File Coverage

/usr/local/lib/perl5/site_perl/5.26.1/x86_64-linux/XS/libcatch.x/i/catch2/benchmark/catch_execution_plan.hpp

Criterion	Covered	Total	%
statement	0	12	0.0
branch	0	16	0.0
condition			n/a
subroutine			n/a
pod			n/a
total	0	28	0.0

//              Copyright Catch2 Authors
// Distributed under the Boost Software License, Version 1.0.
//   (See accompanying file LICENSE_1_0.txt or copy at
//        https://www.boost.org/LICENSE_1_0.txt)

// SPDX-License-Identifier: BSL-1.0
// Adapted from donated nonius code.

#ifndef CATCH_EXECUTION_PLAN_HPP_INCLUDED
#define CATCH_EXECUTION_PLAN_HPP_INCLUDED

#include
#include
#include
#include
#include
#include

#include
#include

namespace Catch {
    namespace Benchmark {
        template
        struct ExecutionPlan {
            int iterations_per_sample;
            Duration estimated_duration;
            Detail::BenchmarkFunction benchmark;
            Duration warmup_time;
            int warmup_iterations;

            template
            operator ExecutionPlan() const {
                return { iterations_per_sample, estimated_duration, benchmark, warmup_time, warmup_iterations };
            }

            template
            std::vector> run(const IConfig &cfg, Environment> env) const {
                // warmup a bit
                Detail::run_for_at_least(std::chrono::duration_cast>(warmup_time), warmup_iterations, Detail::repeat(now{}));

                std::vector> times;
                times.reserve(cfg.benchmarkSamples());
                std::generate_n(std::back_inserter(times), cfg.benchmarkSamples(), [this, env] {
                    Detail::ChronometerModel model;
                    this->benchmark(Chronometer(model, iterations_per_sample));
                    auto sample_time = model.elapsed() - env.clock_cost.mean;
                    if (sample_time < FloatDuration::zero()) sample_time = FloatDuration::zero();
                    return sample_time / iterations_per_sample;
                });
                return times;
            }
        };
    } // namespace Benchmark
} // namespace Catch

#endif // CATCH_EXECUTION_PLAN_HPP_INCLUDED