From 56dd726ee074cb145612d03240b710f8adb82ddd Mon Sep 17 00:00:00 2001 From: Michele Di Giorgio Date: Thu, 27 Jul 2017 09:53:49 +0100 Subject: COMPMID-448: Implement CL Quantization/Dequantization Layer. Change-Id: Id002e23a2ac48af3d245416dc6411d9a04a1e513 Reviewed-on: http://mpd-gerrit.cambridge.arm.com/81827 Reviewed-by: Gian Marco Iodice Reviewed-by: Georgios Pinitas Tested-by: Kaizen --- src/core/CL/kernels/CLQuantizationLayerKernel.cpp | 101 ++++++++++++++++++++++ 1 file changed, 101 insertions(+) create mode 100644 src/core/CL/kernels/CLQuantizationLayerKernel.cpp (limited to 'src/core/CL/kernels/CLQuantizationLayerKernel.cpp') diff --git a/src/core/CL/kernels/CLQuantizationLayerKernel.cpp b/src/core/CL/kernels/CLQuantizationLayerKernel.cpp new file mode 100644 index 0000000000..47564436a9 --- /dev/null +++ b/src/core/CL/kernels/CLQuantizationLayerKernel.cpp @@ -0,0 +1,101 @@ +/* + * 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/CLQuantizationLayerKernel.h" + +#include "arm_compute/core/AccessWindowStatic.h" +#include "arm_compute/core/CL/CLHelpers.h" +#include "arm_compute/core/CL/CLKernelLibrary.h" +#include "arm_compute/core/CL/ICLTensor.h" +#include "arm_compute/core/TensorInfo.h" +#include "arm_compute/core/Utils.h" +#include "arm_compute/core/Validate.h" +#include "arm_compute/core/Window.h" + +using namespace arm_compute; + +CLQuantizationLayerKernel::CLQuantizationLayerKernel() + : _input(nullptr), _output(nullptr), _min_max(nullptr) +{ +} + +void CLQuantizationLayerKernel::configure(const ICLTensor *input, ICLTensor *output, ICLTensor *min_max) +{ + ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::F32); + ARM_COMPUTE_ERROR_ON_NULLPTR(output, min_max); + ARM_COMPUTE_ERROR_ON(input->info()->num_dimensions() < 3); + + // Output tensor auto initialization if not yet initialized + auto_init_if_empty(*output->info(), input->info()->tensor_shape(), 1, DataType::U8, 0); + + ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output, 1, DataType::U8); + ARM_COMPUTE_ERROR_ON_MISMATCHING_SHAPES(input, output); + + _input = input; + _output = output; + _min_max = min_max; + + constexpr unsigned int num_elems_processed_per_iteration = 4; + + // Create kernel + _kernel = static_cast(CLKernelLibrary::get().create_kernel("quantization_layer")); + + // Configure window + Window win = calculate_max_window(*input->info(), Steps(num_elems_processed_per_iteration)); + AccessWindowHorizontal input_access(input->info(), 0, num_elems_processed_per_iteration); + AccessWindowHorizontal output_access(output->info(), 0, num_elems_processed_per_iteration); + AccessWindowStatic min_max_access(min_max->info(), 0, 0, 2, min_max->info()->dimension(1)); + + // Update window and padding + update_window_and_padding(win, input_access, output_access, min_max_access); + + output_access.set_valid_region(win, input->info()->valid_region()); + + ICLKernel::configure(win); +} + +void CLQuantizationLayerKernel::run(const Window &window, cl::CommandQueue &queue) +{ + ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); + ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(ICLKernel::window(), window); + + Window window_collapsed = window.collapse_if_possible(ICLKernel::window(), 3); + Window slice = window_collapsed.first_slice_window_3D(); + + Window window_min_max; + window_min_max.use_tensor_dimensions(_min_max->info()->tensor_shape()); + window_min_max.set(Window::DimX, Window::Dimension(0, 1, 1)); + window_min_max.collapse_if_possible(ICLKernel::window(), 1); + + Window slice_min_max = window_min_max.first_slice_window_1D(); + + do + { + unsigned int idx = 0; + add_3D_tensor_argument(idx, _input, slice); + add_3D_tensor_argument(idx, _output, slice); + add_1D_tensor_argument(idx, _min_max, slice_min_max); + enqueue(queue, *this, slice); + } + while(window.slide_window_slice_3D(slice) && window_min_max.slide_window_slice_1D(slice_min_max)); +} -- cgit v1.2.1