Merge pull request #6374 from reyoung/feature/remove_device_context_finish

Remove DeviceContext::Finish

paddle/platform/device_context.cc

@@ -122,10 +122,6 @@ Place CUDADeviceContext::GetPlace() const { return place_; }
 
 void CUDADeviceContext::Wait() const {
   PADDLE_ENFORCE(cudaStreamSynchronize(stream_));
-}
-
-void CUDADeviceContext::Finish() const {
-  Wait();
   PADDLE_ENFORCE(cudaGetLastError());
 }
 

paddle/platform/device_context.h

@@ -46,8 +46,6 @@ class DeviceContext {
   DeviceType* GetEigenDevice() const;
 
   virtual void Wait() const {}
-
-  virtual void Finish() const {}
 };
 
 class CPUDeviceContext : public DeviceContext {
@@ -79,9 +77,6 @@ class CUDADeviceContext : public DeviceContext {
   /*! \brief  Wait for all operations completion in the stream. */
   void Wait() const override;
 
-  /*! \brief  Check potential errors for the cuda kernel calls. */
-  void Finish() const override;
-
   /*! \brief  Return place in the device context. */
   Place GetPlace() const override;