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Improve performance of printf functions

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This commit is contained in:
Justine Tunney 2021-04-24 13:58:34 -07:00
parent b107d2709f
commit dc6d11a031
39 changed files with 577 additions and 650 deletions
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6
libc/calls/now.c
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@ -70,10 +70,6 @@ long double ConvertTicksToNanos(uint64_t ticks) {
return ticks * g_now.cpn; /* pico scale */
}
static long double ConvertTicksToSeconds(uint64_t ticks) {
return 1 / 1e9 * ConvertTicksToNanos(ticks);
}
long double nowl_sys(void) {
return dtime(CLOCK_REALTIME);
}
@ -82,5 +78,5 @@ long double nowl_art(void) {
uint64_t ticks;
if (!g_now.once) RefreshTime();
ticks = unsignedsubtract(rdtsc(), g_now.k0);
return g_now.r0 + ConvertTicksToSeconds(ticks);
return g_now.r0 + (1 / 1e9L * (ticks * g_now.cpn));
}