60 lines
2.3 KiB
C++
60 lines
2.3 KiB
C++
/*
|
|
* Created by Joachim on 16/04/2019.
|
|
* Adapted from donated nonius code.
|
|
*
|
|
* Distributed under the Boost Software License, Version 1.0. (See accompanying
|
|
* file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
|
|
*/
|
|
|
|
// Execution plan
|
|
|
|
#ifndef TWOBLUECUBES_CATCH_EXECUTION_PLAN_HPP_INCLUDED
|
|
#define TWOBLUECUBES_CATCH_EXECUTION_PLAN_HPP_INCLUDED
|
|
|
|
#include "../catch_config.hpp"
|
|
#include "catch_clock.hpp"
|
|
#include "catch_environment.hpp"
|
|
#include "detail/catch_benchmark_function.hpp"
|
|
#include "detail/catch_repeat.hpp"
|
|
#include "detail/catch_run_for_at_least.hpp"
|
|
|
|
#include <algorithm>
|
|
#include <iterator>
|
|
|
|
namespace Catch {
|
|
namespace Benchmark {
|
|
template <typename Duration>
|
|
struct ExecutionPlan {
|
|
int iterations_per_sample;
|
|
Duration estimated_duration;
|
|
Detail::BenchmarkFunction benchmark;
|
|
Duration warmup_time;
|
|
int warmup_iterations;
|
|
|
|
template <typename Duration2>
|
|
operator ExecutionPlan<Duration2>() const {
|
|
return { iterations_per_sample, estimated_duration, benchmark, warmup_time, warmup_iterations };
|
|
}
|
|
|
|
template <typename Clock>
|
|
std::vector<FloatDuration<Clock>> run(const IConfig &cfg, Environment<FloatDuration<Clock>> env) const {
|
|
// warmup a bit
|
|
Detail::run_for_at_least<Clock>(std::chrono::duration_cast<ClockDuration<Clock>>(warmup_time), warmup_iterations, Detail::repeat(now<Clock>{}));
|
|
|
|
std::vector<FloatDuration<Clock>> times;
|
|
times.reserve(cfg.benchmarkSamples());
|
|
std::generate_n(std::back_inserter(times), cfg.benchmarkSamples(), [this, env] {
|
|
Detail::ChronometerModel<Clock> model;
|
|
this->benchmark(Chronometer(model, iterations_per_sample));
|
|
auto sample_time = model.elapsed() - env.clock_cost.mean;
|
|
if (sample_time < FloatDuration<Clock>::zero()) sample_time = FloatDuration<Clock>::zero();
|
|
return sample_time / iterations_per_sample;
|
|
});
|
|
return times;
|
|
}
|
|
};
|
|
} // namespace Benchmark
|
|
} // namespace Catch
|
|
|
|
#endif // TWOBLUECUBES_CATCH_EXECUTION_PLAN_HPP_INCLUDED
|