1/* Copyright 2019 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
7http://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#ifndef TENSORFLOW_CORE_KERNELS_COLLECTIVE_NCCL_GATHERER_H_
16#define TENSORFLOW_CORE_KERNELS_COLLECTIVE_NCCL_GATHERER_H_
17
18#include "tensorflow/core/kernels/collective_nccl.h"
19
20namespace tensorflow {
21#if GOOGLE_CUDA || TENSORFLOW_USE_ROCM
22
23class NcclGatherer : public NcclBase {
24 public:
25 NcclGatherer() : NcclBase(GATHER_COLLECTIVE, "NcclGather") {}
26 ~NcclGatherer() override = default;
27
28 // Hands off all-gather to NcclManager.
29 void Run(StatusCallback done) override;
30};
31
32#endif // GOOGLE_CUDA || TENSORFLOW_USE_ROCM
33} // namespace tensorflow
34
35#endif // TENSORFLOW_CORE_KERNELS_COLLECTIVE_NCCL_GATHERER_H_
36