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Diffstat (limited to 'src/gpu/cl/kernels/ClScaleKernel.cpp')
| -rw-r--r-- | src/gpu/cl/kernels/ClScaleKernel.cpp | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/src/gpu/cl/kernels/ClScaleKernel.cpp b/src/gpu/cl/kernels/ClScaleKernel.cpp new file mode 100644 index 0000000000..9307f7d4fb --- /dev/null +++ b/src/gpu/cl/kernels/ClScaleKernel.cpp @@ -0,0 +1,213 @@ +/* + * Copyright (c) 2016-2021 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 "src/gpu/cl/kernels/ClScaleKernel.h" + +#include "arm_compute/core/CL/ICLTensor.h" +#include "arm_compute/core/TensorInfo.h" +#include "src/core/AccessWindowStatic.h" +#include "src/core/CL/CLValidate.h" +#include "src/core/helpers/WindowHelpers.h" +#include "src/core/utils/ScaleUtils.h" +#include "support/Cast.h" + +namespace arm_compute +{ +namespace opencl +{ +namespace kernels +{ +namespace +{ +inline std::pair<float, float> calculate_scale_factors(const ITensorInfo *src, const ITensorInfo *dst, DataLayout data_layout, bool align_corners) +{ + const int idx_width = get_data_layout_dimension_index(data_layout, DataLayoutDimension::WIDTH); + const int idx_height = get_data_layout_dimension_index(data_layout, DataLayoutDimension::HEIGHT); + + // Compute the ratio between source width/height and destination width/height + const unsigned int src_width = src->dimension(idx_width); + const unsigned int src_height = src->dimension(idx_height); + const unsigned int dst_width = dst->dimension(idx_width); + const unsigned int dst_height = dst->dimension(idx_height); + + float scale_x = arm_compute::scale_utils::calculate_resize_ratio(src_width, dst_width, align_corners); + float scale_y = arm_compute::scale_utils::calculate_resize_ratio(src_height, dst_height, align_corners); + + return std::make_pair(scale_x, scale_y); +} + +Status validate_arguments(const ITensorInfo *src, const ITensorInfo *dst, const ScaleKernelInfo &info) +{ + ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(src, dst); + ARM_COMPUTE_RETURN_ERROR_ON_F16_UNSUPPORTED(src); + ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(src, 1, DataType::QASYMM8, DataType::QASYMM8_SIGNED, DataType::U8, DataType::S16, DataType::F16, DataType::F32); + ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(src, dst); + ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_QUANTIZATION_INFO(src, dst); + ARM_COMPUTE_RETURN_ERROR_ON(dst == src); + ARM_COMPUTE_RETURN_ERROR_ON(info.align_corners && !arm_compute::scale_utils::is_align_corners_allowed_sampling_policy(info.sampling_policy)); + ARM_COMPUTE_RETURN_ERROR_ON(is_data_type_quantized(src->data_type()) && !is_data_type_quantized_asymmetric(src->data_type())); + + float scale_x = 0.f; + float scale_y = 0.f; + const DataLayout data_layout = info.data_layout == DataLayout::UNKNOWN ? src->data_layout() : info.data_layout; + std::tie(scale_x, scale_y) = calculate_scale_factors(src, dst, data_layout, info.align_corners); + + ARM_COMPUTE_RETURN_ERROR_ON(info.interpolation_policy == InterpolationPolicy::AREA && (scale_x > 1.f || scale_y > 1.f)); + + return Status{}; +} +} // namespace + +Status ClScaleKernel::validate(const ITensorInfo *src, const ITensorInfo *dst, const ScaleKernelInfo &info) +{ + ARM_COMPUTE_RETURN_ON_ERROR(validate_arguments(src, dst, info)); + return Status{}; +} + +ClScaleKernel::ClScaleKernel() +{ + _type = CLKernelType::ELEMENTWISE; +} + +void ClScaleKernel::configure(const CLCompileContext &compile_context, ITensorInfo *src, ITensorInfo *dst, const ScaleKernelInfo &info) +{ + ARM_COMPUTE_ERROR_THROW_ON(validate_arguments(src, dst, info)); + auto padding_info = get_padding_info({ src, dst }); + + // Info required for the static tuning + _data_layout = info.data_layout == DataLayout::UNKNOWN ? src->data_layout() : info.data_layout; + + const bool is_nhwc = _data_layout == DataLayout::NHWC; + + float scale_x = 0.f; + float scale_y = 0.f; + std::tie(scale_x, scale_y) = calculate_scale_factors(src, dst, _data_layout, info.align_corners); + const bool is_qasymm_bilinear = is_data_type_quantized_asymmetric(src->data_type()) && info.interpolation_policy == InterpolationPolicy::BILINEAR; + + // Area interpolation behaves as Nearest Neighbour in case of up-sampling + auto interpolation_policy_to_use = info.interpolation_policy; + if(info.interpolation_policy == InterpolationPolicy::AREA && scale_x <= 1.f && scale_y <= 1.f) + { + interpolation_policy_to_use = InterpolationPolicy::NEAREST_NEIGHBOR; + } + + // Create kernel + const int idx_width = get_data_layout_dimension_index(_data_layout, DataLayoutDimension::WIDTH); + const int idx_height = get_data_layout_dimension_index(_data_layout, DataLayoutDimension::HEIGHT); + const unsigned int src_width = src->dimension(idx_width); + const unsigned int src_height = src->dimension(idx_height); + const unsigned int dst_width = dst->dimension(idx_width); + const unsigned int vec_size = adjust_vec_size(is_nhwc ? 1 : 4, dst_width); + const unsigned int vec_size_leftover = (dst_width % vec_size); + + CLBuildOptions build_opts; + build_opts.add_option("-DDATA_TYPE=" + get_cl_type_from_data_type(src->data_type())); + build_opts.add_option("-DCONSTANT_VALUE=" + string_from_pixel_value(info.constant_border_value, src->data_type())); + build_opts.add_option("-DSRC_WIDTH=" + support::cpp11::to_string(src_width)); + build_opts.add_option("-DSRC_HEIGHT=" + support::cpp11::to_string(src_height)); + build_opts.add_option("-DSCALE_X=" + float_to_string_with_full_precision(scale_x)); + build_opts.add_option("-DSCALE_Y=" + float_to_string_with_full_precision(scale_y)); + + build_opts.add_option_if(info.border_mode == BorderMode::REPLICATE, "-DBORDER_MODE_REPLICATE"); + build_opts.add_option_if(info.border_mode == BorderMode::CONSTANT, "-DBORDER_MODE_CONSTANT"); + build_opts.add_option_if(!is_nhwc, "-DVEC_SIZE=" + support::cpp11::to_string(vec_size)); + build_opts.add_option_if(!is_nhwc, "-DVEC_SIZE_LEFTOVER=" + ((vec_size_leftover == 0) ? support::cpp11::to_string(vec_size) : support::cpp11::to_string(vec_size_leftover))); + build_opts.add_option_if(is_nhwc, "-DDEPTH_OUT=" + support::cpp11::to_string(dst->dimension(2))); + build_opts.add_option_if_else(info.sampling_policy == SamplingPolicy::CENTER, "-DSAMPLING_POLICY_CENTER", "-DSAMPLING_POLICY_TOP_LEFT"); + build_opts.add_option_if(info.align_corners, "-DALIGN_CORNERS"); + if(is_qasymm_bilinear) + { + const UniformQuantizationInfo qinfo = src->quantization_info().uniform(); + build_opts.add_option("-DSCALE=" + support::cpp11::to_string(qinfo.scale)); + build_opts.add_option("-DOFFSET=" + support::cpp11::to_string(qinfo.offset)); + } + std::string interpolation_name = string_from_interpolation_policy(interpolation_policy_to_use); + std::transform(interpolation_name.begin(), interpolation_name.end(), interpolation_name.begin(), ::tolower); + std::string kernel_name = "scale_" + interpolation_name + "_"; + kernel_name += lower_string(string_from_data_layout(_data_layout)); + + _kernel = create_kernel(compile_context, kernel_name, build_opts.options()); + + // Configure kernel window + Window win = calculate_max_window(*dst, Steps(vec_size)); + ICLKernel::configure_internal(win); + + ARM_COMPUTE_ERROR_ON(has_padding_changed(padding_info)); + + // Set config_id for enabling LWS tuning + _config_id = "scale_"; + _config_id += (info.border_mode == BorderMode::REPLICATE ? "Bord_rep" : ""); + _config_id += (info.sampling_policy == SamplingPolicy::CENTER ? "center" : "topleft"); + _config_id += (is_nhwc ? "nhwc" : "nchw"); + _config_id += "_"; + _config_id += support::cpp11::to_string(dst->dimension(0)); + _config_id += "_"; + _config_id += support::cpp11::to_string(dst->dimension(1)); + _config_id += "_"; + _config_id += support::cpp11::to_string(dst->dimension(2)); + _config_id += "_"; + _config_id += support::cpp11::to_string(dst->dimension(3)); +} + +void ClScaleKernel::run_op(ITensorPack &tensors, const Window &window, cl::CommandQueue &queue) +{ + ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); + ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(ICLKernel::window(), window); + + auto src = utils::cast::polymorphic_downcast<const ICLTensor *>(tensors.get_const_tensor(TensorType::ACL_SRC)); + auto dst = utils::cast::polymorphic_downcast<ICLTensor *>(tensors.get_tensor(TensorType::ACL_DST)); + + switch(_data_layout) + { + case DataLayout::NCHW: + { + Window slice = window.first_slice_window_2D(); + + do + { + unsigned int idx = 0; + add_2D_tensor_argument(idx, src, slice); + add_2D_tensor_argument(idx, dst, slice); + enqueue(queue, *this, slice, lws_hint()); + } + while(window.slide_window_slice_2D(slice)); + break; + } + case DataLayout::NHWC: + { + Window collapsed = window.collapse(ICLKernel::window(), Window::DimZ); + Window slice = collapsed.first_slice_window_4D(); + + unsigned int idx = 0; + add_4D_tensor_argument(idx, src, slice); + add_4D_tensor_argument(idx, dst, slice); + enqueue(queue, *this, slice, lws_hint()); + break; + } + default: + ARM_COMPUTE_ERROR("Data layout not supported"); + } +} +} // namespace kernels +} // namespace opencl +} // namespace arm_compute |