1 | /* Copyright 2017 The TensorFlow Authors. All Rights Reserved. |
2 | |
3 | Licensed under the Apache License, Version 2.0 (the "License"); |
4 | you may not use this file except in compliance with the License. |
5 | You may obtain a copy of the License at |
6 | |
7 | http://www.apache.org/licenses/LICENSE-2.0 |
8 | |
9 | Unless required by applicable law or agreed to in writing, software |
10 | distributed under the License is distributed on an "AS IS" BASIS, |
11 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
12 | See the License for the specific language governing permissions and |
13 | limitations under the License. |
14 | ==============================================================================*/ |
15 | |
16 | #ifndef TENSORFLOW_CORE_KERNELS_SNAPSHOT_OP_H_ |
17 | #define TENSORFLOW_CORE_KERNELS_SNAPSHOT_OP_H_ |
18 | |
19 | #if GOOGLE_CUDA || TENSORFLOW_USE_ROCM |
20 | #define EIGEN_USE_GPU |
21 | #endif |
22 | |
23 | #define EIGEN_USE_THREADS |
24 | |
25 | #include "third_party/eigen3/unsupported/Eigen/CXX11/Tensor" |
26 | #include "tensorflow/core/framework/op_kernel.h" |
27 | |
28 | namespace tensorflow { |
29 | namespace functor { |
30 | |
31 | // Functor used by SnapshotOp. |
32 | template <typename Device, typename Scalar> |
33 | struct Snapshot { |
34 | void operator()(const Device& device, |
35 | typename TTypes<Scalar>::ConstTensor input, |
36 | typename TTypes<Scalar>::Tensor output) { |
37 | device.memcpy(output.data(), input.data(), input.size() * sizeof(Scalar)); |
38 | } |
39 | }; |
40 | |
41 | } // namespace functor |
42 | } // namespace tensorflow |
43 | |
44 | #endif // TENSORFLOW_CORE_KERNELS_SNAPSHOT_OP_H_ |
45 | |