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/*
* Copyright (C) 2025 Alexander Borisov
*
* Author: Alexander Borisov <borisov@lexbor.com>
*/
#ifndef LEXBOR_BENCHMARK_H
#define LEXBOR_BENCHMARK_H
#ifdef __cplusplus
extern "C" {
#endif
#include <lexbor/core/conv.h>
#include <lexbor/core/perf.h>
#define BENCHMARK_FAILURE(...) \
do { \
fprintf(stderr, __VA_ARGS__); \
fprintf(stderr, "\n"); \
exit(EXIT_FAILURE); \
} \
while (0)
#define BENCHMARK_INIT \
lxb_char_t buf[128]; \
char *buf_p = (char *) buf; \
setbuf(stdout, NULL)
#define BENCHMARK_ADD(_name_, _caption_, _repeat_, _context_) \
do { \
printf("Run: %s; Repeat: %d; ", (const char *) _caption_, _repeat_); \
\
double res = benchmark_ ##_name_(_repeat_, _context_); \
size_t len = lexbor_conv_float_to_data(res, buf, sizeof(buf) - 1); \
buf[len] = '\0'; \
\
char *p = strchr(buf_p, '.'); \
if (p != NULL) { \
size_t n = p - buf_p + 1; \
if (len - n > 5) { \
len = n + 5; \
} \
} \
printf("Result: %.*s sec\n", (int) len, buf_p); \
} \
while (false)
#define BENCHMARK_BEGIN(_name_, _context_) \
static double \
benchmark_ ## _name_(size_t _repeat, void *_context_) \
{ \
double _mean; \
void *perf = lexbor_perf_create();
#define BENCHMARK_CODE \
_mean = 0; \
\
for (size_t _n = 0; _n < 5; _n++) { \
lexbor_perf_begin(perf); \
\
for (size_t _i = 0; _i < _repeat; _i++) {
#define BENCHMARK_CODE_END \
} \
\
lexbor_perf_end(perf); \
_mean += lexbor_perf_in_sec(perf); \
}
#define BENCHMARK_END \
lexbor_perf_destroy(perf); \
\
return _mean / 5.0f; \
}
#define test_eq(have, need) \
do { \
if ((have) != (need)) { \
BENCHMARK_FAILURE("Failure\n%s:%d:%s\n", \
__FILE__, __LINE__, __func__); \
} \
} \
while (0)
#define test_ne(have, need) \
do { \
if ((have) == (need)) { \
BENCHMARK_FAILURE("Failure\n%s:%d:%s\n", \
__FILE__, __LINE__, __func__); \
} \
} \
while (0)
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* LEXBOR_BENCHMARK_H */
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