1/* Copyright 2015 The TensorFlow Authors. All Rights Reserved.
2
3Licensed under the Apache License, Version 2.0 (the "License");
4you may not use this file except in compliance with the License.
5You may obtain a copy of the License at
6
7 http://www.apache.org/licenses/LICENSE-2.0
8
9Unless required by applicable law or agreed to in writing, software
10distributed under the License is distributed on an "AS IS" BASIS,
11WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12See the License for the specific language governing permissions and
13limitations under the License.
14==============================================================================*/
15
16#if GOOGLE_CUDA || TENSORFLOW_USE_ROCM
17
18#include "tensorflow/core/kernels/gather_functor.h"
19#include "tensorflow/core/framework/register_types.h"
20
21namespace tensorflow {
22
23typedef Eigen::GpuDevice GPUDevice;
24
25namespace functor {
26
27// Forward declarations of the functor specializations for GPU.
28#define DECLARE_GPU_SPECS_INDEX(T, Index) \
29 template <> \
30 int64_t GatherFunctor<GPUDevice, T, Index>::operator()( \
31 OpKernelContext* ctx, typename TTypes<T, 3>::ConstTensor Tparams, \
32 typename TTypes<Index>::ConstFlat Tindices, \
33 typename TTypes<T, 3>::Tensor Tout); \
34 extern template struct GatherFunctor<GPUDevice, T, Index>;
35
36#define DECLARE_GPU_SPECS(T) \
37 DECLARE_GPU_SPECS_INDEX(T, int32); \
38 DECLARE_GPU_SPECS_INDEX(T, int64_t)
39
40TF_CALL_int64(DECLARE_GPU_SPECS);
41TF_CALL_GPU_NUMBER_TYPES(DECLARE_GPU_SPECS);
42TF_CALL_COMPLEX_TYPES(DECLARE_GPU_SPECS);
43
44#undef DECLARE_GPU_SPECS
45#undef DECLARE_GPU_SPECS_INDEX
46
47} // namespace functor
48} // namespace tensorflow
49
50#else
51
52#include "tensorflow/core/kernels/gather_functor.h"
53
54#endif // GOOGLE_CUDA || TENSORFLOW_USE_ROCM
55