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Topic: High resolution timer (Read 828 times)
Borneq
Full Member
Posts: 248
High resolution timer
«
on:
May 02, 2022, 10:33:05 am »
Not milliseconds but microseconds.
In Windows is QueryPerformanceCounter.
Rdtsc is bad since new processors have multicores.
How is best solution for Linux?
Logged
Zvoni
Hero Member
Posts: 2327
Re: High resolution timer
«
Reply #1 on:
May 02, 2022, 10:38:11 am »
See here:
https://www.freepascal.org/docs-html/rtl/linux/clock_gettime.html
read this:
http://www.guyrutenberg.com/2007/09/22/profiling-code-using-clock_gettime/
https://stackoverflow.com/questions/6749621/how-to-create-a-high-resolution-timer-in-linux-to-measure-program-performance
https://stackoverflow.com/questions/3523442/difference-between-clock-realtime-and-clock-monotonic
You have to include unit "Linux"
«
Last Edit: May 02, 2022, 10:41:54 am by Zvoni
»
Logged
One System to rule them all, One Code to find them,
One IDE to bring them all, and to the Framework bind them,
in the Land of Redmond, where the Windows lie
---------------------------------------------------------------------
Code is like a joke: If you have to explain it, it's bad
Borneq
Full Member
Posts: 248
Re: High resolution timer
«
Reply #2 on:
May 02, 2022, 10:51:01 am »
EpikTimer is rdtsc based? I am going see these links.
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