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37 lines
1.3 KiB
C
37 lines
1.3 KiB
C
/**********************************************************************
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* Copyright (c) 2014 Pieter Wuille *
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* Distributed under the MIT software license, see the accompanying *
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* file COPYING or http://www.opensource.org/licenses/mit-license.php.*
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**********************************************************************/
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#ifndef _SECP256K1_BENCH_H_
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#define _SECP256K1_BENCH_H_
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#include <stdio.h>
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#include <math.h>
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#include "sys/time.h"
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static double gettimedouble(void) {
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struct timeval tv;
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gettimeofday(&tv, NULL);
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return tv.tv_usec * 0.000001 + tv.tv_sec;
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}
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void run_benchmark(void (*benchmark)(void*), void (*setup)(void*), void (*teardown)(void*), void* data, int count, int iter) {
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double min = HUGE_VAL;
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double sum = 0.0;
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double max = 0.0;
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for (int i = 0; i < count; i++) {
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if (setup) setup(data);
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double begin = gettimedouble();
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benchmark(data);
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double total = gettimedouble() - begin;
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if (teardown) teardown(data);
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if (total < min) min = total;
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if (total > max) max = total;
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sum += total;
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}
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printf("min %.3fus / avg %.3fus / max %.3fus\n", min * 1000000.0 / iter, (sum / count) * 1000000.0 / iter, max * 1000000.0 / iter);
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}
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#endif
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