Michele Di Giorgio | 56dd726 | 2017-07-27 09:53:49 +0100 | [diff] [blame] | 1 | /* |
Michele Di Giorgio | d9eaf61 | 2020-07-08 11:12:57 +0100 | [diff] [blame] | 2 | * Copyright (c) 2017-2020 Arm Limited. |
Michele Di Giorgio | 56dd726 | 2017-07-27 09:53:49 +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/CL/kernels/CLQuantizationLayerKernel.h" |
| 25 | |
Michele Di Giorgio | 56dd726 | 2017-07-27 09:53:49 +0100 | [diff] [blame] | 26 | #include "arm_compute/core/CL/CLHelpers.h" |
| 27 | #include "arm_compute/core/CL/CLKernelLibrary.h" |
| 28 | #include "arm_compute/core/CL/ICLTensor.h" |
| 29 | #include "arm_compute/core/TensorInfo.h" |
| 30 | #include "arm_compute/core/Utils.h" |
| 31 | #include "arm_compute/core/Validate.h" |
Michele Di Giorgio | d87a7b2 | 2019-09-10 10:42:27 +0100 | [diff] [blame] | 32 | #include "arm_compute/core/utils/quantization/AsymmHelpers.h" |
Sang-Hoon Park | 68dd25f | 2020-10-19 16:00:11 +0100 | [diff] [blame] | 33 | #include "src/core/AccessWindowStatic.h" |
| 34 | #include "src/core/CL/CLValidate.h" |
| 35 | #include "src/core/helpers/WindowHelpers.h" |
Matthew Bentham | 758b5ba | 2020-03-05 23:37:48 +0000 | [diff] [blame] | 36 | #include "support/StringSupport.h" |
Michele Di Giorgio | 56dd726 | 2017-07-27 09:53:49 +0100 | [diff] [blame] | 37 | |
Michele Di Giorgio | d87a7b2 | 2019-09-10 10:42:27 +0100 | [diff] [blame] | 38 | namespace arm_compute |
| 39 | { |
Alex Gilday | 60954c6 | 2018-03-05 16:22:48 +0000 | [diff] [blame] | 40 | namespace |
| 41 | { |
Usama Arif | e03802e | 2019-03-11 12:20:20 +0000 | [diff] [blame] | 42 | Status validate_arguments(const ITensorInfo *input, const ITensorInfo *output) |
Alex Gilday | 60954c6 | 2018-03-05 16:22:48 +0000 | [diff] [blame] | 43 | { |
Usama Arif | e03802e | 2019-03-11 12:20:20 +0000 | [diff] [blame] | 44 | ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(input, output); |
Manuel Bottini | 2f60221 | 2020-01-30 17:30:32 +0000 | [diff] [blame] | 45 | ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::QASYMM8, DataType::QASYMM8_SIGNED, DataType::F32, DataType::F16); |
Usama Arif | e03802e | 2019-03-11 12:20:20 +0000 | [diff] [blame] | 46 | ARM_COMPUTE_RETURN_ERROR_ON_F16_UNSUPPORTED(input); |
Michele Di Giorgio | d87a7b2 | 2019-09-10 10:42:27 +0100 | [diff] [blame] | 47 | |
| 48 | // Output must always be initialized |
| 49 | ARM_COMPUTE_RETURN_ERROR_ON(output->tensor_shape().total_size() == 0); |
Manuel Bottini | 8481d83 | 2019-12-10 15:28:40 +0000 | [diff] [blame] | 50 | ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output, 1, DataType::QASYMM8, DataType::QASYMM8_SIGNED, DataType::QASYMM16); |
Michele Di Giorgio | d87a7b2 | 2019-09-10 10:42:27 +0100 | [diff] [blame] | 51 | ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_SHAPES(input, output); |
Alex Gilday | 60954c6 | 2018-03-05 16:22:48 +0000 | [diff] [blame] | 52 | |
| 53 | return Status{}; |
| 54 | } |
| 55 | |
Michele Di Giorgio | d87a7b2 | 2019-09-10 10:42:27 +0100 | [diff] [blame] | 56 | std::pair<Status, Window> validate_and_configure_window(ITensorInfo *input, ITensorInfo *output) |
Alex Gilday | 60954c6 | 2018-03-05 16:22:48 +0000 | [diff] [blame] | 57 | { |
Usama Arif | e03802e | 2019-03-11 12:20:20 +0000 | [diff] [blame] | 58 | // Configure kernel window |
| 59 | Window win = calculate_max_window(*input, Steps()); |
| 60 | |
Michele Di Giorgio | d87a7b2 | 2019-09-10 10:42:27 +0100 | [diff] [blame] | 61 | const int vec_size_x = 16 / input->element_size(); |
| 62 | const int input_width_x = input->tensor_shape().x(); |
| 63 | const bool multi_access_x = (input_width_x / vec_size_x > 0); |
| 64 | if(multi_access_x) |
| 65 | { |
Manuel Bottini | 2f60221 | 2020-01-30 17:30:32 +0000 | [diff] [blame] | 66 | win.set(Window::DimX, Window::Dimension(win.x().start(), ceil_to_multiple(win.x().end(), vec_size_x), vec_size_x)); |
Michele Di Giorgio | d87a7b2 | 2019-09-10 10:42:27 +0100 | [diff] [blame] | 67 | } |
Alex Gilday | 60954c6 | 2018-03-05 16:22:48 +0000 | [diff] [blame] | 68 | |
Usama Arif | e03802e | 2019-03-11 12:20:20 +0000 | [diff] [blame] | 69 | Coordinates coord; |
| 70 | coord.set_num_dimensions(output->num_dimensions()); |
| 71 | output->set_valid_region(ValidRegion(coord, output->tensor_shape())); |
Alex Gilday | 60954c6 | 2018-03-05 16:22:48 +0000 | [diff] [blame] | 72 | |
Michele Di Giorgio | d87a7b2 | 2019-09-10 10:42:27 +0100 | [diff] [blame] | 73 | return std::make_pair(Status{}, win); |
Alex Gilday | 60954c6 | 2018-03-05 16:22:48 +0000 | [diff] [blame] | 74 | } |
| 75 | } // namespace |
| 76 | |
Michele Di Giorgio | 56dd726 | 2017-07-27 09:53:49 +0100 | [diff] [blame] | 77 | CLQuantizationLayerKernel::CLQuantizationLayerKernel() |
Usama Arif | e03802e | 2019-03-11 12:20:20 +0000 | [diff] [blame] | 78 | : _input(nullptr), _output(nullptr) |
Michele Di Giorgio | 56dd726 | 2017-07-27 09:53:49 +0100 | [diff] [blame] | 79 | { |
| 80 | } |
| 81 | |
Usama Arif | e03802e | 2019-03-11 12:20:20 +0000 | [diff] [blame] | 82 | void CLQuantizationLayerKernel::configure(const ICLTensor *input, ICLTensor *output) |
Michele Di Giorgio | 56dd726 | 2017-07-27 09:53:49 +0100 | [diff] [blame] | 83 | { |
Manuel Bottini | 4c6bd51 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 84 | configure(CLKernelLibrary::get().get_compile_context(), input, output); |
| 85 | } |
| 86 | |
Manuel Bottini | 679fc96 | 2020-04-21 16:08:53 +0100 | [diff] [blame] | 87 | void CLQuantizationLayerKernel::configure(const CLCompileContext &compile_context, const ICLTensor *input, ICLTensor *output) |
Manuel Bottini | 4c6bd51 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 88 | { |
Usama Arif | e03802e | 2019-03-11 12:20:20 +0000 | [diff] [blame] | 89 | ARM_COMPUTE_ERROR_ON_NULLPTR(input, output); |
| 90 | ARM_COMPUTE_ERROR_THROW_ON(validate_arguments(input->info(), output->info())); |
Michele Di Giorgio | 56dd726 | 2017-07-27 09:53:49 +0100 | [diff] [blame] | 91 | |
Usama Arif | e03802e | 2019-03-11 12:20:20 +0000 | [diff] [blame] | 92 | _input = input; |
| 93 | _output = output; |
| 94 | |
| 95 | const int vec_size_x = 16 / input->info()->element_size(); |
| 96 | const int input_width_x = input->info()->tensor_shape().x(); |
| 97 | const bool multi_access_x = (input_width_x / vec_size_x > 0); |
| 98 | |
Michele Di Giorgio | d87a7b2 | 2019-09-10 10:42:27 +0100 | [diff] [blame] | 99 | // Configure kernel window |
| 100 | auto win_config = validate_and_configure_window(input->info(), output->info()); |
| 101 | ARM_COMPUTE_ERROR_THROW_ON(win_config.first); |
| 102 | ICLKernel::configure_internal(win_config.second); |
Michele Di Giorgio | 56dd726 | 2017-07-27 09:53:49 +0100 | [diff] [blame] | 103 | |
Michele Di Giorgio | d87a7b2 | 2019-09-10 10:42:27 +0100 | [diff] [blame] | 104 | const UniformQuantizationInfo qinfo = output->info()->quantization_info().uniform(); |
| 105 | const DataType output_data_type = output->info()->data_type(); |
Georgios Pinitas | 4c5469b | 2019-05-21 13:32:43 +0100 | [diff] [blame] | 106 | |
Manuel Bottini | 2f60221 | 2020-01-30 17:30:32 +0000 | [diff] [blame] | 107 | float scale_to_apply = qinfo.scale; |
| 108 | int32_t offset_to_apply = qinfo.offset; |
| 109 | if(is_data_type_quantized_asymmetric(_input->info()->data_type())) |
| 110 | { |
| 111 | /* |
| 112 | * In case of requantization of a quantized input tensor to an output tensor with another quantization |
| 113 | * instead of of apply dequantization and then a quantization functions, we just compute new scale and |
| 114 | * offset to apply. |
| 115 | * |
| 116 | * Assuming: |
| 117 | * - q_i as input quantized value |
| 118 | * - q_o as output quantized value |
| 119 | * - z_i as input quantization offset value |
| 120 | * - z_o as output quantization offset value |
| 121 | * - s_i as input quantization scale value |
| 122 | * - s_o as output quantization scale value |
| 123 | * - z_n as new quantization offset value |
| 124 | * - s_n as new quantization scale value |
| 125 | * |
| 126 | * q_o = ( q_i - z_i ) * s_i / s_o + z_o |
| 127 | * |
| 128 | * We can rewrite the formula as: |
| 129 | * |
| 130 | * q_o = ( q_i * s_i / s_o ) - z_i * s_i / s_o + z_o |
| 131 | * |
| 132 | * q_o = q_i / s_n + z_n |
| 133 | * |
| 134 | * Where: |
| 135 | * |
| 136 | * s_n = s_o / s_i |
| 137 | * |
| 138 | * z_n = - z_i * s_i / s_o + z_o |
| 139 | * |
| 140 | */ |
| 141 | const UniformQuantizationInfo qinfo_in = _input->info()->quantization_info().uniform(); |
| 142 | scale_to_apply /= qinfo_in.scale; |
| 143 | // In order to minimize flooring we convert the offset to a float, |
| 144 | // then compute the new offset in the float domain, |
| 145 | // finally we convert it back as int32_t |
| 146 | offset_to_apply -= static_cast<int32_t>(static_cast<float>(qinfo_in.offset) * qinfo_in.scale / qinfo.scale); |
| 147 | } |
| 148 | |
Michele Di Giorgio | 56dd726 | 2017-07-27 09:53:49 +0100 | [diff] [blame] | 149 | // Create kernel |
Usama Arif | e03802e | 2019-03-11 12:20:20 +0000 | [diff] [blame] | 150 | CLBuildOptions build_opts; |
Manuel Bottini | 2f60221 | 2020-01-30 17:30:32 +0000 | [diff] [blame] | 151 | build_opts.add_option_if(is_data_type_float(_input->info()->data_type()), "-DIS_FLOAT"); |
| 152 | build_opts.add_option("-DSCALE=" + float_to_string_with_full_precision(scale_to_apply)); |
| 153 | build_opts.add_option("-DOFFSET=" + support::cpp11::to_string(offset_to_apply)); |
Usama Arif | e03802e | 2019-03-11 12:20:20 +0000 | [diff] [blame] | 154 | build_opts.add_option("-DVEC_SIZE=" + support::cpp11::to_string(vec_size_x)); |
Michele Di Giorgio | d87a7b2 | 2019-09-10 10:42:27 +0100 | [diff] [blame] | 155 | build_opts.add_option("-DDATA_TYPE_IN=" + get_cl_type_from_data_type(input->info()->data_type())); |
| 156 | build_opts.add_option("-DDATA_TYPE_OUT=" + get_cl_type_from_data_type(output_data_type)); |
Usama Arif | e03802e | 2019-03-11 12:20:20 +0000 | [diff] [blame] | 157 | build_opts.add_option_if(multi_access_x, "-DLAST_ACCESSED_X=" + support::cpp11::to_string(std::max<int>(input_width_x - vec_size_x, 0))); |
Michele Di Giorgio | d87a7b2 | 2019-09-10 10:42:27 +0100 | [diff] [blame] | 158 | std::pair<int, int> min_max_quant_values = quantization::get_min_max_values_from_quantized_data_type(output_data_type); |
| 159 | build_opts.add_option("-DMIN_QUANT_VAL=" + support::cpp11::to_string(min_max_quant_values.first)); |
| 160 | build_opts.add_option("-DMAX_QUANT_VAL=" + support::cpp11::to_string(min_max_quant_values.second)); |
| 161 | |
Manuel Bottini | 4c6bd51 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 162 | _kernel = create_kernel(compile_context, "quantization_layer", build_opts.options()); |
Alex Gilday | 60954c6 | 2018-03-05 16:22:48 +0000 | [diff] [blame] | 163 | } |
Michele Di Giorgio | 56dd726 | 2017-07-27 09:53:49 +0100 | [diff] [blame] | 164 | |
Usama Arif | e03802e | 2019-03-11 12:20:20 +0000 | [diff] [blame] | 165 | Status CLQuantizationLayerKernel::validate(const ITensorInfo *input, const ITensorInfo *output) |
Alex Gilday | 60954c6 | 2018-03-05 16:22:48 +0000 | [diff] [blame] | 166 | { |
Usama Arif | e03802e | 2019-03-11 12:20:20 +0000 | [diff] [blame] | 167 | ARM_COMPUTE_RETURN_ON_ERROR(validate_arguments(input, output)); |
Michele Di Giorgio | d87a7b2 | 2019-09-10 10:42:27 +0100 | [diff] [blame] | 168 | ARM_COMPUTE_RETURN_ON_ERROR(validate_and_configure_window(input->clone().get(), output->clone().get()).first); |
Alex Gilday | 60954c6 | 2018-03-05 16:22:48 +0000 | [diff] [blame] | 169 | |
| 170 | return Status{}; |
Michele Di Giorgio | 56dd726 | 2017-07-27 09:53:49 +0100 | [diff] [blame] | 171 | } |
| 172 | |
| 173 | void CLQuantizationLayerKernel::run(const Window &window, cl::CommandQueue &queue) |
| 174 | { |
| 175 | ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); |
| 176 | ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(ICLKernel::window(), window); |
| 177 | |
| 178 | Window window_collapsed = window.collapse_if_possible(ICLKernel::window(), 3); |
| 179 | Window slice = window_collapsed.first_slice_window_3D(); |
| 180 | |
Michele Di Giorgio | 56dd726 | 2017-07-27 09:53:49 +0100 | [diff] [blame] | 181 | do |
| 182 | { |
| 183 | unsigned int idx = 0; |
| 184 | add_3D_tensor_argument(idx, _input, slice); |
| 185 | add_3D_tensor_argument(idx, _output, slice); |
Georgios Pinitas | 275f99c | 2019-08-23 12:44:11 +0100 | [diff] [blame] | 186 | enqueue(queue, *this, slice, lws_hint()); |
Michele Di Giorgio | 56dd726 | 2017-07-27 09:53:49 +0100 | [diff] [blame] | 187 | } |
Michalis Spyrou | 995f552 | 2018-01-29 13:43:35 +0000 | [diff] [blame] | 188 | while(window_collapsed.slide_window_slice_3D(slice)); |
Michele Di Giorgio | 56dd726 | 2017-07-27 09:53:49 +0100 | [diff] [blame] | 189 | } |
Michele Di Giorgio | d87a7b2 | 2019-09-10 10:42:27 +0100 | [diff] [blame] | 190 | } // namespace arm_compute |