src/runtime/NEON/functions/NEBatchNormalizationLayer.cpp

/*
 * 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/NEBatchNormalizationLayer.h"

#include "arm_compute/core/Error.h"
#include "arm_compute/core/TensorInfo.h"
#include "arm_compute/core/Types.h"
#include "arm_compute/core/Validate.h"
#include "arm_compute/runtime/NEON/NEScheduler.h"

using namespace arm_compute;

NEBatchNormalizationLayer::NEBatchNormalizationLayer()
    : _norm_kernel(), _act_func(), _act_info_enabled(false)
{
}

void NEBatchNormalizationLayer::configure(ITensor *input, ITensor *output, const ITensor *mean, const ITensor *var, const ITensor *beta, const ITensor *gamma, float epsilon,
                                          ActivationLayerInfo act_info)
{
    _act_info_enabled = act_info.enabled();

    // Configure kernel
    _norm_kernel.configure(input, output, mean, var, beta, gamma, epsilon);
    if(_act_info_enabled)
    {
        _act_func.configure(output, nullptr, act_info);
    }
}

Status NEBatchNormalizationLayer::validate(const ITensorInfo *input, const ITensorInfo *output, const ITensorInfo *mean, const ITensorInfo *var, const ITensorInfo *beta, const ITensorInfo *gamma,
                                           float epsilon, ActivationLayerInfo act_info)
{
    ARM_COMPUTE_RETURN_ON_ERROR(NEBatchNormalizationLayerKernel::validate(input, output, mean, var, beta, gamma, epsilon));
    if(act_info.enabled())
    {
        ARM_COMPUTE_RETURN_ON_ERROR(NEActivationLayer::validate(output, nullptr, act_info));
    }

    return Status{};
}

void NEBatchNormalizationLayer::run()
{
    NEScheduler::get().schedule(&_norm_kernel, Window::DimY);
    if(_act_info_enabled)
    {
        _act_func.run();
    }
}