Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2017 ARM Limited. |
| 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 | #ifndef __ARM_COMPUTE_TEST_VALIDATION_HELPERS_H__ |
| 25 | #define __ARM_COMPUTE_TEST_VALIDATION_HELPERS_H__ |
| 26 | |
| 27 | #include "Types.h" |
Isabella Gottardi | 3b77e9d | 2017-06-22 11:05:41 +0100 | [diff] [blame] | 28 | #include "ValidationUserConfiguration.h" |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 29 | |
Georgios Pinitas | 7b7858d | 2017-06-21 16:44:24 +0100 | [diff] [blame^] | 30 | #include "arm_compute/core/Types.h" |
| 31 | |
| 32 | #include <random> |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 33 | #include <type_traits> |
| 34 | #include <utility> |
Georgios Pinitas | 7b7858d | 2017-06-21 16:44:24 +0100 | [diff] [blame^] | 35 | #include <vector> |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 36 | |
| 37 | namespace arm_compute |
| 38 | { |
| 39 | namespace test |
| 40 | { |
| 41 | namespace validation |
| 42 | { |
| 43 | /** Helper function to get the testing range for each activation layer. |
| 44 | * |
| 45 | * @param[in] activation Activation function to test. |
| 46 | * @param[in] fixed_point_position (Optional) Number of bits for the fractional part. Defaults to 1. |
| 47 | * |
| 48 | * @return A pair containing the lower upper testing bounds for a given function. |
| 49 | */ |
| 50 | template <typename T> |
| 51 | std::pair<T, T> get_activation_layer_test_bounds(ActivationLayerInfo::ActivationFunction activation, int fixed_point_position = 1) |
| 52 | { |
| 53 | bool is_float = std::is_floating_point<T>::value; |
| 54 | std::pair<T, T> bounds; |
| 55 | |
| 56 | // Set initial values |
| 57 | if(is_float) |
| 58 | { |
| 59 | bounds = std::make_pair(-255.f, 255.f); |
| 60 | } |
| 61 | else |
| 62 | { |
| 63 | bounds = std::make_pair(std::numeric_limits<T>::lowest(), std::numeric_limits<T>::max()); |
| 64 | } |
| 65 | |
| 66 | // Reduce testing ranges |
| 67 | switch(activation) |
| 68 | { |
| 69 | case ActivationLayerInfo::ActivationFunction::LOGISTIC: |
| 70 | case ActivationLayerInfo::ActivationFunction::SOFT_RELU: |
| 71 | // Reduce range as exponent overflows |
| 72 | if(is_float) |
| 73 | { |
| 74 | bounds.first = -40.f; |
| 75 | bounds.second = 40.f; |
| 76 | } |
| 77 | else |
| 78 | { |
| 79 | bounds.first = -(1 << (fixed_point_position)); |
| 80 | bounds.second = 1 << (fixed_point_position); |
| 81 | } |
| 82 | break; |
| 83 | case ActivationLayerInfo::ActivationFunction::TANH: |
| 84 | // Reduce range as exponent overflows |
| 85 | if(!is_float) |
| 86 | { |
| 87 | bounds.first = -(1 << (fixed_point_position)); |
| 88 | bounds.second = 1 << (fixed_point_position); |
| 89 | } |
| 90 | break; |
| 91 | case ActivationLayerInfo::ActivationFunction::SQRT: |
| 92 | // Reduce range as sqrt should take a non-negative number |
| 93 | bounds.first = (is_float) ? 0 : 1 << (fixed_point_position); |
| 94 | break; |
| 95 | default: |
| 96 | break; |
| 97 | } |
| 98 | return bounds; |
| 99 | } |
| 100 | |
| 101 | /** Helper function to get the testing range for batch normalization layer. |
| 102 | * |
| 103 | * @param[in] fixed_point_position (Optional) Number of bits for the fractional part. Defaults to 1. |
| 104 | * |
| 105 | * @return A pair containing the lower upper testing bounds. |
| 106 | */ |
| 107 | template <typename T> |
| 108 | std::pair<T, T> get_batchnormalization_layer_test_bounds(int fixed_point_position = 1) |
| 109 | { |
| 110 | bool is_float = std::is_floating_point<T>::value; |
| 111 | std::pair<T, T> bounds; |
| 112 | |
| 113 | // Set initial values |
| 114 | if(is_float) |
| 115 | { |
| 116 | bounds = std::make_pair(-1.f, 1.f); |
| 117 | } |
| 118 | else |
| 119 | { |
| 120 | bounds = std::make_pair(1, 1 << (fixed_point_position)); |
| 121 | } |
| 122 | |
| 123 | return bounds; |
| 124 | } |
Isabella Gottardi | 3b77e9d | 2017-06-22 11:05:41 +0100 | [diff] [blame] | 125 | |
| 126 | /** Fill mask with the corresponding given pattern. |
| 127 | * |
| 128 | * @param[in,out] mask Mask to be filled according to pattern |
| 129 | * @param[in] cols Columns (width) of mask |
| 130 | * @param[in] rows Rows (height) of mask |
| 131 | * @param[in] pattern Pattern to fill the mask according to |
| 132 | */ |
| 133 | inline void fill_mask_from_pattern(uint8_t *mask, int cols, int rows, MatrixPattern pattern) |
| 134 | { |
| 135 | unsigned int v = 0; |
| 136 | std::mt19937 gen(user_config.seed.get()); |
| 137 | std::bernoulli_distribution dist(0.5); |
| 138 | |
| 139 | for(int r = 0; r < rows; ++r) |
| 140 | { |
| 141 | for(int c = 0; c < cols; ++c, ++v) |
| 142 | { |
| 143 | uint8_t val = 0; |
| 144 | |
| 145 | switch(pattern) |
| 146 | { |
| 147 | case MatrixPattern::BOX: |
| 148 | val = 255; |
| 149 | break; |
| 150 | case MatrixPattern::CROSS: |
| 151 | val = ((r == (rows / 2)) || (c == (cols / 2))) ? 255 : 0; |
| 152 | break; |
| 153 | case MatrixPattern::DISK: |
| 154 | val = (((r - rows / 2.0f + 0.5f) * (r - rows / 2.0f + 0.5f)) / ((rows / 2.0f) * (rows / 2.0f)) + ((c - cols / 2.0f + 0.5f) * (c - cols / 2.0f + 0.5f)) / ((cols / 2.0f) * |
| 155 | (cols / 2.0f))) <= 1.0f ? 255 : 0; |
| 156 | break; |
| 157 | case MatrixPattern::OTHER: |
| 158 | val = (dist(gen) ? 0 : 255); |
| 159 | break; |
| 160 | default: |
| 161 | return; |
| 162 | } |
| 163 | |
| 164 | mask[v] = val; |
| 165 | } |
| 166 | } |
| 167 | |
| 168 | if(pattern == MatrixPattern::OTHER) |
| 169 | { |
| 170 | std::uniform_int_distribution<uint8_t> distribution_u8(0, ((cols * rows) - 1)); |
| 171 | mask[distribution_u8(gen)] = 255; |
| 172 | } |
| 173 | } |
| 174 | |
Georgios Pinitas | 7b7858d | 2017-06-21 16:44:24 +0100 | [diff] [blame^] | 175 | /** Create a vector of random ROIs. |
| 176 | * |
| 177 | * @param[in] shape The shape of the input tensor. |
| 178 | * @param[in] pool_info The ROI pooling information. |
| 179 | * @param[in] num_rois The number of ROIs to be created. |
| 180 | * @param[in] seed The random seed to be used. |
| 181 | * |
| 182 | * @return A vector that contains the requested number of random ROIs |
| 183 | */ |
| 184 | std::vector<ROI> generate_random_rois(const TensorShape &shape, const ROIPoolingLayerInfo &pool_info, unsigned int num_rois, std::random_device::result_type seed); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 185 | } // namespace validation |
| 186 | } // namespace test |
| 187 | } // namespace arm_compute |
| 188 | #endif //__ARM_COMPUTE_TEST_VALIDATION_HELPERS_H__ |