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/*
* Copyright (c) 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.
*/
#pragma once
#include "pooling.hpp"
#include <cstddef>
#include <functional>
#include <cstring>
namespace arm_conv {
namespace pooling {
template <typename TInput, typename TOutput, class OutputStage = Nothing>
struct PoolingImplementation
{
const PoolingMethod method;
const char * name;
std::function<bool(const PoolingArgs &, const OutputStage &)> is_supported;
std::function<uint64_t(const PoolingArgs &, const OutputStage &)> cycle_estimate;
std::function<PoolingCommon<TInput, TOutput, OutputStage> *(const PoolingArgs &, const OutputStage &)> initialise;
bool get_is_supported(const PoolingArgs &args, const OutputStage &os) const
{
return (is_supported == nullptr) ? true : is_supported(args, os);
}
uint64_t get_cycle_estimate(const PoolingArgs &args, const OutputStage &os) const
{
return (cycle_estimate == nullptr) ? 0 : cycle_estimate(args, os);
}
PoolingCommon<TInput, TOutput, OutputStage> *get_instance(const PoolingArgs &args, const OutputStage &os) const
{
return initialise(args, os);
}
};
template <typename TInput, typename TOutput, class OutputStage = Nothing>
const PoolingImplementation<TInput, TOutput, OutputStage> *pooling_implementation_list();
template <typename TInput, typename TOutput, class OutputStage = Nothing>
bool find_implementation(
const PoolingArgs &args,
const OutputStage &os,
const PoolingImplementation<TInput, TOutput, OutputStage> * &selected
)
{
// For now, return the first valid implementation
const auto *impl = pooling_implementation_list<TInput, TOutput, OutputStage>();
for (; impl->method != PoolingMethod::DEFAULT; impl++)
{
if (args.config != nullptr)
{
// Apply filters provided by the configuration
const auto cfg = args.config;
if (cfg->filter != "" && !std::strstr(impl->name, cfg->filter.c_str()))
{
continue;
}
}
if (impl->get_is_supported(args, os))
{
selected = impl;
return true;
}
}
return false;
}
template <typename TInput, typename TOutput, class OutputStage>
UniquePoolingCommon<TInput, TOutput, OutputStage> pooling(const PoolingArgs &args, const OutputStage &os)
{
const PoolingImplementation<TInput, TOutput, OutputStage> *impl = nullptr;
const bool success = find_implementation<TInput, TOutput, OutputStage>(args, os, impl);
return UniquePoolingCommon<TInput, TOutput, OutputStage>(success ? impl->get_instance(args, os) : nullptr);
}
} // namespace pooling
} // namespace arm_conv
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