* support download bm_sdk, test=develop (#3093)

lite/kernels/bm/bridges/graph.cc

@@ -25,7 +25,11 @@ void Graph::AddNode(const std::string& name) {
 }
 
 void Graph::CreateCompilerHandle() {
+#ifdef BM1682
+  compiler_handle_ = create_bmcompiler("BM1682");
+#else
   compiler_handle_ = create_bmcompiler("BM1684");
+#endif
   CHECK(compiler_handle_ != nullptr);
 }
 

lite/kernels/bm/subgraph_compute.cc

@@ -34,7 +34,6 @@ int SubgraphEngine::BuildDeviceProgram() {
   const auto& bridges = subgraph::Registry::Instance();
   graph.CreateCompilerHandle();
   auto& ctx = this->ctx_->template As<BMContext>();
-  int kk = 0;
   for (auto& inst : origin_program_) {
     auto op = inst.op();
     CHECK(op);

lite/kernels/npu/bridges/engine.cc

@@ -56,12 +56,11 @@ int Engine::BuildOriginProgram() {
     } else {
       VLOG(3) << "The attr '" << kKernelTypeAttr
               << "' not found, pick the first kernel for " << op_type;
+      std::vector<std::unique_ptr<KernelBase>> kernels;
 #if defined(LITE_WITH_ARM)
-      auto kernels =
-          op->CreateKernels({Place{TARGET(kARM)}, Place{TARGET(kHost)}});
+      kernels = op->CreateKernels({Place{TARGET(kARM)}, Place{TARGET(kHost)}});
 #elif defined(LITE_WITH_X86)
-      auto kernels =
-          op->CreateKernels({Place{TARGET(kX86)}, Place{TARGET(kHost)}});
+      kernels = op->CreateKernels({Place{TARGET(kX86)}, Place{TARGET(kHost)}});
 #endif
       if (kernels.size() > 0) {
         picked_kernel = std::move(kernels.front());

lite/tools/build_bm.sh

@@ -2,7 +2,7 @@
 set -ex
 
 # global variables with default value
-BM_SDK_ROOT="$(pwd)/../BM_SDK"     # BM SDK
+BM_SDK_ROOT="$(pwd)/third-party/bmlibs/bm_sc3_libs"     # BM SDK
 TARGET_NAME="BM1682"     # default target
 BUILD_EXTRA=OFF                     # ON(with sequence ops)/OFF
 WITH_TESTING=ON                    # ON/OFF
@@ -39,6 +39,11 @@ function prepare_thirdparty {
     else
         git submodule update --init --recursive
     fi
+
+    # clone bmlibs
+    if [ ! -d ${workspace}/third-party/bmlibs ]; then
+        git clone https://github.com/AnBaolei1984/bmlibs.git ${workspace}/third-party/bmlibs
+    fi     
 }
 
 # for code gen, a source file is generated after a test, but is dependended by some targets in cmake.
@@ -70,8 +75,8 @@ function build_bm {
         ${CMAKE_COMMON_OPTIONS} \
         -DWITH_GPU=OFF \
         -DWITH_MKLDNN=OFF \
-        -DLITE_WITH_X86=ON \
-        -DWITH_MKL=ON \
+        -DLITE_WITH_X86=OFF \
+        -DWITH_MKL=OFF \
         -DLITE_BUILD_EXTRA=ON \
         -DLITE_WITH_XPU=OFF \
         -DLITE_WITH_BM=ON \
@@ -92,10 +97,10 @@ function main {
                 TARGET_NAME="${i#*=}"
                 shift
                 ;;
-            --bm_sdk_root=*)
-                BM_SDK_ROOT="${i#*=}"
-                shift
-                ;;
+            #--bm_sdk_root=*)
+            #    BM_SDK_ROOT="${i#*=}"
+            #    shift
+            #    ;;
             bm)
                 build_bm
                 shift