checkpoint pr be moved here, test=develop

paddle/fluid/operators/load_combine_op.cu

@@ -21,4 +21,5 @@ REGISTER_OP_CUDA_KERNEL(
     ops::LoadCombineOpKernel<paddle::platform::CUDADeviceContext, float>,
     ops::LoadCombineOpKernel<paddle::platform::CUDADeviceContext, double>,
     ops::LoadCombineOpKernel<paddle::platform::CUDADeviceContext, int>,
+    ops::LoadCombineOpKernel<paddle::platform::CUDADeviceContext, int8_t>,
     ops::LoadCombineOpKernel<paddle::platform::CUDADeviceContext, int64_t>);

paddle/fluid/operators/load_op.cu

@@ -20,4 +20,5 @@ REGISTER_OP_CUDA_KERNEL(
     load, ops::LoadOpKernel<paddle::platform::CUDADeviceContext, float>,
     ops::LoadOpKernel<paddle::platform::CUDADeviceContext, double>,
     ops::LoadOpKernel<paddle::platform::CUDADeviceContext, int>,
+    ops::LoadOpKernel<paddle::platform::CUDADeviceContext, int8_t>,
     ops::LoadOpKernel<paddle::platform::CUDADeviceContext, int64_t>);

paddle/fluid/operators/save_combine_op.cu

@@ -21,4 +21,5 @@ REGISTER_OP_CUDA_KERNEL(
     ops::SaveCombineOpKernel<paddle::platform::CUDADeviceContext, float>,
     ops::SaveCombineOpKernel<paddle::platform::CUDADeviceContext, double>,
     ops::SaveCombineOpKernel<paddle::platform::CUDADeviceContext, int>,
+    ops::SaveCombineOpKernel<paddle::platform::CUDADeviceContext, int8_t>,
     ops::SaveCombineOpKernel<paddle::platform::CUDADeviceContext, int64_t>);

paddle/fluid/operators/save_op.cu

@@ -21,6 +21,7 @@ REGISTER_OP_CUDA_KERNEL(
     save, ops::SaveOpKernel<paddle::platform::CUDADeviceContext, float>,
     ops::SaveOpKernel<paddle::platform::CUDADeviceContext, double>,
     ops::SaveOpKernel<paddle::platform::CUDADeviceContext, int>,
+    ops::SaveOpKernel<paddle::platform::CUDADeviceContext, int8_t>,
     ops::SaveOpKernel<paddle::platform::CUDADeviceContext, int64_t>,
     ops::SaveOpKernel<paddle::platform::CUDADeviceContext,
                       paddle::platform::float16>);