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Make clock_gettime() faster on FreeBSD

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This commit is contained in:
Justine Tunney 2022-06-11 00:05:06 -07:00
parent 5deda43766
commit 5ea618f0af
15 changed files with 67 additions and 18 deletions
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29
test/libc/calls/clock_gettime_test.c
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@ -25,6 +25,7 @@
#include "libc/nexgen32e/rdtsc.h"
#include "libc/runtime/runtime.h"
#include "libc/sysv/consts/auxv.h"
#include "libc/sysv/consts/clock.h"
#include "libc/testlib/ezbench.h"
#include "libc/testlib/testlib.h"
#include "libc/time/time.h"
@ -50,19 +51,23 @@ BENCH(clock_gettime, bench) {
EZBENCH2("nowl", donothing, nowl());
EZBENCH2("rdtsc", donothing, rdtsc());
EZBENCH2("gettimeofday", donothing, gettimeofday(&tv, 0));
EZBENCH2("clock_gettime 0", donothing, clock_gettime(0, &ts));
EZBENCH2("clock_gettime 1", donothing, clock_gettime(1, &ts));
EZBENCH2("clock_gettime 4", donothing, clock_gettime(4, &ts));
EZBENCH2("__clock_gettime 0", donothing, __clock_gettime(0, &ts));
EZBENCH2("__clock_gettime 1", donothing, __clock_gettime(1, &ts));
EZBENCH2("__clock_gettime 4", donothing, __clock_gettime(4, &ts));
EZBENCH2("clock_gettime 0", donothing,
clock_gettime(CLOCK_REALTIME_FAST, &ts));
EZBENCH2("clock_gettime 1", donothing,
clock_gettime(CLOCK_MONOTONIC_FAST, &ts));
EZBENCH2("__clock_gettime 0", donothing,
__clock_gettime(CLOCK_REALTIME_FAST, &ts));
EZBENCH2("__clock_gettime 1", donothing,
__clock_gettime(CLOCK_MONOTONIC_FAST, &ts));
if (IsWindows()) {
EZBENCH2("sys_clock_gettime 0", donothing, sys_clock_gettime_nt(0, &ts));
EZBENCH2("sys_clock_gettime 1", donothing, sys_clock_gettime_nt(1, &ts));
EZBENCH2("sys_clock_gettime 4", donothing, sys_clock_gettime_nt(4, &ts));
EZBENCH2("sys_clock_gettime 0", donothing,
sys_clock_gettime_nt(CLOCK_REALTIME_FAST, &ts));
EZBENCH2("sys_clock_gettime 1", donothing,
sys_clock_gettime_nt(CLOCK_MONOTONIC_FAST, &ts));
} else {
EZBENCH2("sys_clock_gettime 0", donothing, sys_clock_gettime(0, &ts));
EZBENCH2("sys_clock_gettime 1", donothing, sys_clock_gettime(1, &ts));
EZBENCH2("sys_clock_gettime 4", donothing, sys_clock_gettime(4, &ts));
EZBENCH2("sys_clock_gettime 0", donothing,
sys_clock_gettime(CLOCK_REALTIME_FAST, &ts));
EZBENCH2("sys_clock_gettime 1", donothing,
sys_clock_gettime(CLOCK_MONOTONIC_FAST, &ts));
}
}