Merge pull request #6374 from reyoung/feature/remove_device_context_finish

Remove DeviceContext::Finish

Author: qingqing01

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;