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/*
* Copyright (c) 2017-2018 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/runtime/NEON/functions/NEPoolingLayer.h"
#include "arm_compute/core/ITensor.h"
#include "arm_compute/runtime/NEON/NEScheduler.h"
#include "support/ToolchainSupport.h"
using namespace arm_compute;
NEPoolingLayer::NEPoolingLayer()
: _pooling_layer_kernel(), _border_handler(), _is_global_pooling_layer(false), _data_layout(DataLayout::NCHW)
{
}
void NEPoolingLayer::configure(ITensor *input, ITensor *output, const PoolingLayerInfo &pool_info)
{
// Check if we have Global Pooling Layer
_is_global_pooling_layer = (input->info()->dimension(0) == pool_info.pool_size().width) && (input->info()->dimension(1) == pool_info.pool_size().height);
// Get data layout
_data_layout = input->info()->data_layout();
// Configure pooling kernel
_pooling_layer_kernel.configure(input, output, pool_info);
switch(_data_layout)
{
case DataLayout::NCHW:
{
// Configure border depending on operation required (quantize border in case of asymmetric data_type)
BorderMode border_mode = (pool_info.pool_type() == PoolingType::MAX) ? BorderMode::REPLICATE : BorderMode::CONSTANT;
PixelValue zero_value(0.f);
if(is_data_type_quantized_asymmetric(input->info()->data_type()) && !pool_info.exclude_padding())
{
zero_value = PixelValue(static_cast<uint32_t>(input->info()->quantization_info().offset));
}
_border_handler.configure(input, _pooling_layer_kernel.border_size(), border_mode, zero_value);
break;
}
case DataLayout::NHWC:
break;
default:
ARM_COMPUTE_ERROR("Data layout not supported");
}
}
Status NEPoolingLayer::validate(const ITensorInfo *input, const ITensorInfo *output, const PoolingLayerInfo &pool_info)
{
return NEPoolingLayerKernel::validate(input, output, pool_info);
}
void NEPoolingLayer::run()
{
switch(_data_layout)
{
case DataLayout::NCHW:
// Fill border
NEScheduler::get().schedule(&_border_handler, Window::DimY);
// Run pooling layer
NEScheduler::get().schedule(&_pooling_layer_kernel, _is_global_pooling_layer ? Window::DimZ : Window::DimY);
break;
case DataLayout::NHWC:
// Run pooling layer
NEScheduler::get().schedule(&_pooling_layer_kernel, Window::DimX);
break;
default:
ARM_COMPUTE_ERROR("Data layout not supported");
}
}
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