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_COMPILER_XLA_CLIENT_LIB_CONV_GRAD_SIZE_UTIL_H_ 17 #define TENSORFLOW_COMPILER_XLA_CLIENT_LIB_CONV_GRAD_SIZE_UTIL_H_ 18 19 #include "tensorflow/compiler/xla/client/padding.h" 20 21 namespace xla { 22 23 // Information about a single spatial dimension for a convolution gradients and 24 // windowed operations. 25 struct SpatialDimensionOutputSizeAndPadding { 26 // Effective size of the operation output (potentially expanded). 27 int64_t output_size; 28 // Number of padding elements to be added before/after this dimension of 29 // the input when computing the input gradient. 30 int64_t pad_before; 31 int64_t pad_after; 32 }; 33 34 // Verifies that the dimensions all match, and computes the size and padding of 35 // a spatial dimension for convolution gradient operations. 36 StatusOr<SpatialDimensionOutputSizeAndPadding> 37 ConvGradExtractAndVerifyDimension(int64_t input_size, int64_t filter_size, 38 int64_t output_size, int64_t dilation, 39 int64_t stride, Padding padding); 40 41 } // namespace xla 42 43 #endif // TENSORFLOW_COMPILER_XLA_CLIENT_LIB_CONV_GRAD_SIZE_UTIL_H_ 44