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Update time.odin

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Add caveats.
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Jeroen van Rijn
2022-04-16 16:48:08 +02:00
parent 8bf73950fa
commit 91037766d2
1 changed files with 6 additions and 1 deletions
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core/time/time.odin
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@@ -214,12 +214,17 @@ time_add :: proc(t: Time, d: Duration) -> Time {
} }
// Accurate sleep borrowed from: https://blat-blatnik.github.io/computerBear/making-accurate-sleep-function/ // Accurate sleep borrowed from: https://blat-blatnik.github.io/computerBear/making-accurate-sleep-function/
//
// Accuracy seems to be pretty good out of the box on Linux, to within around 4µs worst case.
// On Windows it depends but is comparable with regular sleep in the worst case.
// To get the same kind of accuracy as on Linux, have your program call `win32.time_begin_period(1)` to
// tell Windows to use a more accurate timer for your process.
accurate_sleep :: proc(d: Duration) { accurate_sleep :: proc(d: Duration) {
to_sleep, estimate, mean, m2, count: Duration to_sleep, estimate, mean, m2, count: Duration
to_sleep = d to_sleep = d
estimate = 5 * Millisecond estimate = 5 * Millisecond
mean = 5 * Millisecond mean = 5 * Millisecond
count = 1 count = 1
for to_sleep > estimate { for to_sleep > estimate {