add InjectVariable function for FPGA track

src/io/executor.cpp

@@ -645,15 +645,22 @@ std::vector<typename Executor<Dtype, P>::Ptype> Executor<Dtype, P>::Predict(
 }
 
 #ifdef PADDLE_MOBILE_FPGA
+
 template <typename Dtype, Precision P>
-void Executor<Dtype, P>::FeedData(const framework::Tensor &t) {
-  framework::Variable *g_feed_value = program_.scope->Var("feed");
+void Executor<Dtype, P>::InjectVariable(const framework::Tensor &t,
+                                        string var_name) {
+  framework::Variable *g_feed_value = program_.scope->Var(var_name);
   framework::Tensor *feed_tensor =
       g_feed_value->GetMutable<framework::LoDTensor>();
   feed_tensor->Resize(t.dims());
   feed_tensor->ShareDataWith(t);
 };
 
+template <typename Dtype, Precision P>
+void Executor<Dtype, P>::FeedData(const framework::Tensor &t) {
+  InjectVariable(t, "feed");
+};
+
 template <typename Dtype, Precision P>
 std::shared_ptr<framework::Tensor> Executor<Dtype, P>::FetchResult() {
   std::shared_ptr<framework::BlockDesc> to_predict_block =

src/io/executor.h

@@ -30,6 +30,7 @@ limitations under the License. */
 #include <thread>
 #include "common/dep_core.h"
 #endif
+using std::string;
 
 namespace paddle_mobile {
 
@@ -94,7 +95,9 @@ class Executor {
                       framework::LoDTensor *tensor) const;
 
 #ifdef PADDLE_MOBILE_FPGA
+
  public:
+  void InjectVariable(const framework::Tensor &t, string var_name);
   void FeedData(const framework::Tensor &t);
   std::shared_ptr<framework::Tensor> FetchResult();
   void Predict_From_To(int start = 0, int end = -1);

src/io/paddle_mobile.cpp

@@ -125,9 +125,16 @@ PaddleMobile<Dtype, P>::~PaddleMobile() {
 }
 
 #ifdef PADDLE_MOBILE_FPGA
+
+template <typename Dtype, Precision P>
+void PaddleMobile<Dtype, P>::InjectVariable(const framework::Tensor &t,
+                                            string var_name) {
+  executor_->InjectVariable(t, var_name);
+}
+
 template <typename Dtype, Precision P>
 void PaddleMobile<Dtype, P>::FeedData(const framework::Tensor &t) {
-  return executor_->FeedData(t);
+  executor_->FeedData(t);
 };
 
 template <typename Dtype, Precision P>

src/io/paddle_mobile.h

@@ -95,6 +95,7 @@ class PaddleMobile {
 
 #ifdef PADDLE_MOBILE_FPGA
  public:
+  void InjectVariable(const framework::Tensor &t, string var_name);
   void FeedData(const framework::Tensor &t);
   std::shared_ptr<framework::Tensor> FetchResult();
   void Predict_From_To(int start = 0, int end = -1);