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/*
* Copyright (c) 2018 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.
*/
#include "Benchmark.h"
#include <cstdlib>
Count::Count() : _value(1)
{
auto env = std::getenv("COUNT");
if (env)
{
_value = std::strtol(env, NULL, 0);
}
}
uint32_t Count::value(void) const { return _value; }
#include <boost/accumulators/accumulators.hpp>
#include <boost/accumulators/statistics/stats.hpp>
#include <boost/accumulators/statistics/mean.hpp>
#include <iostream>
#include <chrono>
using namespace boost::accumulators;
void run_benchmark(arm_compute::graph::frontend::Stream &graph)
{
// NOTE Here the number of warming-up iterations is hardcoded
// TODO Decide the number of warming-up iterations appropriately
for (uint32_t n = 0; n < 3; ++n)
{
auto beg = std::chrono::steady_clock::now();
graph.run();
auto end = std::chrono::steady_clock::now();
auto elapsed = std::chrono::duration_cast<std::chrono::milliseconds>(end - beg);
std::cout << "Warming-up " << n << ": " << elapsed.count() << "ms" << std::endl;
}
accumulator_set<double, stats<tag::mean>> acc;
const Count count;
for (uint32_t n = 0; n < count.value(); ++n)
{
auto beg = std::chrono::steady_clock::now();
graph.run();
auto end = std::chrono::steady_clock::now();
auto elapsed = std::chrono::duration_cast<std::chrono::milliseconds>(end - beg);
std::cout << "Iteration " << n << ": " << elapsed.count() << "ms" << std::endl;
acc(elapsed.count());
}
std::cout << "--------" << std::endl;
std::cout << "Mean: " << mean(acc) << "ms" << std::endl;
}
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