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/*
* Copyright (c) 2019-2020 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/CLGenerateProposalsLayerKernel.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/CLValidate.h"
#include "arm_compute/core/CL/ICLArray.h"
#include "arm_compute/core/CL/ICLTensor.h"
#include "arm_compute/core/CL/OpenCL.h"
#include "arm_compute/core/Helpers.h"
#include "arm_compute/core/TensorInfo.h"
#include "arm_compute/core/Utils.h"
#include "arm_compute/core/Window.h"
#include "support/StringSupport.h"
namespace arm_compute
{
namespace
{
Status validate_arguments(const ITensorInfo *anchors, const ITensorInfo *all_anchors, const ComputeAnchorsInfo &info)
{
ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(anchors, all_anchors);
ARM_COMPUTE_RETURN_ERROR_ON_F16_UNSUPPORTED(anchors);
ARM_COMPUTE_RETURN_ERROR_ON(anchors->dimension(0) != info.values_per_roi());
ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_NOT_IN(anchors, DataType::QSYMM16, DataType::F16, DataType::F32);
ARM_COMPUTE_RETURN_ERROR_ON(anchors->num_dimensions() > 2);
if(all_anchors->total_size() > 0)
{
size_t feature_height = info.feat_height();
size_t feature_width = info.feat_width();
size_t num_anchors = anchors->dimension(1);
ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(all_anchors, anchors);
ARM_COMPUTE_RETURN_ERROR_ON(all_anchors->num_dimensions() > 2);
ARM_COMPUTE_RETURN_ERROR_ON(all_anchors->dimension(0) != info.values_per_roi());
ARM_COMPUTE_RETURN_ERROR_ON(all_anchors->dimension(1) != feature_height * feature_width * num_anchors);
if(is_data_type_quantized(anchors->data_type()))
{
ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_QUANTIZATION_INFO(anchors, all_anchors);
}
}
return Status{};
}
} // namespace
CLComputeAllAnchorsKernel::CLComputeAllAnchorsKernel()
: _anchors(nullptr), _all_anchors(nullptr)
{
}
void CLComputeAllAnchorsKernel::configure(const ICLTensor *anchors, ICLTensor *all_anchors, const ComputeAnchorsInfo &info)
{
configure(CLKernelLibrary::get().get_compile_context(), anchors, all_anchors, info);
}
void CLComputeAllAnchorsKernel::configure(const CLCompileContext &compile_context, const ICLTensor *anchors, ICLTensor *all_anchors, const ComputeAnchorsInfo &info)
{
ARM_COMPUTE_ERROR_ON_NULLPTR(anchors, all_anchors);
ARM_COMPUTE_ERROR_THROW_ON(validate_arguments(anchors->info(), all_anchors->info(), info));
// Metadata
const size_t num_anchors = anchors->info()->dimension(1);
const DataType data_type = anchors->info()->data_type();
const float width = info.feat_width();
const float height = info.feat_height();
// Initialize the output if empty
const TensorShape output_shape(info.values_per_roi(), width * height * num_anchors);
auto_init_if_empty(*all_anchors->info(), TensorInfo(output_shape, 1, data_type, anchors->info()->quantization_info()));
// Set instance variables
_anchors = anchors;
_all_anchors = all_anchors;
const bool is_quantized = is_data_type_quantized(anchors->info()->data_type());
// Set build options
CLBuildOptions build_opts;
build_opts.add_option("-DDATA_TYPE=" + get_cl_type_from_data_type(data_type));
build_opts.add_option("-DWIDTH=" + float_to_string_with_full_precision(width));
build_opts.add_option("-DHEIGHT=" + float_to_string_with_full_precision(height));
build_opts.add_option("-DSTRIDE=" + float_to_string_with_full_precision(1.f / info.spatial_scale()));
build_opts.add_option("-DNUM_ANCHORS=" + support::cpp11::to_string(num_anchors));
build_opts.add_option("-DNUM_ROI_FIELDS=" + support::cpp11::to_string(info.values_per_roi()));
if(is_quantized)
{
const UniformQuantizationInfo qinfo = anchors->info()->quantization_info().uniform();
build_opts.add_option("-DSCALE=" + float_to_string_with_full_precision(qinfo.scale));
build_opts.add_option("-DOFFSET=" + float_to_string_with_full_precision(qinfo.offset));
}
// Create kernel
const std::string kernel_name = (is_quantized) ? "generate_proposals_compute_all_anchors_quantized" : "generate_proposals_compute_all_anchors";
_kernel = create_kernel(compile_context, kernel_name, build_opts.options());
// The tensor all_anchors can be interpreted as an array of structs (each structs has values_per_roi fields).
// This means we don't need to pad on the X dimension, as we know in advance how many fields
// compose the struct.
Window win = calculate_max_window(*all_anchors->info(), Steps(info.values_per_roi()));
ICLKernel::configure_internal(win);
}
Status CLComputeAllAnchorsKernel::validate(const ITensorInfo *anchors, const ITensorInfo *all_anchors, const ComputeAnchorsInfo &info)
{
ARM_COMPUTE_RETURN_ON_ERROR(validate_arguments(anchors, all_anchors, info));
return Status{};
}
void CLComputeAllAnchorsKernel::run(const Window &window, cl::CommandQueue &queue)
{
ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this);
ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(IKernel::window(), window);
// Collapse everything on the first dimension
Window collapsed = window.collapse(ICLKernel::window(), Window::DimX);
// Set arguments
unsigned int idx = 0;
add_1D_tensor_argument(idx, _anchors, collapsed);
add_1D_tensor_argument(idx, _all_anchors, collapsed);
// Note that we don't need to loop over the slices, as we are launching exactly
// as many threads as all the anchors generated
enqueue(queue, *this, collapsed, lws_hint());
}
} // namespace arm_compute
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