Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 1 | /* |
Georgios Pinitas | 4c5469b | 2019-05-21 13:32:43 +0100 | [diff] [blame] | 2 | * Copyright (c) 2017-2019 ARM Limited. |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +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 "arm_compute/core/NEON/kernels/NESoftmaxLayerKernel.h" |
| 25 | |
| 26 | #include "arm_compute/core/AccessWindowStatic.h" |
Anthony Barbier | eaefd00 | 2018-07-20 17:49:35 +0100 | [diff] [blame] | 27 | #include "arm_compute/core/CPP/Validate.h" |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 28 | #include "arm_compute/core/Error.h" |
| 29 | #include "arm_compute/core/Helpers.h" |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 30 | #include "arm_compute/core/ITensor.h" |
| 31 | #include "arm_compute/core/NEON/NEFixedPoint.h" |
| 32 | #include "arm_compute/core/NEON/NEMath.h" |
Manuel Bottini | 21079dd | 2019-10-29 17:20:09 +0000 | [diff] [blame] | 33 | #include "arm_compute/core/NEON/wrapper/wrapper.h" |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 34 | #include "arm_compute/core/TensorInfo.h" |
| 35 | #include "arm_compute/core/Utils.h" |
| 36 | #include "arm_compute/core/Validate.h" |
| 37 | #include "arm_compute/core/Window.h" |
Georgios Pinitas | 303f0db | 2018-11-19 11:56:51 +0000 | [diff] [blame] | 38 | #include "arm_compute/core/utils/misc/SaturateCast.h" |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 39 | |
| 40 | #include <algorithm> |
| 41 | #include <arm_neon.h> |
| 42 | #include <cfloat> |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 43 | #include <functional> |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 44 | |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 45 | namespace arm_compute |
| 46 | { |
Sang-Hoon Park | c3a7420 | 2019-11-22 16:05:46 +0000 | [diff] [blame] | 47 | template <typename float_vec_type, typename int_vec_type> |
| 48 | int_vec_type convert_float_to_int(const float_vec_type &in); |
| 49 | |
| 50 | template <typename float_vec_type, typename int_vec_type> |
| 51 | float_vec_type convert_int_to_float(const int_vec_type &in); |
| 52 | |
| 53 | template <> |
| 54 | uint8x16_t convert_float_to_int<float32x4x4_t, uint8x16_t>(const float32x4x4_t &in) |
| 55 | { |
| 56 | uint8x16_t out; |
| 57 | convert_float32x4x4_to_uint8x16(in, out); |
| 58 | return out; |
| 59 | } |
| 60 | |
| 61 | template <> |
| 62 | int8x16_t convert_float_to_int<float32x4x4_t, int8x16_t>(const float32x4x4_t &in) |
| 63 | { |
| 64 | int8x16_t out; |
| 65 | convert_float32x4x4_to_int8x16(in, out); |
| 66 | return out; |
| 67 | } |
| 68 | |
| 69 | template <> |
| 70 | float32x4x4_t convert_int_to_float<float32x4x4_t, uint8x16_t>(const uint8x16_t &in) |
| 71 | { |
| 72 | return convert_uint8x16_to_float32x4x4(in); |
| 73 | } |
| 74 | |
| 75 | template <> |
| 76 | float32x4x4_t convert_int_to_float<float32x4x4_t, int8x16_t>(const int8x16_t &in) |
| 77 | { |
| 78 | return convert_int8x16_to_float32x4x4(in); |
| 79 | } |
| 80 | |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 81 | namespace |
| 82 | { |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 83 | Status validate_arguments_logits_1d_max(const ITensorInfo &input, const ITensorInfo &output) |
Michalis Spyrou | afa5d81 | 2017-11-30 14:25:57 +0000 | [diff] [blame] | 84 | { |
Anthony Barbier | eaefd00 | 2018-07-20 17:49:35 +0100 | [diff] [blame] | 85 | ARM_COMPUTE_RETURN_ERROR_ON_CPU_F16_UNSUPPORTED(&input); |
Sang-Hoon Park | c3a7420 | 2019-11-22 16:05:46 +0000 | [diff] [blame] | 86 | ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(&input, 1, DataType::QASYMM8, DataType::QASYMM8_SIGNED, DataType::F16, DataType::F32); |
Pablo Tello | b49a715 | 2017-07-11 16:31:35 +0100 | [diff] [blame] | 87 | |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 88 | // Validate in case of configured output |
| 89 | if(output.total_size() != 0) |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 90 | { |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 91 | ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(&input, &output); |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 92 | ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_QUANTIZATION_INFO(&input, &output); |
| 93 | ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DIMENSIONS(output.tensor_shape(), TensorShape(input.tensor_shape()).set(0, 1)); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 94 | } |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 95 | |
| 96 | return Status{}; |
| 97 | } |
| 98 | |
| 99 | std::pair<Status, Window> validate_and_configure_window_logits_1d_max(ITensorInfo &input, ITensorInfo &output) |
| 100 | { |
| 101 | // Softmax across the x dimension |
| 102 | const TensorShape output_shape = TensorShape(input.tensor_shape()).set(0, 1); |
| 103 | // Output auto initialization if not yet initialized |
Vidhya Sudhan Loganathan | 7485d5a | 2018-07-04 09:34:00 +0100 | [diff] [blame] | 104 | auto_init_if_empty(output, output_shape, 1, input.data_type(), input.quantization_info()); |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 105 | |
| 106 | // Configure kernel window |
| 107 | const int input_width = input.valid_region().shape.x(); |
| 108 | const int num_elems_processed_per_iteration = 16U / data_size_from_type(input.data_type()); |
| 109 | const int num_elems_read_per_iteration = ceil_to_multiple(input_width, num_elems_processed_per_iteration); |
| 110 | |
| 111 | const ValidRegion out_valid_region(ValidRegion(input.valid_region()).set(0, 0, 1)); |
| 112 | output.set_valid_region(out_valid_region); |
| 113 | |
| 114 | Window win = calculate_max_window(output); |
| 115 | |
| 116 | AccessWindowHorizontal input_access(&input, input.valid_region().anchor.x(), num_elems_read_per_iteration); |
| 117 | AccessWindowHorizontal output_access(&output, 0, 1); |
| 118 | |
| 119 | const bool window_changed = update_window_and_padding(win, input_access, output_access); |
| 120 | |
| 121 | const Status err = (window_changed) ? ARM_COMPUTE_CREATE_ERROR(ErrorCode::RUNTIME_ERROR, "Insufficient Padding!") : Status{}; |
| 122 | return std::make_pair(err, win); |
| 123 | } |
| 124 | |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 125 | template <typename T> |
| 126 | void logits_1d_max(const ITensor &in, ITensor &out, const Window &window) |
| 127 | { |
| 128 | const auto start_x = in.info()->valid_region().anchor.x(); |
| 129 | const size_t input_width = in.info()->valid_region().shape.x(); |
| 130 | |
Manuel Bottini | 21079dd | 2019-10-29 17:20:09 +0000 | [diff] [blame] | 131 | /** NEON vector tag type. */ |
| 132 | using ExactTagType = typename wrapper::traits::neon_bitvector_tag_t<T, wrapper::traits::BitWidth::W128>; |
| 133 | |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 134 | Iterator input(&in, window); |
| 135 | Iterator output(&out, window); |
| 136 | |
Manuel Bottini | 21079dd | 2019-10-29 17:20:09 +0000 | [diff] [blame] | 137 | constexpr int window_step_x = 16 / sizeof(T); |
| 138 | const int sum_stages = log2(window_step_x / 2); |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 139 | execute_window_loop(window, [&](const Coordinates &) |
| 140 | { |
| 141 | // Get pointers |
| 142 | const auto in_ptr = reinterpret_cast<const T *>(input.ptr()) + start_x; |
| 143 | const auto out_ptr = reinterpret_cast<T *>(output.ptr()); |
| 144 | |
| 145 | // Init max value |
Manuel Bottini | 21079dd | 2019-10-29 17:20:09 +0000 | [diff] [blame] | 146 | auto vec_max = wrapper::vdup_n(support::cpp11::lowest<T>(), ExactTagType{}); |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 147 | |
| 148 | // Loop over input row |
Manuel Bottini | 21079dd | 2019-10-29 17:20:09 +0000 | [diff] [blame] | 149 | for(const T *it = in_ptr; it < (in_ptr + input_width); it += window_step_x) |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 150 | { |
Manuel Bottini | 21079dd | 2019-10-29 17:20:09 +0000 | [diff] [blame] | 151 | const auto current_value = wrapper::vloadq(it); |
| 152 | vec_max = wrapper::vmax(vec_max, current_value); |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 153 | } |
| 154 | |
Manuel Bottini | 21079dd | 2019-10-29 17:20:09 +0000 | [diff] [blame] | 155 | auto carry_max = wrapper::vpmax(wrapper::vgethigh(vec_max), wrapper::vgetlow(vec_max)); |
| 156 | |
| 157 | for(int i = 0; i < sum_stages; ++i) |
| 158 | { |
| 159 | carry_max = wrapper::vpmax(carry_max, carry_max); |
| 160 | } |
| 161 | const T max_val = wrapper::vgetlane(carry_max, 0); |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 162 | *out_ptr = max_val; |
| 163 | }, |
| 164 | input, output); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 165 | } |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 166 | } // namespace |
| 167 | |
| 168 | NELogits1DMaxKernel::NELogits1DMaxKernel() |
| 169 | : _func(nullptr), _border_size() |
| 170 | { |
| 171 | } |
| 172 | |
| 173 | BorderSize NELogits1DMaxKernel::border_size() const |
| 174 | { |
| 175 | return _border_size; |
| 176 | } |
| 177 | |
| 178 | void NELogits1DMaxKernel::configure(const ITensor *input, ITensor *output) |
| 179 | { |
Michalis Spyrou | afa5d81 | 2017-11-30 14:25:57 +0000 | [diff] [blame] | 180 | ARM_COMPUTE_ERROR_ON_NULLPTR(input, output); |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 181 | ARM_COMPUTE_ERROR_ON_NULLPTR(input->info(), output->info()); |
Michalis Spyrou | afa5d81 | 2017-11-30 14:25:57 +0000 | [diff] [blame] | 182 | // Perform validation step |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 183 | ARM_COMPUTE_ERROR_THROW_ON(validate_arguments_logits_1d_max(*input->info(), *output->info())); |
| 184 | // Configure kernel window |
| 185 | auto win_config = validate_and_configure_window_logits_1d_max(*input->info(), *output->info()); |
| 186 | ARM_COMPUTE_ERROR_THROW_ON(win_config.first); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 187 | |
| 188 | switch(input->info()->data_type()) |
| 189 | { |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 190 | case DataType::QASYMM8: |
| 191 | _func = &logits_1d_max<qasymm8_t>; |
| 192 | break; |
Sang-Hoon Park | c3a7420 | 2019-11-22 16:05:46 +0000 | [diff] [blame] | 193 | case DataType::QASYMM8_SIGNED: |
| 194 | _func = &logits_1d_max<qasymm8_signed_t>; |
| 195 | break; |
Ioan-Cristian Szabo | 5edbd1c | 2017-11-13 13:34:08 +0000 | [diff] [blame] | 196 | #ifdef __ARM_FEATURE_FP16_VECTOR_ARITHMETIC |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 197 | case DataType::F16: |
| 198 | _func = &logits_1d_max<float16_t>; |
Pablo Tello | b49a715 | 2017-07-11 16:31:35 +0100 | [diff] [blame] | 199 | break; |
Ioan-Cristian Szabo | 5edbd1c | 2017-11-13 13:34:08 +0000 | [diff] [blame] | 200 | #endif /* __ARM_FEATURE_FP16_VECTOR_ARITHMETIC */ |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 201 | case DataType::F32: |
| 202 | _func = &logits_1d_max<float>; |
| 203 | break; |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 204 | default: |
| 205 | ARM_COMPUTE_ERROR("Unsupported data type."); |
| 206 | } |
| 207 | |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 208 | _input = input; |
| 209 | _output = output; |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 210 | |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 211 | const int input_width = input->info()->valid_region().shape.x(); |
| 212 | const int num_elems_processed_per_iteration = 16U / data_size_from_type(input->info()->data_type()); |
| 213 | const int num_elems_read_per_iteration = ceil_to_multiple(input_width, num_elems_processed_per_iteration); |
| 214 | |
| 215 | _border_size = BorderSize(0, num_elems_read_per_iteration - input_width, 0, 0); |
| 216 | |
Michalis Spyrou | afa5d81 | 2017-11-30 14:25:57 +0000 | [diff] [blame] | 217 | INEKernel::configure(win_config.second); |
| 218 | } |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 219 | |
Michalis Spyrou | afa5d81 | 2017-11-30 14:25:57 +0000 | [diff] [blame] | 220 | Status NELogits1DMaxKernel::validate(const ITensorInfo *input, const ITensorInfo *output) |
| 221 | { |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 222 | ARM_COMPUTE_ERROR_ON_NULLPTR(input, output); |
| 223 | |
| 224 | ARM_COMPUTE_RETURN_ON_ERROR(validate_arguments_logits_1d_max(*input, *output)); |
| 225 | ARM_COMPUTE_RETURN_ON_ERROR(validate_and_configure_window_logits_1d_max(*input->clone(), *output->clone()).first); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 226 | |
Michalis Spyrou | afa5d81 | 2017-11-30 14:25:57 +0000 | [diff] [blame] | 227 | return Status{}; |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 228 | } |
| 229 | |
Moritz Pflanzer | c186b57 | 2017-09-07 09:48:04 +0100 | [diff] [blame] | 230 | void NELogits1DMaxKernel::run(const Window &window, const ThreadInfo &info) |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 231 | { |
Moritz Pflanzer | c186b57 | 2017-09-07 09:48:04 +0100 | [diff] [blame] | 232 | ARM_COMPUTE_UNUSED(info); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 233 | ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); |
| 234 | ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(INEKernel::window(), window); |
| 235 | ARM_COMPUTE_ERROR_ON(_func == nullptr); |
| 236 | |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 237 | (*_func)(*_input, *_output, window); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 238 | } |
| 239 | |
| 240 | namespace |
| 241 | { |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 242 | Status validate_arguments_logits_softmax(const ITensorInfo &input, const ITensorInfo &max, |
Sang-Hoon Park | c3a7420 | 2019-11-22 16:05:46 +0000 | [diff] [blame] | 243 | const ITensorInfo &output, const float beta, const ITensorInfo &tmp, bool is_log) |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 244 | { |
Vidhya Sudhan Loganathan | 7485d5a | 2018-07-04 09:34:00 +0100 | [diff] [blame] | 245 | ARM_COMPUTE_UNUSED(beta); |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 246 | // Check input |
Anthony Barbier | eaefd00 | 2018-07-20 17:49:35 +0100 | [diff] [blame] | 247 | ARM_COMPUTE_RETURN_ERROR_ON_CPU_F16_UNSUPPORTED(&input); |
Sang-Hoon Park | c3a7420 | 2019-11-22 16:05:46 +0000 | [diff] [blame] | 248 | ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(&input, 1, DataType::QASYMM8, DataType::QASYMM8_SIGNED, DataType::F16, DataType::F32); |
Pablo Tello | b49a715 | 2017-07-11 16:31:35 +0100 | [diff] [blame] | 249 | |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 250 | const bool is_quantized_asymmetric = is_data_type_quantized_asymmetric(input.data_type()); |
Georgios Pinitas | 9247c92 | 2017-06-28 18:29:47 +0100 | [diff] [blame] | 251 | |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 252 | // Check max |
| 253 | ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(&input, &max); |
| 254 | ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DIMENSIONS(TensorShape(input.tensor_shape()).set(0, 1), max.tensor_shape()); |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 255 | ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_QUANTIZATION_INFO(&input, &max); |
Georgios Pinitas | 9247c92 | 2017-06-28 18:29:47 +0100 | [diff] [blame] | 256 | |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 257 | // Check output if configured |
| 258 | if(output.total_size() != 0) |
Georgios Pinitas | 9247c92 | 2017-06-28 18:29:47 +0100 | [diff] [blame] | 259 | { |
Sang-Hoon Park | c3a7420 | 2019-11-22 16:05:46 +0000 | [diff] [blame] | 260 | const QuantizationInfo output_quantization = is_quantized_asymmetric ? arm_compute::get_softmax_output_quantization_info(input.data_type(), is_log) : output.quantization_info(); |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 261 | ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(&input, &output); |
| 262 | ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_SHAPES(&input, &output); |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 263 | ARM_COMPUTE_RETURN_ERROR_ON(output.quantization_info() != output_quantization); |
Georgios Pinitas | 9247c92 | 2017-06-28 18:29:47 +0100 | [diff] [blame] | 264 | } |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 265 | |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 266 | // Check tmp if configured |
| 267 | if(tmp.total_size() != 0) |
| 268 | { |
| 269 | const DataType tmp_data_type = is_quantized_asymmetric ? DataType::F32 : input.data_type(); |
| 270 | ARM_COMPUTE_RETURN_ERROR_ON(tmp.data_type() != tmp_data_type); |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 271 | // We could potentially reduce tmp memory if we could predict or make an assumption |
| 272 | // on the maximum number of threads that will run in parallel. |
| 273 | ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_SHAPES(&input, &tmp); |
| 274 | } |
| 275 | |
| 276 | return Status{}; |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 277 | } |
| 278 | |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 279 | std::pair<Status, Window> validate_and_configure_window_logits_softmax(ITensorInfo &input, ITensorInfo &max, |
Sang-Hoon Park | c3a7420 | 2019-11-22 16:05:46 +0000 | [diff] [blame] | 280 | ITensorInfo &output, ITensorInfo &tmp, bool is_log) |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 281 | { |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 282 | const bool is_quantized_asymmetric = is_data_type_quantized_asymmetric(input.data_type()); |
Georgios Pinitas | d368df3 | 2017-07-04 11:06:15 +0100 | [diff] [blame] | 283 | |
| 284 | // Output auto initialization if not yet initialized |
Sang-Hoon Park | c3a7420 | 2019-11-22 16:05:46 +0000 | [diff] [blame] | 285 | const QuantizationInfo output_quantization = is_quantized_asymmetric ? arm_compute::get_softmax_output_quantization_info(input.data_type(), is_log) : output.quantization_info(); |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 286 | auto_init_if_empty(output, TensorInfo(input).set_quantization_info(output_quantization).reset_padding()); |
Georgios Pinitas | d368df3 | 2017-07-04 11:06:15 +0100 | [diff] [blame] | 287 | |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 288 | // Tmp auto initialization if not yet initialized |
| 289 | const DataType tmp_data_type = is_quantized_asymmetric ? DataType::F32 : input.data_type(); |
| 290 | auto_init_if_empty(tmp, TensorInfo(input).set_data_type(tmp_data_type).reset_padding()); |
| 291 | |
| 292 | const int input_width = input.valid_region().shape.x(); |
| 293 | |
| 294 | Window win = calculate_max_window(max); |
| 295 | |
| 296 | AccessWindowHorizontal input_access(&input, input.valid_region().anchor.x(), input_width); |
| 297 | AccessWindowHorizontal max_access(&input, 0, 1); |
| 298 | AccessWindowHorizontal output_access(&output, input.valid_region().anchor.x(), input_width); |
| 299 | AccessWindowHorizontal tmp_access(&tmp, input.valid_region().anchor.x(), input_width); |
| 300 | |
| 301 | const bool window_changed = update_window_and_padding(win, input_access, max_access, output_access, tmp_access); |
| 302 | |
| 303 | output.set_valid_region(input.valid_region()); |
| 304 | |
| 305 | const Status err = (window_changed) ? ARM_COMPUTE_CREATE_ERROR(ErrorCode::RUNTIME_ERROR, "Insufficient Padding!") : Status{}; |
| 306 | return std::make_pair(err, win); |
| 307 | } |
| 308 | |
Sang-Hoon Park | c3a7420 | 2019-11-22 16:05:46 +0000 | [diff] [blame] | 309 | template <typename T, bool is_log> |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 310 | void logits_1d_softmax_qasymm8(const ITensor &in, const ITensor &max, void *const tmp, ITensor &out, const float beta, const Window &window) |
| 311 | { |
Sang-Hoon Park | c3a7420 | 2019-11-22 16:05:46 +0000 | [diff] [blame] | 312 | static_assert(std::is_same<T, qasymm8_t>::value |
| 313 | || std::is_same<T, qasymm8_signed_t>::value, |
| 314 | "quantized type should be either qasymm8_t or qasymm8_signed_t."); |
| 315 | |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 316 | const int start_x = in.info()->valid_region().anchor.x(); |
| 317 | const int input_width = in.info()->valid_region().shape.x(); |
| 318 | |
Manuel Bottini | 21079dd | 2019-10-29 17:20:09 +0000 | [diff] [blame] | 319 | const float scale_beta = -beta * in.info()->quantization_info().uniform().scale; |
| 320 | const auto scale_beta_vec = vdupq_n_f32(scale_beta); |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 321 | |
Manuel Bottini | 21079dd | 2019-10-29 17:20:09 +0000 | [diff] [blame] | 322 | Iterator in_it(&in, window); |
| 323 | Iterator max_it(&max, window); |
| 324 | Iterator out_it(&out, window); |
| 325 | constexpr int vec_size = 16; |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 326 | |
| 327 | execute_window_loop(window, [&](const Coordinates &) |
| 328 | { |
| 329 | /* Get pointers */ |
Sang-Hoon Park | c3a7420 | 2019-11-22 16:05:46 +0000 | [diff] [blame] | 330 | const auto in_ptr = reinterpret_cast<const T *>(in_it.ptr()) + start_x; |
| 331 | const auto out_ptr = reinterpret_cast<T *>(out_it.ptr()) + start_x; |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 332 | const auto tmp_ptr = reinterpret_cast<float *>(tmp); |
| 333 | |
Sang-Hoon Park | d24affe | 2019-10-08 18:07:23 +0100 | [diff] [blame] | 334 | float sum{}; |
| 335 | float sum_inversed{}; |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 336 | |
| 337 | /* Compute exponentials and sum */ |
| 338 | { |
| 339 | /* Get max value */ |
Sang-Hoon Park | c3a7420 | 2019-11-22 16:05:46 +0000 | [diff] [blame] | 340 | const auto max_val = *reinterpret_cast<const T *>(max_it.ptr()); |
| 341 | const auto vec_max = wrapper::vdup_n(max_val, wrapper::traits::vector_128_tag{}); |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 342 | |
| 343 | /* Init sum to zero */ |
Manuel Bottini | 21079dd | 2019-10-29 17:20:09 +0000 | [diff] [blame] | 344 | float32x4x4_t vec_sum = |
| 345 | { |
| 346 | vdupq_n_f32(0.f), |
| 347 | vdupq_n_f32(0.f), |
| 348 | vdupq_n_f32(0.f), |
| 349 | vdupq_n_f32(0.f), |
| 350 | }; |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 351 | |
| 352 | /* Loop over row and compute exponentials and sum */ |
Manuel Bottini | 21079dd | 2019-10-29 17:20:09 +0000 | [diff] [blame] | 353 | int x = 0; |
| 354 | for(; x <= (input_width - vec_size); x += vec_size) |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 355 | { |
Manuel Bottini | 21079dd | 2019-10-29 17:20:09 +0000 | [diff] [blame] | 356 | auto vec_elements = wrapper::vloadq(in_ptr + x); |
Sang-Hoon Park | c3a7420 | 2019-11-22 16:05:46 +0000 | [diff] [blame] | 357 | vec_elements = wrapper::vsub(vec_max, vec_elements); |
| 358 | auto vec_elements_flt = convert_int_to_float<float32x4x4_t>(vec_elements); |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 359 | |
Sang-Hoon Park | d24affe | 2019-10-08 18:07:23 +0100 | [diff] [blame] | 360 | if(is_log) |
| 361 | { |
Manuel Bottini | 21079dd | 2019-10-29 17:20:09 +0000 | [diff] [blame] | 362 | vec_elements_flt.val[0] = vmulq_f32(vec_elements_flt.val[0], scale_beta_vec); |
| 363 | vec_elements_flt.val[1] = vmulq_f32(vec_elements_flt.val[1], scale_beta_vec); |
| 364 | vec_elements_flt.val[2] = vmulq_f32(vec_elements_flt.val[2], scale_beta_vec); |
| 365 | vec_elements_flt.val[3] = vmulq_f32(vec_elements_flt.val[3], scale_beta_vec); |
| 366 | vec_sum.val[0] = vaddq_f32(vec_sum.val[0], vexpq_f32(vec_elements_flt.val[0])); |
| 367 | vec_sum.val[1] = vaddq_f32(vec_sum.val[1], vexpq_f32(vec_elements_flt.val[1])); |
| 368 | vec_sum.val[2] = vaddq_f32(vec_sum.val[2], vexpq_f32(vec_elements_flt.val[2])); |
| 369 | vec_sum.val[3] = vaddq_f32(vec_sum.val[3], vexpq_f32(vec_elements_flt.val[3])); |
Sang-Hoon Park | d24affe | 2019-10-08 18:07:23 +0100 | [diff] [blame] | 370 | } |
| 371 | else |
| 372 | { |
Manuel Bottini | 21079dd | 2019-10-29 17:20:09 +0000 | [diff] [blame] | 373 | vec_elements_flt.val[0] = vexpq_f32(vmulq_f32(vec_elements_flt.val[0], scale_beta_vec)); |
| 374 | vec_elements_flt.val[1] = vexpq_f32(vmulq_f32(vec_elements_flt.val[1], scale_beta_vec)); |
| 375 | vec_elements_flt.val[2] = vexpq_f32(vmulq_f32(vec_elements_flt.val[2], scale_beta_vec)); |
| 376 | vec_elements_flt.val[3] = vexpq_f32(vmulq_f32(vec_elements_flt.val[3], scale_beta_vec)); |
| 377 | vec_sum.val[0] = vaddq_f32(vec_sum.val[0], vec_elements_flt.val[0]); |
| 378 | vec_sum.val[1] = vaddq_f32(vec_sum.val[1], vec_elements_flt.val[1]); |
| 379 | vec_sum.val[2] = vaddq_f32(vec_sum.val[2], vec_elements_flt.val[2]); |
| 380 | vec_sum.val[3] = vaddq_f32(vec_sum.val[3], vec_elements_flt.val[3]); |
Sang-Hoon Park | d24affe | 2019-10-08 18:07:23 +0100 | [diff] [blame] | 381 | } |
Manuel Bottini | 21079dd | 2019-10-29 17:20:09 +0000 | [diff] [blame] | 382 | |
| 383 | vst4q_f32(tmp_ptr + x, vec_elements_flt); |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 384 | } |
Sang-Hoon Park | d24affe | 2019-10-08 18:07:23 +0100 | [diff] [blame] | 385 | |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 386 | /* Reduce sum */ |
Manuel Bottini | 21079dd | 2019-10-29 17:20:09 +0000 | [diff] [blame] | 387 | const auto sum_16_byte = vaddq_f32(vaddq_f32(vec_sum.val[0], vec_sum.val[1]), vaddq_f32(vec_sum.val[2], vec_sum.val[3])); |
| 388 | auto sum_res = vpadd_f32(vget_high_f32(sum_16_byte), vget_low_f32(sum_16_byte)); |
| 389 | sum_res = vpadd_f32(sum_res, sum_res); |
| 390 | sum = wrapper::vgetlane(sum_res, 0); |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 391 | |
| 392 | /* Run remaining elements */ |
Manuel Bottini | 21079dd | 2019-10-29 17:20:09 +0000 | [diff] [blame] | 393 | for(; x < input_width; ++x) |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 394 | { |
Sang-Hoon Park | d24affe | 2019-10-08 18:07:23 +0100 | [diff] [blame] | 395 | float element{}; |
| 396 | if(is_log) |
| 397 | { |
Manuel Bottini | 21079dd | 2019-10-29 17:20:09 +0000 | [diff] [blame] | 398 | element = (max_val - in_ptr[x]) * scale_beta; |
Sang-Hoon Park | d24affe | 2019-10-08 18:07:23 +0100 | [diff] [blame] | 399 | sum += std::exp(element); |
| 400 | } |
| 401 | else |
| 402 | { |
Manuel Bottini | 21079dd | 2019-10-29 17:20:09 +0000 | [diff] [blame] | 403 | element = std::exp((max_val - in_ptr[x]) * scale_beta); |
Sang-Hoon Park | d24affe | 2019-10-08 18:07:23 +0100 | [diff] [blame] | 404 | sum += element; |
| 405 | } |
| 406 | |
Manuel Bottini | 21079dd | 2019-10-29 17:20:09 +0000 | [diff] [blame] | 407 | tmp_ptr[x] = element; |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 408 | } |
| 409 | |
Sang-Hoon Park | d24affe | 2019-10-08 18:07:23 +0100 | [diff] [blame] | 410 | if(!is_log) |
| 411 | { |
| 412 | sum_inversed = 256.f / sum; |
| 413 | } |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 414 | } |
| 415 | |
| 416 | /* Normalize exponentials */ |
| 417 | { |
Sang-Hoon Park | c3a7420 | 2019-11-22 16:05:46 +0000 | [diff] [blame] | 418 | constexpr bool is_qasymm8_signed = std::is_same<T, qasymm8_signed_t>::value; |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 419 | /* Loop over row and compute softmax */ |
Manuel Bottini | 21079dd | 2019-10-29 17:20:09 +0000 | [diff] [blame] | 420 | int x = 0; |
| 421 | for(; x <= (input_width - vec_size); x += vec_size) |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 422 | { |
Sang-Hoon Park | c3a7420 | 2019-11-22 16:05:46 +0000 | [diff] [blame] | 423 | using int_vec_type = wrapper::traits::neon_vector_t<T, 16>; |
Manuel Bottini | 21079dd | 2019-10-29 17:20:09 +0000 | [diff] [blame] | 424 | float32x4x4_t vec_in = vld4q_f32(tmp_ptr + x); |
Sang-Hoon Park | c3a7420 | 2019-11-22 16:05:46 +0000 | [diff] [blame] | 425 | int_vec_type normalized_value{}; |
Sang-Hoon Park | d24affe | 2019-10-08 18:07:23 +0100 | [diff] [blame] | 426 | if(is_log) |
| 427 | { |
Manuel Bottini | 21079dd | 2019-10-29 17:20:09 +0000 | [diff] [blame] | 428 | const float32x4x4_t sub = |
| 429 | { |
| 430 | vsubq_f32(vec_in.val[0], vdupq_n_f32(sum)), |
| 431 | vsubq_f32(vec_in.val[1], vdupq_n_f32(sum)), |
| 432 | vsubq_f32(vec_in.val[2], vdupq_n_f32(sum)), |
| 433 | vsubq_f32(vec_in.val[3], vdupq_n_f32(sum)), |
| 434 | }; |
Sang-Hoon Park | c3a7420 | 2019-11-22 16:05:46 +0000 | [diff] [blame] | 435 | normalized_value = convert_float_to_int<float32x4x4_t, int_vec_type>(sub); |
Sang-Hoon Park | d24affe | 2019-10-08 18:07:23 +0100 | [diff] [blame] | 436 | } |
| 437 | else |
| 438 | { |
Sang-Hoon Park | c3a7420 | 2019-11-22 16:05:46 +0000 | [diff] [blame] | 439 | float32x4x4_t mul = |
Manuel Bottini | 21079dd | 2019-10-29 17:20:09 +0000 | [diff] [blame] | 440 | { |
| 441 | vmulq_f32(vec_in.val[0], vdupq_n_f32(sum_inversed)), |
| 442 | vmulq_f32(vec_in.val[1], vdupq_n_f32(sum_inversed)), |
| 443 | vmulq_f32(vec_in.val[2], vdupq_n_f32(sum_inversed)), |
| 444 | vmulq_f32(vec_in.val[3], vdupq_n_f32(sum_inversed)), |
| 445 | }; |
Sang-Hoon Park | c3a7420 | 2019-11-22 16:05:46 +0000 | [diff] [blame] | 446 | |
| 447 | if(is_qasymm8_signed) |
| 448 | { |
| 449 | const auto offset_vec = wrapper::vdup_n(128.f, wrapper::traits::vector_128_tag{}); |
| 450 | mul.val[0] = wrapper::vsub(mul.val[0], offset_vec); |
| 451 | mul.val[1] = wrapper::vsub(mul.val[1], offset_vec); |
| 452 | mul.val[2] = wrapper::vsub(mul.val[2], offset_vec); |
| 453 | mul.val[3] = wrapper::vsub(mul.val[3], offset_vec); |
| 454 | } |
| 455 | |
| 456 | normalized_value = convert_float_to_int<float32x4x4_t, int_vec_type>(mul); |
Manuel Bottini | 21079dd | 2019-10-29 17:20:09 +0000 | [diff] [blame] | 457 | } |
Sang-Hoon Park | c3a7420 | 2019-11-22 16:05:46 +0000 | [diff] [blame] | 458 | wrapper::vstore(out_ptr + x, normalized_value); |
Manuel Bottini | 21079dd | 2019-10-29 17:20:09 +0000 | [diff] [blame] | 459 | } |
| 460 | /* Run remaining elements */ |
| 461 | for(; x < input_width; ++x) |
| 462 | { |
| 463 | if(is_log) |
| 464 | { |
Sang-Hoon Park | c3a7420 | 2019-11-22 16:05:46 +0000 | [diff] [blame] | 465 | out_ptr[x] = utils::cast::saturate_cast<T>(tmp_ptr[x] - sum); |
Manuel Bottini | 21079dd | 2019-10-29 17:20:09 +0000 | [diff] [blame] | 466 | } |
| 467 | else |
| 468 | { |
Sang-Hoon Park | c3a7420 | 2019-11-22 16:05:46 +0000 | [diff] [blame] | 469 | out_ptr[x] = utils::cast::saturate_cast<T>((tmp_ptr[x] * sum_inversed) - (is_qasymm8_signed ? 128.f : 0)); |
Sang-Hoon Park | d24affe | 2019-10-08 18:07:23 +0100 | [diff] [blame] | 470 | } |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 471 | } |
| 472 | } |
| 473 | }, |
| 474 | in_it, max_it, out_it); |
| 475 | } |
| 476 | |
Sang-Hoon Park | d24affe | 2019-10-08 18:07:23 +0100 | [diff] [blame] | 477 | template <typename T, bool is_log = false> |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 478 | void logits_1d_softmax_float(const ITensor &in, const ITensor &max, void *const tmp, |
| 479 | ITensor &out, const float beta, const Window &window) |
| 480 | { |
| 481 | const int start_x = in.info()->valid_region().anchor.x(); |
| 482 | const int input_width = in.info()->valid_region().shape.x(); |
| 483 | |
| 484 | Iterator in_it(&in, window); |
| 485 | Iterator max_it(&max, window); |
| 486 | Iterator out_it(&out, window); |
| 487 | |
Manuel Bottini | 21079dd | 2019-10-29 17:20:09 +0000 | [diff] [blame] | 488 | /** NEON vector tag type. */ |
| 489 | using ExactTagType = typename wrapper::traits::neon_bitvector_tag_t<T, wrapper::traits::BitWidth::W128>; |
| 490 | |
| 491 | constexpr int vec_size = 16 / sizeof(T); |
| 492 | const int sum_stages = log2(vec_size / 2); |
| 493 | |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 494 | execute_window_loop(window, [&](const Coordinates &) |
| 495 | { |
| 496 | /* Get pointers */ |
| 497 | const auto in_ptr = reinterpret_cast<const T *>(in_it.ptr()) + start_x; |
| 498 | const auto out_ptr = reinterpret_cast<T *>(out_it.ptr()) + start_x; |
| 499 | const auto tmp_ptr = reinterpret_cast<T *>(tmp); |
| 500 | |
Sang-Hoon Park | d24affe | 2019-10-08 18:07:23 +0100 | [diff] [blame] | 501 | T sum{}; |
| 502 | T sum_inversed{}; |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 503 | |
| 504 | /* Compute exponentials and sum */ |
| 505 | { |
| 506 | /* Get max value */ |
| 507 | const auto max_val = *reinterpret_cast<const T *>(max_it.ptr()); |
Manuel Bottini | 21079dd | 2019-10-29 17:20:09 +0000 | [diff] [blame] | 508 | const auto vec_max = wrapper::vdup_n(max_val, ExactTagType{}); |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 509 | |
| 510 | /* Init sum to zero */ |
Manuel Bottini | 21079dd | 2019-10-29 17:20:09 +0000 | [diff] [blame] | 511 | auto vec_sum = wrapper::vdup_n(static_cast<T>(0), ExactTagType{}); |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 512 | |
| 513 | /* Loop over row and compute exponentials and sum */ |
Manuel Bottini | 21079dd | 2019-10-29 17:20:09 +0000 | [diff] [blame] | 514 | int x = 0; |
| 515 | for(; x <= (input_width - vec_size); x += vec_size) |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 516 | { |
Manuel Bottini | 21079dd | 2019-10-29 17:20:09 +0000 | [diff] [blame] | 517 | auto vec_elements = wrapper::vloadq(in_ptr + x); |
| 518 | vec_elements = wrapper::vsub(vec_elements, vec_max); |
Sang-Hoon Park | d24affe | 2019-10-08 18:07:23 +0100 | [diff] [blame] | 519 | if(is_log) |
| 520 | { |
Manuel Bottini | 21079dd | 2019-10-29 17:20:09 +0000 | [diff] [blame] | 521 | vec_elements = wrapper::vmul(vec_elements, wrapper::vdup_n(static_cast<T>(beta), ExactTagType{})); |
| 522 | vec_sum = wrapper::vadd(vec_sum, wrapper::vexpq(vec_elements)); |
Sang-Hoon Park | d24affe | 2019-10-08 18:07:23 +0100 | [diff] [blame] | 523 | } |
| 524 | else |
| 525 | { |
Manuel Bottini | 21079dd | 2019-10-29 17:20:09 +0000 | [diff] [blame] | 526 | vec_elements = wrapper::vexpq(wrapper::vmul(vec_elements, wrapper::vdup_n(static_cast<T>(beta), ExactTagType{}))); |
| 527 | vec_sum = wrapper::vadd(vec_sum, vec_elements); |
Sang-Hoon Park | d24affe | 2019-10-08 18:07:23 +0100 | [diff] [blame] | 528 | } |
Manuel Bottini | 21079dd | 2019-10-29 17:20:09 +0000 | [diff] [blame] | 529 | wrapper::vstore(tmp_ptr + x, vec_elements); |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 530 | } |
Sang-Hoon Park | d24affe | 2019-10-08 18:07:23 +0100 | [diff] [blame] | 531 | |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 532 | /* Reduce sum */ |
Manuel Bottini | 21079dd | 2019-10-29 17:20:09 +0000 | [diff] [blame] | 533 | auto sum_res = wrapper::vpadd(wrapper::vgethigh(vec_sum), wrapper::vgetlow(vec_sum)); |
| 534 | for(int i = 0; i < sum_stages; ++i) |
| 535 | { |
| 536 | sum_res = wrapper::vpadd(sum_res, sum_res); |
| 537 | } |
| 538 | sum = wrapper::vgetlane(sum_res, 0); |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 539 | |
| 540 | /* Run remaining elements */ |
Manuel Bottini | 21079dd | 2019-10-29 17:20:09 +0000 | [diff] [blame] | 541 | for(; x < input_width; ++x) |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 542 | { |
Sang-Hoon Park | d24affe | 2019-10-08 18:07:23 +0100 | [diff] [blame] | 543 | T element{}; |
| 544 | |
| 545 | if(is_log) |
| 546 | { |
Manuel Bottini | 21079dd | 2019-10-29 17:20:09 +0000 | [diff] [blame] | 547 | element = (in_ptr[x] - max_val) * beta; |
Sang-Hoon Park | d24affe | 2019-10-08 18:07:23 +0100 | [diff] [blame] | 548 | sum += std::exp(element); |
| 549 | } |
| 550 | else |
| 551 | { |
Manuel Bottini | 21079dd | 2019-10-29 17:20:09 +0000 | [diff] [blame] | 552 | element = std::exp((in_ptr[x] - max_val) * beta); |
Sang-Hoon Park | d24affe | 2019-10-08 18:07:23 +0100 | [diff] [blame] | 553 | sum += element; |
| 554 | } |
Manuel Bottini | 21079dd | 2019-10-29 17:20:09 +0000 | [diff] [blame] | 555 | tmp_ptr[x] = element; |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 556 | } |
| 557 | |
Sang-Hoon Park | d24affe | 2019-10-08 18:07:23 +0100 | [diff] [blame] | 558 | if(!is_log) |
| 559 | { |
| 560 | sum_inversed = T(1) / sum; |
| 561 | } |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 562 | } |
| 563 | |
| 564 | /* Normalize exponentials */ |
| 565 | { |
| 566 | /* Loop over row and compute softmax */ |
Manuel Bottini | 21079dd | 2019-10-29 17:20:09 +0000 | [diff] [blame] | 567 | int x = 0; |
| 568 | for(; x <= (input_width - vec_size); x += vec_size) |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 569 | { |
Manuel Bottini | 21079dd | 2019-10-29 17:20:09 +0000 | [diff] [blame] | 570 | auto vec_in = wrapper::vloadq(tmp_ptr + x); |
| 571 | auto normalized_value = wrapper::vdup_n(static_cast<T>(0), ExactTagType{}); |
Sang-Hoon Park | d24affe | 2019-10-08 18:07:23 +0100 | [diff] [blame] | 572 | if(is_log) |
| 573 | { |
Manuel Bottini | 21079dd | 2019-10-29 17:20:09 +0000 | [diff] [blame] | 574 | normalized_value = wrapper::vsub(vec_in, wrapper::vdup_n(static_cast<T>(sum), ExactTagType{})); |
Sang-Hoon Park | d24affe | 2019-10-08 18:07:23 +0100 | [diff] [blame] | 575 | } |
| 576 | else |
| 577 | { |
Manuel Bottini | 21079dd | 2019-10-29 17:20:09 +0000 | [diff] [blame] | 578 | normalized_value = wrapper::vmul(vec_in, wrapper::vdup_n(static_cast<T>(sum_inversed), ExactTagType{})); |
| 579 | } |
| 580 | wrapper::vstore(out_ptr + x, normalized_value); |
| 581 | } |
| 582 | /* Run remaining elements */ |
| 583 | for(; x < input_width; ++x) |
| 584 | { |
| 585 | if(is_log) |
| 586 | { |
| 587 | out_ptr[x] = tmp_ptr[x] - sum; |
| 588 | } |
| 589 | else |
| 590 | { |
| 591 | out_ptr[x] = tmp_ptr[x] * sum_inversed; |
Sang-Hoon Park | d24affe | 2019-10-08 18:07:23 +0100 | [diff] [blame] | 592 | } |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 593 | } |
| 594 | } |
| 595 | }, |
| 596 | in_it, max_it, out_it); |
| 597 | } |
| 598 | } // namespace |
| 599 | |
Sang-Hoon Park | d24affe | 2019-10-08 18:07:23 +0100 | [diff] [blame] | 600 | template <bool IS_LOG> |
| 601 | NELogits1DSoftmaxKernel<IS_LOG>::NELogits1DSoftmaxKernel() |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 602 | : _func(nullptr), _input(nullptr), _max(nullptr), _output(nullptr), _beta(1.0f), _tmp(nullptr) |
| 603 | { |
| 604 | } |
| 605 | |
Sang-Hoon Park | d24affe | 2019-10-08 18:07:23 +0100 | [diff] [blame] | 606 | template <bool IS_LOG> |
| 607 | void NELogits1DSoftmaxKernel<IS_LOG>::configure(const ITensor *input, const ITensor *max, ITensor *output, const float beta, ITensor *tmp) |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 608 | { |
| 609 | ARM_COMPUTE_ERROR_ON_NULLPTR(input, max, output, tmp); |
| 610 | ARM_COMPUTE_ERROR_ON_NULLPTR(input->info(), max->info(), output->info(), tmp->info()); |
Michalis Spyrou | afa5d81 | 2017-11-30 14:25:57 +0000 | [diff] [blame] | 611 | // Perform validation step |
Sang-Hoon Park | c3a7420 | 2019-11-22 16:05:46 +0000 | [diff] [blame] | 612 | ARM_COMPUTE_ERROR_THROW_ON(validate_arguments_logits_softmax(*input->info(), *max->info(), *output->info(), beta, *tmp->info(), IS_LOG)); |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 613 | // Configure kernel window |
Sang-Hoon Park | c3a7420 | 2019-11-22 16:05:46 +0000 | [diff] [blame] | 614 | auto win_config = validate_and_configure_window_logits_softmax(*input->info(), *max->info(), *output->info(), *tmp->info(), IS_LOG); |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 615 | ARM_COMPUTE_ERROR_THROW_ON(win_config.first); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 616 | |
| 617 | switch(input->info()->data_type()) |
| 618 | { |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 619 | case DataType::QASYMM8: |
Sang-Hoon Park | c3a7420 | 2019-11-22 16:05:46 +0000 | [diff] [blame] | 620 | _func = &logits_1d_softmax_qasymm8<qasymm8_t, IS_LOG>; |
| 621 | break; |
| 622 | case DataType::QASYMM8_SIGNED: |
| 623 | _func = &logits_1d_softmax_qasymm8<qasymm8_signed_t, IS_LOG>; |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 624 | break; |
Ioan-Cristian Szabo | 5edbd1c | 2017-11-13 13:34:08 +0000 | [diff] [blame] | 625 | #ifdef __ARM_FEATURE_FP16_VECTOR_ARITHMETIC |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 626 | case DataType::F16: |
Sang-Hoon Park | d24affe | 2019-10-08 18:07:23 +0100 | [diff] [blame] | 627 | _func = &logits_1d_softmax_float<float16_t, IS_LOG>; |
Pablo Tello | b49a715 | 2017-07-11 16:31:35 +0100 | [diff] [blame] | 628 | break; |
Ioan-Cristian Szabo | 5edbd1c | 2017-11-13 13:34:08 +0000 | [diff] [blame] | 629 | #endif /* __ARM_FEATURE_FP16_VECTOR_ARITHMETIC */ |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 630 | case DataType::F32: |
Sang-Hoon Park | d24affe | 2019-10-08 18:07:23 +0100 | [diff] [blame] | 631 | _func = &logits_1d_softmax_float<float, IS_LOG>; |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 632 | break; |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 633 | default: |
| 634 | ARM_COMPUTE_ERROR("Unsupported data type."); |
Pablo Tello | b49a715 | 2017-07-11 16:31:35 +0100 | [diff] [blame] | 635 | break; |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 636 | } |
| 637 | |
| 638 | _input = input; |
| 639 | _max = max; |
| 640 | _output = output; |
Pablo Palmier | a2b89ca | 2017-10-05 15:01:34 +0100 | [diff] [blame] | 641 | _beta = beta; |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 642 | _tmp = tmp; |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 643 | |
Michalis Spyrou | afa5d81 | 2017-11-30 14:25:57 +0000 | [diff] [blame] | 644 | INEKernel::configure(win_config.second); |
| 645 | } |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 646 | |
Sang-Hoon Park | d24affe | 2019-10-08 18:07:23 +0100 | [diff] [blame] | 647 | template <bool IS_LOG> |
| 648 | Status NELogits1DSoftmaxKernel<IS_LOG>::validate(const ITensorInfo *input, const ITensorInfo *max, |
| 649 | const ITensorInfo *output, const float beta, const ITensorInfo *tmp) |
Michalis Spyrou | afa5d81 | 2017-11-30 14:25:57 +0000 | [diff] [blame] | 650 | { |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 651 | ARM_COMPUTE_ERROR_ON_NULLPTR(input, max, output, tmp); |
| 652 | |
Sang-Hoon Park | c3a7420 | 2019-11-22 16:05:46 +0000 | [diff] [blame] | 653 | ARM_COMPUTE_RETURN_ON_ERROR(validate_arguments_logits_softmax(*input, *max, *output, beta, *tmp, IS_LOG)); |
| 654 | ARM_COMPUTE_RETURN_ON_ERROR(validate_and_configure_window_logits_softmax(*input->clone(), *max->clone(), *output->clone(), *tmp->clone(), IS_LOG).first); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 655 | |
Michalis Spyrou | afa5d81 | 2017-11-30 14:25:57 +0000 | [diff] [blame] | 656 | return Status{}; |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 657 | } |
| 658 | |
Sang-Hoon Park | d24affe | 2019-10-08 18:07:23 +0100 | [diff] [blame] | 659 | template <bool IS_LOG> |
| 660 | void NELogits1DSoftmaxKernel<IS_LOG>::run(const Window &window, const ThreadInfo &info) |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 661 | { |
Moritz Pflanzer | c186b57 | 2017-09-07 09:48:04 +0100 | [diff] [blame] | 662 | ARM_COMPUTE_UNUSED(info); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 663 | ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); |
| 664 | ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(INEKernel::window(), window); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 665 | |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 666 | const unsigned int num_elems_processed_per_iteration = _input->info()->valid_region().shape.x(); |
| 667 | const unsigned int tmp_size_for_thread = _tmp->info()->element_size() * num_elems_processed_per_iteration; |
| 668 | |
| 669 | ARM_COMPUTE_ERROR_ON(_tmp->info()->total_size() < (info.num_threads * tmp_size_for_thread)); |
| 670 | |
| 671 | void *tmp_for_thread = _tmp->buffer() + (info.thread_id * tmp_size_for_thread); |
| 672 | |
| 673 | (*_func)(*_input, *_max, tmp_for_thread, *_output, _beta, window); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 674 | } |
| 675 | |
Sang-Hoon Park | d24affe | 2019-10-08 18:07:23 +0100 | [diff] [blame] | 676 | template class NELogits1DSoftmaxKernel<true>; |
| 677 | template class NELogits1DSoftmaxKernel<false>; |
| 678 | |
Diego Lopez Recas | 35ceeb2 | 2017-12-04 18:56:10 +0000 | [diff] [blame] | 679 | } // namespace arm_compute |