|
Packit |
6c4009 |
/* Define timing macros.
|
|
Packit |
6c4009 |
Copyright (C) 2013-2018 Free Software Foundation, Inc.
|
|
Packit |
6c4009 |
This file is part of the GNU C Library.
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
The GNU C Library is free software; you can redistribute it and/or
|
|
Packit |
6c4009 |
modify it under the terms of the GNU Lesser General Public
|
|
Packit |
6c4009 |
License as published by the Free Software Foundation; either
|
|
Packit |
6c4009 |
version 2.1 of the License, or (at your option) any later version.
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
The GNU C Library is distributed in the hope that it will be useful,
|
|
Packit |
6c4009 |
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
Packit |
6c4009 |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Packit |
6c4009 |
Lesser General Public License for more details.
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
You should have received a copy of the GNU Lesser General Public
|
|
Packit |
6c4009 |
License along with the GNU C Library; if not, see
|
|
Packit |
6c4009 |
<http://www.gnu.org/licenses/>. */
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
#undef attribute_hidden
|
|
Packit |
6c4009 |
#define attribute_hidden
|
|
Packit |
6c4009 |
#include <hp-timing.h>
|
|
Packit |
6c4009 |
#include <stdint.h>
|
|
Packit |
6c4009 |
|
|
Packit Bot |
0c2104 |
#if HP_TIMING_AVAIL && !defined USE_CLOCK_GETTIME
|
|
Packit |
6c4009 |
# define GL(x) _##x
|
|
Packit |
6c4009 |
# define GLRO(x) _##x
|
|
Packit |
6c4009 |
typedef hp_timing_t timing_t;
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
# define TIMING_TYPE "hp_timing"
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
# define TIMING_INIT(res) ({ (res) = 1; })
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
# define TIMING_NOW(var) HP_TIMING_NOW (var)
|
|
Packit |
6c4009 |
# define TIMING_DIFF(diff, start, end) HP_TIMING_DIFF ((diff), (start), (end))
|
|
Packit |
6c4009 |
# define TIMING_ACCUM(sum, diff) HP_TIMING_ACCUM_NT ((sum), (diff))
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
#else
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
#include <time.h>
|
|
Packit |
6c4009 |
typedef uint64_t timing_t;
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
# define TIMING_TYPE "clock_gettime"
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
/* Measure the resolution of the clock so we can scale the number of
|
|
Packit |
6c4009 |
benchmark iterations by this value. */
|
|
Packit |
6c4009 |
# define TIMING_INIT(res) \
|
|
Packit |
6c4009 |
({ \
|
|
Packit |
6c4009 |
struct timespec start; \
|
|
Packit |
6c4009 |
clock_getres (CLOCK_PROCESS_CPUTIME_ID, &start;; \
|
|
Packit |
6c4009 |
(res) = start.tv_nsec; \
|
|
Packit |
6c4009 |
})
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
# define TIMING_NOW(var) \
|
|
Packit |
6c4009 |
({ \
|
|
Packit |
6c4009 |
struct timespec tv; \
|
|
Packit |
6c4009 |
clock_gettime (CLOCK_PROCESS_CPUTIME_ID, &tv;; \
|
|
Packit |
6c4009 |
(var) = (uint64_t) (tv.tv_nsec + (uint64_t) 1000000000 * tv.tv_sec); \
|
|
Packit |
6c4009 |
})
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
# define TIMING_DIFF(diff, start, end) (diff) = (end) - (start)
|
|
Packit |
6c4009 |
# define TIMING_ACCUM(sum, diff) (sum) += (diff)
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
#endif
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
#define TIMING_PRINT_MEAN(d_total_s, d_iters) \
|
|
Packit |
6c4009 |
printf ("\t%g", (d_total_s) / (d_iters))
|