diff options
Diffstat (limited to 'src/bench.h')
-rw-r--r-- | src/bench.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/bench.h b/src/bench.h new file mode 100644 index 0000000000..668ec39f71 --- /dev/null +++ b/src/bench.h @@ -0,0 +1,37 @@ +/********************************************************************** + * Copyright (c) 2014 Pieter Wuille * + * Distributed under the MIT software license, see the accompanying * + * file COPYING or http://www.opensource.org/licenses/mit-license.php.* + **********************************************************************/ + +#ifndef _SECP256K1_BENCH_H_ +#define _SECP256K1_BENCH_H_ + +#include <stdio.h> +#include <math.h> +#include "sys/time.h" + +static double gettimedouble(void) { + struct timeval tv; + gettimeofday(&tv, NULL); + return tv.tv_usec * 0.000001 + tv.tv_sec; +} + +void run_benchmark(void (*benchmark)(void*), void (*setup)(void*), void (*teardown)(void*), void* data, int count, int iter) { + double min = HUGE_VAL; + double sum = 0.0; + double max = 0.0; + for (int i = 0; i < count; i++) { + if (setup) setup(data); + double begin = gettimedouble(); + benchmark(data); + double total = gettimedouble() - begin; + if (teardown) teardown(data); + if (total < min) min = total; + if (total > max) max = total; + sum += total; + } + printf("min %.3fus / avg %.3fus / max %.3fus\n", min * 1000000.0 / iter, (sum / count) * 1000000.0 / iter, max * 1000000.0 / iter); +} + +#endif |