merge is_test feature for pooling op(mkldnn)

paddle/fluid/operators/pool_mkldnn_op.cc

@@ -87,6 +87,8 @@ class PoolMKLDNNOpKernel : public paddle::framework::OpKernel<T> {
     std::vector<int> ksize = ctx.Attr<std::vector<int>>("ksize");
     std::vector<int> strides = ctx.Attr<std::vector<int>>("strides");
     std::vector<int> paddings = ctx.Attr<std::vector<int>>("paddings");
+    bool is_test = ctx.Attr<bool>("is_test");
+
     if (ctx.Attr<bool>("global_pooling")) {
       for (size_t i = 0; i < ksize.size(); ++i) {
         paddings[i] = 0;
@@ -145,17 +147,11 @@ class PoolMKLDNNOpKernel : public paddle::framework::OpKernel<T> {
       std::shared_ptr<mkldnn::pooling_forward::primitive_desc> pool_pd =
           CreatePrimitiveDesc(src_md, dst_md, propagation, strides, padding_left_top,
                               padding_right_bottom, ksize, pooling_type,
-                              mkldnn_engine, ceil_mode);
+                              mkldnn_engine, ceil_mode,is_test);
 
       // save pool_pd into global device context to be referred in backward path
       dev_ctx.SetBlob(key_pool_pd, pool_pd);
 
-      std::shared_ptr<mkldnn::memory> workspace_memory =
-          CreateWorkspaceMemory(pool_pd, pooling_type, mkldnn_engine);
-
-      // save pool_workspace_memory to be referred in backward path
-      dev_ctx.SetBlob(key_pool_workspace_memory, workspace_memory);
-
       auto src_memory = std::make_shared<memory>(pool_pd->src_primitive_desc(),
                                                  to_void_cast<T>(input_data));
       auto dst_memory =
@@ -164,14 +160,17 @@ class PoolMKLDNNOpKernel : public paddle::framework::OpKernel<T> {
       dev_ctx.SetBlob(key_pool_src_mem_p, src_memory);
       dev_ctx.SetBlob(key_pool_dst_mem_p, dst_memory);
 
-      if (propagation == mkldnn::prop_kind::forward_training) {
-          pool_p = std::make_shared<pooling_forward>(*pool_pd, *(src_memory.get()),
-                                                 *(dst_memory.get()),
+      if (is_test) {
+        pool_p = std::make_shared<pooling_forward>(
+            *pool_pd, *(src_memory.get()), *(dst_memory.get()));
+      } else {
+        std::shared_ptr<mkldnn::memory> workspace_memory =
+            CreateWorkspaceMemory(pool_pd, pooling_type, mkldnn_engine);
+         // save pool_workspace_memory to be referred in backward path
+        dev_ctx.SetBlob(key_pool_workspace_memory, workspace_memory);
+        pool_p = std::make_shared<pooling_forward>(
+            *pool_pd, *(src_memory.get()), *(dst_memory.get()),
             *workspace_memory);
-      } else{
-          pool_p = std::make_shared<pooling_forward>(*pool_pd, *(src_memory.get()),
-                                                 *(dst_memory.get()));//,
-                                                 //*workspace_memory);
       }
 
       dev_ctx.SetBlob(key_pool_p, pool_p);
@@ -211,9 +210,14 @@ class PoolMKLDNNOpKernel : public paddle::framework::OpKernel<T> {
       const std::vector<int>& stride, const std::vector<int>& padding_left_top,
       const std::vector<int>& padding_right_bot, const std::vector<int>& kernel,
       const std::string& pooling_type, const mkldnn::engine& engine,
-      bool ceil_mode) const {
+      bool ceil_mode, bool is_test) const {
+
+      auto mkldnn_forward_prop_kind = is_test
+                                            ? mkldnn::prop_kind::forward_inference
+                                            : mkldnn::prop_kind::forward_training;
+      std::cout<<is_test<<" "<<__LINE__<<std::endl;
       auto pool_desc = mkldnn::pooling_forward::desc(
-        propagation,
+        mkldnn_forward_prop_kind,
         pooling_type == "max" ? mkldnn::algorithm::pooling_max
                               : mkldnn::algorithm::pooling_avg,
         src, dst, stride, kernel, padding_left_top, padding_right_bot,

paddle/fluid/operators/pool_op.cc

@@ -206,6 +206,11 @@ void Pool2dOpMaker::Make() {
       "Defaults to \"NHWC\". Specify the data format of the output data, "
       "the input will be transformed automatically. ")
       .SetDefault("AnyLayout");
+  AddAttr<bool>("is_test",
+      "(bool, default false) If true, the forward pass is not "
+      "part of training."
+      "MKL-DNN might be faster if this is set to true.")
+  .SetDefault(false);
   // TODO(dzhwinter): need to registered layout transform function
 
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