From 77589b58d55a181d49d5d94126c7e204af2835bc Mon Sep 17 00:00:00 2001 From: Georgios Pinitas Date: Tue, 21 Aug 2018 14:41:35 +0100 Subject: COMPMID-1235: Implements StridedSlice for CL Change-Id: If2b44da31fae528c76be742b4b3a21fb0eb06b49 Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/145284 Reviewed-by: Giuseppe Rossini Tested-by: Jenkins --- src/core/CL/kernels/CLStridedSliceKernel.cpp | 189 +++++++++++++++++++++++++++ 1 file changed, 189 insertions(+) create mode 100644 src/core/CL/kernels/CLStridedSliceKernel.cpp (limited to 'src/core/CL/kernels/CLStridedSliceKernel.cpp') diff --git a/src/core/CL/kernels/CLStridedSliceKernel.cpp b/src/core/CL/kernels/CLStridedSliceKernel.cpp new file mode 100644 index 0000000000..f07436ac60 --- /dev/null +++ b/src/core/CL/kernels/CLStridedSliceKernel.cpp @@ -0,0 +1,189 @@ +/* + * Copyright (c) 2018 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/CLStridedSliceKernel.h" + +#include "arm_compute/core/CL/CLHelpers.h" +#include "arm_compute/core/CL/CLKernelLibrary.h" +#include "arm_compute/core/CL/CLValidate.h" +#include "arm_compute/core/CL/ICLTensor.h" +#include "arm_compute/core/IAccessWindow.h" +#include "arm_compute/core/TensorInfo.h" +#include "arm_compute/core/Window.h" + +#include "arm_compute/core/Types.h" +#include "arm_compute/core/utils/helpers/tensor_transform.h" +#include "arm_compute/core/utils/misc/ShapeCalculator.h" + +namespace arm_compute +{ +namespace +{ +Status validate_arguments(const ITensorInfo *input, const ITensorInfo *output, + const Coordinates &starts, const Coordinates &ends, const BiStrides &strides, + int32_t begin_mask, int32_t end_mask, int32_t shrink_axis_mask) +{ + ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(input, output); + ARM_COMPUTE_RETURN_ERROR_ON_F16_UNSUPPORTED(input); + ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, + DataType::U8, DataType::S8, DataType::QASYMM8, + DataType::U16, DataType::S16, + DataType::U32, DataType::S32, + DataType::F16, DataType::F32); + + ARM_COMPUTE_RETURN_ERROR_ON(input->tensor_shape().num_dimensions() > 4); + ARM_COMPUTE_RETURN_ERROR_ON(starts.num_dimensions() > input->num_dimensions()); + ARM_COMPUTE_RETURN_ERROR_ON(ends.num_dimensions() > input->num_dimensions()); + ARM_COMPUTE_RETURN_ERROR_ON(strides.num_dimensions() > input->num_dimensions()); + for(unsigned int i = 0; i < strides.num_dimensions(); ++i) + { + ARM_COMPUTE_RETURN_ERROR_ON(strides[i] == 0); + } + + // Get expected output shape + const TensorShape exp_output_shape = arm_compute::misc::shape_calculator::compute_strided_slice_shape(*input, + starts, ends, strides, + begin_mask, end_mask, shrink_axis_mask); + ARM_COMPUTE_RETURN_ERROR_ON(exp_output_shape.total_size() == 0); + + // Checks output if configured + if(output->total_size() != 0) + { + ARM_COMPUTE_RETURN_ERROR_ON(output->tensor_shape() != exp_output_shape); + ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(input, output); + } + + return Status{}; +} + +std::pair validate_and_configure_window(ITensorInfo *input, ITensorInfo *output, + const Coordinates &starts, const Coordinates &ends, const BiStrides &strides, + int32_t begin_mask, int32_t end_mask, int32_t shrink_axis_mask) +{ + // Output tensor auto initialization if not yet initialized + const TensorShape output_shape = arm_compute::misc::shape_calculator::compute_strided_slice_shape(*input, + starts, ends, strides, + begin_mask, end_mask, shrink_axis_mask); + auto_init_if_empty(*output, input->clone()->set_tensor_shape(output_shape)); + + // Create window + const unsigned int num_elems_processed_per_iteration = 1; + + Window win = calculate_max_window(*output, Steps(num_elems_processed_per_iteration)); + output->set_valid_region(ValidRegion(Coordinates(), output->tensor_shape())); + + return std::make_pair(Status{}, win); +} +} // namespace + +CLStridedSliceKernel::CLStridedSliceKernel() + : _input(nullptr), _output(nullptr) +{ +} + +void CLStridedSliceKernel::configure(const ICLTensor *input, ICLTensor *output, + const Coordinates &starts, const Coordinates &ends, const BiStrides &strides, + int32_t begin_mask, int32_t end_mask, int32_t shrink_axis_mask) +{ + ARM_COMPUTE_ERROR_ON_NULLPTR(input, output); + ARM_COMPUTE_ERROR_THROW_ON(validate_arguments(input->info(), output->info(), starts, ends, strides, begin_mask, end_mask, shrink_axis_mask)); + + _input = input; + _output = output; + + const TensorShape &input_shape = input->info()->tensor_shape(); + + const Coordinates final_strides = arm_compute::helpers::tensor_transform::strided_slice_strides(input_shape, strides); + const Coordinates starts_abs = arm_compute::helpers::tensor_transform::strided_slice_absolute_start_coords(input_shape, starts, final_strides, begin_mask); + const Coordinates ends_abs = arm_compute::helpers::tensor_transform::strided_slice_absolute_end_coords(input_shape, starts_abs, ends, final_strides, end_mask, shrink_axis_mask); + + // Configure kernel window + auto win_config = validate_and_configure_window(input->info(), output->info(), starts, ends, strides, begin_mask, end_mask, shrink_axis_mask); + ARM_COMPUTE_ERROR_THROW_ON(win_config.first); + ICLKernel::configure_internal(win_config.second); + + // Create build options + CLBuildOptions build_opts; + build_opts.add_option("-DDATA_TYPE=" + get_cl_type_from_data_type(input->info()->data_type())); + for(unsigned int i = 0; i < input_shape.num_dimensions(); ++i) + { + build_opts.add_option("-DSTART_" + support::cpp11::to_string(i) + "=" + support::cpp11::to_string(starts_abs[i])); + build_opts.add_option("-DSTRIDE_" + support::cpp11::to_string(i) + "=" + support::cpp11::to_string(final_strides[i])); + } + build_opts.add_option_if_else(input_shape.num_dimensions() > 2, + "-DSRC_DEPTH=" + support::cpp11::to_string(input_shape.z()), + "-DSRC_DEPTH=1"); + build_opts.add_option_if_else(_output->info()->num_dimensions() > 2, + "-DDST_DEPTH=" + support::cpp11::to_string(_output->info()->tensor_shape().z()), + "-DDST_DEPTH=1"); + + // Create kernel + _kernel = static_cast(CLKernelLibrary::get().create_kernel("strided_slice", build_opts.options())); + + // Set config_id for enabling LWS tuning + _config_id = "strided_slice"; + _config_id += "_"; + _config_id += lower_string(string_from_data_type(input->info()->data_type())); + for(unsigned int i = 0; i < input_shape.num_dimensions(); ++i) + { + _config_id += "_"; + _config_id += support::cpp11::to_string(input->info()->dimension(i)); + _config_id += "_"; + _config_id += support::cpp11::to_string(starts_abs[i]); + _config_id += "_"; + _config_id += support::cpp11::to_string(ends_abs[i]); + _config_id += "_"; + _config_id += support::cpp11::to_string(final_strides[i]); + } +} + +Status CLStridedSliceKernel::validate(const ITensorInfo *input, const ITensorInfo *output, + const Coordinates &starts, const Coordinates &ends, const BiStrides &strides, + int32_t begin_mask, int32_t end_mask, int32_t shrink_axis_mask) +{ + ARM_COMPUTE_RETURN_ON_ERROR(validate_arguments(input, output, starts, ends, strides, begin_mask, end_mask, shrink_axis_mask)); + ARM_COMPUTE_RETURN_ON_ERROR(validate_and_configure_window(input->clone().get(), output->clone().get(), + starts, ends, strides, begin_mask, end_mask, shrink_axis_mask) + .first); + + return Status{}; +} + +void CLStridedSliceKernel::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(), Window::DimZ); + Window slice = window_collapsed.first_slice_window_4D(); + + do + { + unsigned int idx = 0; + add_4D_tensor_argument(idx, _input, slice); + add_4D_tensor_argument(idx, _output, slice); + enqueue(queue, *this, slice, lws_hint()); + } + while(window_collapsed.slide_window_slice_4D(slice)); +} +} // namespace arm_compute -- cgit v1.2.1