From 19fcec84d8d7d21e796c7624e521b60d28ee21ed Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:45:59 +0200 Subject: Adding upstream version 16.2.11+ds. Signed-off-by: Daniel Baumann --- src/boost/libs/hana/benchmark/measure.hpp | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 src/boost/libs/hana/benchmark/measure.hpp (limited to 'src/boost/libs/hana/benchmark/measure.hpp') diff --git a/src/boost/libs/hana/benchmark/measure.hpp b/src/boost/libs/hana/benchmark/measure.hpp new file mode 100644 index 000000000..a477fefcf --- /dev/null +++ b/src/boost/libs/hana/benchmark/measure.hpp @@ -0,0 +1,29 @@ +// Copyright Louis Dionne 2013-2017 +// Distributed under the Boost Software License, Version 1.0. +// (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt) + +#ifndef BOOST_HANA_BENCHMARK_MEASURE_HPP +#define BOOST_HANA_BENCHMARK_MEASURE_HPP + +#include +#include + + +namespace boost { namespace hana { namespace benchmark { + auto measure = [](auto f) { + constexpr auto repetitions = 500ull; + auto start = std::chrono::steady_clock::now(); + for (auto i = repetitions; i > 0; --i) { + f(); + } + auto stop = std::chrono::steady_clock::now(); + + auto time = std::chrono::duration_cast>( + (stop - start) / repetitions + ); + std::cout << std::fixed; + std::cout << "[execution time: " << time.count() << "]" << std::endl; + }; +}}} + +#endif -- cgit v1.2.3