diff options
Diffstat (limited to 'xs/src/benchmark.h')
-rw-r--r-- | xs/src/benchmark.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/xs/src/benchmark.h b/xs/src/benchmark.h new file mode 100644 index 000000000..19870b37b --- /dev/null +++ b/xs/src/benchmark.h @@ -0,0 +1,58 @@ +/* + * Copyright (C) Tamás Mészáros + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ +#ifndef INCLUDE_BENCHMARK_H_ +#define INCLUDE_BENCHMARK_H_ + +#include <chrono> +#include <ratio> + +/** + * A class for doing benchmarks. + */ +class Benchmark { + typedef std::chrono::high_resolution_clock Clock; + typedef Clock::duration Duration; + typedef Clock::time_point TimePoint; + + TimePoint t1, t2; + Duration d; + + inline double to_sec(Duration d) { + return d.count() * double(Duration::period::num) / Duration::period::den; + } + +public: + + /** + * Measure time from the moment of this call. + */ + void start() { t1 = Clock::now(); } + + /** + * Measure time to the moment of this call. + */ + void stop() { t2 = Clock::now(); } + + /** + * Get the time elapsed between a start() end a stop() call. + * @return Returns the elapsed time in seconds. + */ + double getElapsedSec() { d = t2 - t1; return to_sec(d); } +}; + + +#endif /* INCLUDE_BENCHMARK_H_ */ |