1 | /* Copyright 2015 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_MAXPOOLING_OP_H_ |
17 | #define TENSORFLOW_CORE_KERNELS_MAXPOOLING_OP_H_ |
18 | // Functor definition for MaxPoolingOp, must be compilable by nvcc. |
19 | |
20 | #include "tensorflow/core/framework/numeric_types.h" |
21 | #include "tensorflow/core/framework/tensor_types.h" |
22 | #include "tensorflow/core/framework/type_traits.h" |
23 | #include "tensorflow/core/kernels/eigen_pooling.h" |
24 | #include "tensorflow/core/platform/types.h" |
25 | |
26 | namespace tensorflow { |
27 | namespace functor { |
28 | |
29 | template <typename Device, typename T> |
30 | struct SpatialMaxPooling { |
31 | void operator()(const Device& d, typename TTypes<T, 4>::Tensor output, |
32 | typename TTypes<T, 4>::ConstTensor input, int window_rows, |
33 | int window_cols, int row_stride, int col_stride, |
34 | const Eigen::PaddingType& padding) { |
35 | // Because we swap the layout, we swap the row/cols as well |
36 | output.swap_layout().device(d) = |
37 | Eigen::SpatialMaxPooling(input.swap_layout(), window_cols, window_rows, |
38 | col_stride, row_stride, padding); |
39 | } |
40 | }; |
41 | |
42 | template <typename Device> |
43 | struct SpatialMaxPooling<Device, qint8> { |
44 | void operator()(const Device& d, typename TTypes<qint8, 4>::Tensor output, |
45 | typename TTypes<qint8, 4>::ConstTensor input, int window_rows, |
46 | int window_cols, int row_stride, int col_stride, |
47 | const Eigen::PaddingType& padding) {} |
48 | }; |
49 | |
50 | } // namespace functor |
51 | |
52 | } // namespace tensorflow |
53 | |
54 | #endif // TENSORFLOW_CORE_KERNELS_MAXPOOLING_OP_H_ |
55 | |