Abdelrahman Said
62 lines
2.0 KiB
C
62 lines
2.0 KiB
C
/*
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igraph library.
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Copyright (C) 2013-2024 The igraph development team <igraph@igraph.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef IGRAPH_BENCH_H
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#define IGRAPH_BENCH_H
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#include <sys/resource.h> /* getrusage */
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#include <sys/time.h> /* gettimeofday */
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#include <unistd.h> /* sleep */
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static inline void igraph_get_cpu_time(double *data) {
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struct rusage self;
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struct timeval real;
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gettimeofday(&real, NULL);
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getrusage(RUSAGE_SELF, &self);
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data[0] = (double) real.tv_sec + 1e-6 * real.tv_usec; /* real */
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data[1] = (double) self.ru_utime.tv_sec + 1e-6 * self.ru_utime.tv_usec; /* user */
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data[2] = (double) self.ru_stime.tv_sec + 1e-6 * self.ru_stime.tv_usec; /* system */
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}
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#define BENCH_INIT() \
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do { \
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printf("\n|> Benchmark file: %s\n", IGRAPH_FILE_BASENAME); \
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sleep(1); \
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} while (0)
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#define REPEAT(CODE, N) \
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do { \
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igraph_int_t rep_i; \
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for (rep_i=0; rep_i < N; ++rep_i) { CODE; } \
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} while (0)
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#define BENCH(NAME, ...) do { \
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double start[3], stop[3]; \
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double r, u, s; \
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igraph_get_cpu_time(start); \
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{ __VA_ARGS__; } \
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igraph_get_cpu_time(stop); \
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r = 1e-3 * round(1e3 * (stop[0] - start[0])); \
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u = 1e-3 * round(1e3 * (stop[1] - start[1])); \
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s = 1e-3 * round(1e3 * (stop[2] - start[2])); \
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printf("| %-80s %5.3gs %5.3gs %5.3gs\n", NAME, r, u, s); \
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} while (0)
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#endif
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