflightSemaphore.wait()
+
+    
     let resInput: MTLTexture
     if let inPre = preProcessKernle {
       do {
@@ -112,8 +117,8 @@ public class Executor<P: PrecisionType> {
       outputTextures = ops[ops.count - except].inputVariant()
     }
     
-    buffer.addCompletedHandler { (commandbuffer) in
-      
+    buffer.addCompletedHandler { [weak self] (commandbuffer) in
+//      return
 //      let inputArr = resInput.toTensor(dim: (n: dim[0], c: dim[3], h: dim[1], w: dim[2]))
 ////      print(inputArr.strideArray())
 //
@@ -139,18 +144,23 @@ public class Executor<P: PrecisionType> {
 
 //      return
       
+      guard let SSelf = self else {
+        fatalError()
+      }
+      
       let afterDate = Date.init()
       var resultHolder: ResultHolder
       if except > 0 {
         resultHolder = ResultHolder.init(inDim: [], inResult: [], inElapsedTime: afterDate.timeIntervalSince(beforeDate), inIntermediateResults: outputTextures)
       } else {
-        let outputVar: Variant = self.program.scope.output()!
+        let outputVar: Variant = SSelf.program.scope.output()!
         let output: Texture<P> = outputVar as! Texture<P>
         
         resultHolder = ResultHolder.init(inDim: output.dim.dims, inResult: output.toTensor(), inElapsedTime: afterDate.timeIntervalSince(beforeDate))
       }
 
       completionHandle(resultHolder)
+      SSelf.inflightSemaphore.signal()
     }
     buffer.commit()
   }