diff options
Diffstat (limited to 'src/core/gpu/cl/kernels/ClDequantizeKernel.cpp')
| -rw-r--r-- | src/core/gpu/cl/kernels/ClDequantizeKernel.cpp | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/src/core/gpu/cl/kernels/ClDequantizeKernel.cpp b/src/core/gpu/cl/kernels/ClDequantizeKernel.cpp new file mode 100644 index 0000000000..f2758b759f --- /dev/null +++ b/src/core/gpu/cl/kernels/ClDequantizeKernel.cpp @@ -0,0 +1,153 @@ +/* + * Copyright (c) 2017-2021 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/core/gpu/cl/kernels/ClDequantizeKernel.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 "src/core/CL/CLValidate.h" +#include "src/core/helpers/AutoConfiguration.h" +#include "src/core/helpers/WindowHelpers.h" + +#include "support/Cast.h" +#include "support/StringSupport.h" + +namespace arm_compute +{ +namespace opencl +{ +namespace kernels +{ +namespace +{ +Status validate_arguments(const ITensorInfo *src, const ITensorInfo *dst) +{ + ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(src, dst); + ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(src, 1, DataType::QASYMM8, DataType::QASYMM8_SIGNED, DataType::QSYMM8_PER_CHANNEL, DataType::QSYMM8, DataType::QSYMM16); + + if(dst->tensor_shape().total_size() > 0) + { + ARM_COMPUTE_RETURN_ERROR_ON_F16_UNSUPPORTED(dst); + ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(dst, 1, DataType::F16, DataType::F32); + ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_SHAPES(src, dst); + } + + return Status{}; +} +} // namespace + +void ClDequantizeKernel::configure(const CLCompileContext &compile_context, ITensorInfo *src, ITensorInfo *dst) +{ + ARM_COMPUTE_ERROR_ON_NULLPTR(src, dst); + + // Output tensor auto initialization if not yet initialized + auto_init_if_empty(*dst, src->tensor_shape(), 1, DataType::F32); + + auto padding_info = get_padding_info({ src, dst }); + + ARM_COMPUTE_ERROR_THROW_ON(validate_arguments(src, dst)); + + const int vec_size_x = 16 / dst->element_size(); + const int output_width_x = dst->tensor_shape().x(); + const bool multi_access_x = (output_width_x / vec_size_x > 0); + + const bool is_quantized_per_channel = is_data_type_quantized_per_channel(src->data_type()); + std::string kernel_name = "dequantization_layer"; + + // Create kernel + CLBuildOptions build_opts; + if(!is_quantized_per_channel) + { + const UniformQuantizationInfo qinfo = src->quantization_info().uniform(); + const int qoffset = is_data_type_quantized_asymmetric(src->data_type()) ? qinfo.offset : 0; + build_opts.add_option("-DSCALE=" + float_to_string_with_full_precision(qinfo.scale)); + build_opts.add_option("-DOFFSET=" + support::cpp11::to_string(qoffset)); + } + else + { + kernel_name += "_per_channel"; + kernel_name += src->data_layout() == DataLayout::NCHW ? "_nchw" : "_nhwc"; + } + + build_opts.add_option("-DVEC_SIZE=" + support::cpp11::to_string(vec_size_x)); + build_opts.add_option("-DDATA_TYPE_SRC=" + get_cl_type_from_data_type(src->data_type())); + build_opts.add_option("-DDATA_TYPE_DST=" + get_cl_type_from_data_type(dst->data_type())); + build_opts.add_option_if(multi_access_x, "-DLAST_ACCESSED_X=" + support::cpp11::to_string(std::max<int>(output_width_x - vec_size_x, 0))); + + // Create kernel name + _kernel = create_kernel(compile_context, kernel_name, build_opts.options()); + + // Configure kernel window + Window win = calculate_max_window(*dst); + if(multi_access_x) + { + win.set(Window::DimX, Window::Dimension(win.x().start(), ceil_to_multiple(win.x().end(), vec_size_x), vec_size_x)); + } + ICLKernel::configure_internal(win); + + ARM_COMPUTE_ERROR_ON(has_padding_changed(padding_info)); +} + +Status ClDequantizeKernel::validate(const ITensorInfo *src, const ITensorInfo *dst) +{ + ARM_COMPUTE_RETURN_ON_ERROR(validate_arguments(src, dst)); + return Status{}; +} + +void ClDequantizeKernel::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)); + + const bool is_quantized_per_channel = is_data_type_quantized_per_channel(src->info()->data_type()); + + // Collapse windo + Window new_window = is_quantized_per_channel ? window.collapse_if_possible(ICLKernel::window(), 4) : window.collapse_if_possible(ICLKernel::window(), 3); + Window slice = new_window.first_slice_window_3D(); + + if(is_quantized_per_channel) + { + unsigned int idx = num_arguments_per_3D_tensor() * 2; //Skip the input and output parameters + _kernel.setArg(idx++, src->quantization().scale->cl_buffer()); + } + + do + { + unsigned int idx = 0; + add_3D_tensor_argument(idx, src, slice); + add_3D_tensor_argument(idx, dst, slice); + enqueue(queue, *this, slice, lws_hint()); + } + while(new_window.slide_window_slice_3D(slice)); +} +} // namespace kernels +} // namespace opencl +} // namespace arm_compute |