/* * Copyright (c) 2017 ARM Limited. * * SPDX-License-Identifier: MIT * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to * deal in the Software without restriction, including without limitation the * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or * sell copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ #include "arm_compute/core/CL/kernels/CLGEMMLowpQuantizeDownInt32ToUint8ScaleKernel.h" #include "arm_compute/core/AccessWindowStatic.h" #include "arm_compute/core/CL/ICLTensor.h" #include "arm_compute/core/Error.h" #include "arm_compute/core/Helpers.h" #include "arm_compute/core/Types.h" #include "arm_compute/core/Validate.h" #include "arm_compute/core/Window.h" #include "support/ToolchainSupport.h" using namespace arm_compute; namespace arm_compute { class Coordinates; } // namespace arm_compute CLGEMMLowpQuantizeDownInt32ToUint8ScaleKernel::CLGEMMLowpQuantizeDownInt32ToUint8ScaleKernel() : _input(nullptr), _bias(nullptr), _output(nullptr) { } void CLGEMMLowpQuantizeDownInt32ToUint8ScaleKernel::configure(const ICLTensor *input, const ICLTensor *bias, ICLTensor *output, int result_offset, int result_mult_int, int result_shift, int min, int max) { ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::S32); ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output, 1, DataType::QASYMM8); ARM_COMPUTE_ERROR_ON(max > 255); ARM_COMPUTE_ERROR_ON(min < 0 || min > max); if(bias != nullptr) { ARM_COMPUTE_ERROR_ON_MISMATCHING_DATA_TYPES(input, bias); ARM_COMPUTE_ERROR_ON(bias->info()->num_dimensions() > 1); ARM_COMPUTE_ERROR_ON(input->info()->dimension(0) != bias->info()->dimension(0)); } _input = input; _bias = bias; _output = output; // Set the arguments to pass at compile time CLBuildOptions build_opts; build_opts.add_option("-DRESULT_OFFSET=" + support::cpp11::to_string(result_offset)); build_opts.add_option("-DRESULT_MULT_INT=" + support::cpp11::to_string(result_mult_int)); build_opts.add_option("-DRESULT_SHIFT=" + support::cpp11::to_string(result_shift)); build_opts.add_option_if((min != 0) && (min != max), "-DMIN_BOUND=" + support::cpp11::to_string(min)); build_opts.add_option_if((max != 255) && (min != max), "-DMAX_BOUND=" + support::cpp11::to_string(max)); build_opts.add_option_if(bias != nullptr, "-DADD_BIAS"); // Create kernel _kernel = static_cast(CLKernelLibrary::get().create_kernel("gemmlowp_output_stage_quantize_down", build_opts.options())); constexpr unsigned int num_elems_processed_per_iteration = 16; // Configure kernel window Window win = calculate_max_window(*output->info(), Steps(num_elems_processed_per_iteration)); AccessWindowHorizontal input_access(input->info(), 0, num_elems_processed_per_iteration); AccessWindowHorizontal output_result_access(output->info(), 0, num_elems_processed_per_iteration); update_window_and_padding(win, input_access, output_result_access); if(bias != nullptr) { AccessWindowStatic bias_access(bias->info(), 0, 0, ceil_to_multiple(bias->info()->dimension(0), num_elems_processed_per_iteration), bias->info()->tensor_shape()[1]); update_window_and_padding(win, bias_access); } output_result_access.set_valid_region(win, ValidRegion(Coordinates(0, 0), output->info()->tensor_shape())); ICLKernel::configure(win); } void CLGEMMLowpQuantizeDownInt32ToUint8ScaleKernel::run(const Window &window, cl::CommandQueue &queue) { ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(ICLKernel::window(), window); Window collapsed = window.collapse_if_possible(ICLKernel::window(), Window::DimZ); Window slice = collapsed.first_slice_window_3D(); unsigned int idx1 = num_arguments_per_3D_tensor(); if(_bias != nullptr) { Window biases_slice(slice); biases_slice.set(Window::DimY, Window::Dimension(0, 1, 1)); biases_slice.set(Window::DimZ, Window::Dimension(0, 1, 1)); add_1D_tensor_argument(idx1, _bias, biases_slice); } do { unsigned int idx = 0; add_3D_tensor_argument(idx, _input, slice); add_3D_tensor_argument(idx1, _output, slice); enqueue(queue, *this, slice); } while(collapsed.slide_window_slice_3D(slice)); }