Mercurial > gnulib
view tests/bench-digest.h @ 39340:fab3f3257c56
crypto/{md5,sha1,sha256,sha512} tests: Add benchmarks.
* tests/bench-digest.h: New file.
* tests/bench-md5.c: New file.
* tests/bench-sha1.c: New file.
* tests/bench-sha224.c: New file.
* tests/bench-sha256.c: New file.
* tests/bench-sha384.c: New file.
* tests/bench-sha512.c: New file.
* modules/crypto/md5-tests (Files): Add tests/bench-md5.c,
tests/bench-digest.h.
(Depends-on): Add getrusage, gettimeofday.
(Makefile.am): Add variables to build bench-md5.
* modules/crypto/sha1-tests (Files): Add tests/bench-sha1.c,
tests/bench-digest.h.
(Depends-on): Add getrusage, gettimeofday.
(Makefile.am): Add variables to build bench-sha1.
* modules/crypto/sha256-tests (Files): Add tests/bench-sha224.c,
tests/bench-sha256.c, tests/bench-digest.h.
(Depends-on): Add getrusage, gettimeofday.
(Makefile.am): Add variables to build bench-sha224, bench-sha256.
* modules/crypto/sha512-tests (Files): Add tests/bench-sha384.c,
tests/bench-sha512.c, tests/bench-digest.h.
(Depends-on): Add getrusage, gettimeofday.
(Makefile.am): Add variables to build bench-sha384, bench-sha512.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Sun, 06 May 2018 16:46:57 +0200 |
parents | |
children | b06060465f09 |
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/* * Copyright (C) 2018 Free Software Foundation, Inc. * * 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 3 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, see <https://www.gnu.org/licenses/>. */ #include <stdio.h> #include <stdlib.h> #include <sys/resource.h> #include <sys/time.h> struct timings_state { /* Filled when the timings start. */ struct timeval real_start; struct timeval user_start; struct timeval sys_start; /* Filled when the timings end. */ long real_usec; long user_usec; long sys_usec; }; static void timing_start (struct timings_state *ts) { struct rusage usage; getrusage (RUSAGE_SELF, &usage); ts->user_start = usage.ru_utime; ts->sys_start = usage.ru_stime; gettimeofday (&ts->real_start, NULL); } static void timing_end (struct timings_state *ts) { struct timeval real_end; struct rusage usage; gettimeofday (&real_end, NULL); getrusage (RUSAGE_SELF, &usage); ts->real_usec = (real_end.tv_sec - ts->real_start.tv_sec) * 1000000 + real_end.tv_usec - ts->real_start.tv_usec; ts->user_usec = (usage.ru_utime.tv_sec - ts->user_start.tv_sec) * 1000000 + usage.ru_utime.tv_usec - ts->user_start.tv_usec; ts->sys_usec = (usage.ru_stime.tv_sec - ts->sys_start.tv_sec) * 1000000 + usage.ru_stime.tv_usec - ts->sys_start.tv_usec; } static void timing_output (const struct timings_state *ts) { printf ("real %10.6f\n", (double)ts->real_usec / 1000000.0); printf ("user %7.3f\n", (double)ts->user_usec / 1000000.0); printf ("sys %7.3f\n", (double)ts->sys_usec / 1000000.0); } int main (int argc, char *argv[]) { if (argc != 3) { fprintf (stderr, "Usage: %s SIZE REPETITIONS\n", argv[0]); exit (1); } size_t size = atol (argv[1]); int repeat = atoi (argv[2]); char *memblock = (char *) malloc (size); /* Fill the memory block. */ { size_t i; for (i = 0; i < size; i++) memblock[i] = (unsigned char) (((i * (i-1) * (i-5)) >> 6) + (i % 499) + (i % 101)); } struct timings_state ts; timing_start (&ts); int count; for (count = 0; count < repeat; count++) { char digest[64]; FUNC (memblock, size, digest); } timing_end (&ts); timing_output (&ts); return 0; }