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/*
* Copyright (c) 2019 Samsung Electronics Co., Ltd. All Rights Reserved
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* Copyright (c) 2017-2019 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/runtime/NEON/functions/NEReductionOperationEx.h"
#include "arm_compute/core/Helpers.h"
#include "arm_compute/runtime/NEON/NEScheduler.h"
namespace arm_compute
{
namespace
{
/** Define dimension to split the window
*
* @param[in] axis Reduction axis
*
* @return The dimension to split the window
*/
size_t reduction_window_split_dimension(unsigned int axis)
{
switch (axis)
{
case 0:
return Window::DimY;
case 1:
case 2:
case 3:
return Window::DimX;
default:
ARM_COMPUTE_ERROR("Unsupported reduction axis");
}
}
} // namespace
NEReductionOperationEx::NEReductionOperationEx()
: _reduction_kernel(), _fill_border_kernel(), _window_split(0), _reduction_axis()
{
}
Status NEReductionOperationEx::validate(const ITensorInfo *input, const ITensorInfo *output,
unsigned int axis, ReduceOperation op)
{
ARM_COMPUTE_RETURN_ON_ERROR(NEReductionOperationKernelEx::validate(input, output, axis, op));
return Status{};
}
void NEReductionOperationEx::configure(ITensor *input, ITensor *output, unsigned int axis,
ReduceOperation op)
{
ARM_COMPUTE_ERROR_ON_NULLPTR(input, output);
ARM_COMPUTE_ERROR_THROW_ON(
NEReductionOperationEx::validate(input->info(), output->info(), axis, op));
// Configure reduction kernel
_reduction_kernel.configure(input, output, axis, op);
_window_split = reduction_window_split_dimension(axis);
_reduction_axis = axis;
if (axis == 0)
{
// Configure fill border kernel
const BorderSize fill_border_size = _reduction_kernel.border_size();
PixelValue pixelValue;
switch (op)
{
case ReduceOperation::MIN:
{
switch (input->info()->data_type())
{
case DataType::F32:
{
pixelValue = PixelValue(std::numeric_limits<float>::max());
break;
}
case DataType::F16:
{
pixelValue = PixelValue(static_cast<half>(65504.0f));
break;
}
case DataType::QASYMM8:
{
pixelValue =
PixelValue(255, input->info()->data_type(), input->info()->quantization_info());
break;
}
default:
{
ARM_COMPUTE_ERROR("Unsupported DataType");
}
}
break;
}
case ReduceOperation::MAX:
{
switch (input->info()->data_type())
{
case DataType::F32:
{
pixelValue = PixelValue(-std::numeric_limits<float>::max());
break;
}
case DataType::F16:
{
pixelValue = PixelValue(static_cast<half>(-65504.0f));
break;
}
case DataType::QASYMM8:
{
pixelValue =
PixelValue(0, input->info()->data_type(), input->info()->quantization_info());
break;
}
default:
{
ARM_COMPUTE_ERROR("Unsupported DataType");
}
}
break;
}
default:
ARM_COMPUTE_ERROR("Reduction Operation unsupported");
}
_fill_border_kernel.configure(input, fill_border_size, BorderMode::CONSTANT, pixelValue);
}
}
void NEReductionOperationEx::run()
{
if (_reduction_axis == 0)
{
NEScheduler::get().schedule(&_fill_border_kernel, Window::DimY);
}
NEScheduler::get().schedule(&_reduction_kernel, _window_split);
}
} // namespace arm_compute
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