Sanghoon Lee | 9688378 | 2017-09-15 14:10:48 +0100 | [diff] [blame] | 1 | /* |
Giorgio Arena | 1167487 | 2018-02-07 15:38:12 +0000 | [diff] [blame] | 2 | * Copyright (c) 2017-2018 ARM Limited. |
Sanghoon Lee | 9688378 | 2017-09-15 14:10:48 +0100 | [diff] [blame] | 3 | * |
| 4 | * SPDX-License-Identifier: MIT |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | * of this software and associated documentation files (the "Software"), to |
| 8 | * deal in the Software without restriction, including without limitation the |
| 9 | * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| 10 | * sell copies of the Software, and to permit persons to whom the Software is |
| 11 | * furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in all |
| 14 | * copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 19 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 22 | * SOFTWARE. |
| 23 | */ |
| 24 | #include "BatchNormalizationLayer.h" |
| 25 | |
Giorgio Arena | 1167487 | 2018-02-07 15:38:12 +0000 | [diff] [blame] | 26 | #include "ActivationLayer.h" |
| 27 | |
Sanghoon Lee | 9688378 | 2017-09-15 14:10:48 +0100 | [diff] [blame] | 28 | #include "tests/validation/Helpers.h" |
| 29 | |
| 30 | namespace arm_compute |
| 31 | { |
| 32 | namespace test |
| 33 | { |
| 34 | namespace validation |
| 35 | { |
| 36 | namespace reference |
| 37 | { |
Sanghoon Lee | 9688378 | 2017-09-15 14:10:48 +0100 | [diff] [blame] | 38 | // Batch Normalization Layer for floating point type |
| 39 | template <typename T, typename std::enable_if<is_floating_point<T>::value, int>::type *> |
| 40 | SimpleTensor<T> batch_normalization_layer(const SimpleTensor<T> &src, const SimpleTensor<T> &mean, const SimpleTensor<T> &var, const SimpleTensor<T> &beta, const SimpleTensor<T> &gamma, float epsilon, |
Vidhya Sudhan Loganathan | 014333d | 2018-07-02 09:13:49 +0100 | [diff] [blame] | 41 | ActivationLayerInfo act_info) |
Sanghoon Lee | 9688378 | 2017-09-15 14:10:48 +0100 | [diff] [blame] | 42 | { |
Giorgio Arena | 563494c | 2018-04-30 17:29:41 +0100 | [diff] [blame] | 43 | SimpleTensor<T> result(src.shape(), src.data_type()); |
Sanghoon Lee | 9688378 | 2017-09-15 14:10:48 +0100 | [diff] [blame] | 44 | |
Giorgio Arena | 563494c | 2018-04-30 17:29:41 +0100 | [diff] [blame] | 45 | const auto cols = static_cast<int>(src.shape()[0]); |
| 46 | const auto rows = static_cast<int>(src.shape()[1]); |
| 47 | const auto depth = static_cast<int>(src.shape()[2]); |
| 48 | const int upper_dims = src.shape().total_size() / (cols * rows * depth); |
Sanghoon Lee | 9688378 | 2017-09-15 14:10:48 +0100 | [diff] [blame] | 49 | |
| 50 | for(int r = 0; r < upper_dims; ++r) |
| 51 | { |
| 52 | for(int i = 0; i < depth; ++i) |
| 53 | { |
| 54 | for(int k = 0; k < rows; ++k) |
| 55 | { |
| 56 | for(int l = 0; l < cols; ++l) |
| 57 | { |
| 58 | const int pos = l + k * cols + i * rows * cols + r * cols * rows * depth; |
| 59 | const float denominator = sqrt(var[i] + epsilon); |
Giorgio Arena | 563494c | 2018-04-30 17:29:41 +0100 | [diff] [blame] | 60 | const float numerator = src[pos] - mean[i]; |
Sanghoon Lee | 9688378 | 2017-09-15 14:10:48 +0100 | [diff] [blame] | 61 | const float x_bar = numerator / denominator; |
| 62 | result[pos] = beta[i] + x_bar * gamma[i]; |
| 63 | } |
| 64 | } |
| 65 | } |
| 66 | } |
Giorgio Arena | 1167487 | 2018-02-07 15:38:12 +0000 | [diff] [blame] | 67 | |
| 68 | if(act_info.enabled()) |
| 69 | { |
| 70 | result = activation_layer(result, act_info); |
| 71 | } |
| 72 | |
Sanghoon Lee | 9688378 | 2017-09-15 14:10:48 +0100 | [diff] [blame] | 73 | return result; |
| 74 | } |
| 75 | template SimpleTensor<float> batch_normalization_layer(const SimpleTensor<float> &src, const SimpleTensor<float> &mean, const SimpleTensor<float> &var, const SimpleTensor<float> &beta, |
Vidhya Sudhan Loganathan | 014333d | 2018-07-02 09:13:49 +0100 | [diff] [blame] | 76 | const SimpleTensor<float> &gamma, float epsilon, ActivationLayerInfo act_info); |
Sanghoon Lee | 9688378 | 2017-09-15 14:10:48 +0100 | [diff] [blame] | 77 | template SimpleTensor<half> batch_normalization_layer(const SimpleTensor<half> &src, const SimpleTensor<half> &mean, const SimpleTensor<half> &var, |
| 78 | const SimpleTensor<half> &beta, |
Vidhya Sudhan Loganathan | 014333d | 2018-07-02 09:13:49 +0100 | [diff] [blame] | 79 | const SimpleTensor<half> &gamma, float epsilon, ActivationLayerInfo act_info); |
Sanghoon Lee | 9688378 | 2017-09-15 14:10:48 +0100 | [diff] [blame] | 80 | } // namespace reference |
| 81 | } // namespace validation |
| 82 | } // namespace test |
| 83 | } // namespace arm_compute |