r3/tests/bench.h
2014-05-22 17:03:33 +08:00

58 lines
1.1 KiB
C

/*
* bench.h
* Copyright (C) 2014 c9s <c9s@c9smba.local>
*
* Distributed under terms of the MIT license.
*/
#ifndef BENCH_H
#define BENCH_H
#include <stdlib.h>
#define MICRO_IN_SEC 1000000.00
#define SEC_IN_MIN 60
#define NUL '\0'
typedef struct {
long N; // N for each run
long R; // runs
double secs;
double start;
double end;
} bench;
long unixtime();
double microtime();
void bench_start(bench *b);
void bench_stop(bench *b);
double bench_iteration_speed(bench *b);
void bench_print_summary(bench *b);
double bench_duration(bench *b);
#define BENCHMARK(B) \
bench B; B.N = 5000000; B.R = 3; \
bench_start(&B); \
for (int _r = 0; _r < B.R ; _r++ ) { \
for (int _i = 0; _i < B.N ; _i++ ) {
#define END_BENCHMARK(B) \
} \
} \
bench_stop(&B);
#define BENCHMARK_SUMMARY(B) bench_print_summary(&B);
#define BENCHMARK_RECORD_CSV(B,filename) \
FILE *fp = fopen(filename, "a+"); \
fprintf(fp, "%ld,%.2f\n", unixtime(), (B.N * B.R) / (B.end - B.start)); \
fclose(fp);
#endif /* !BENCH_H */