Messages in this thread | | | Date | Mon, 19 Jul 1999 19:41:00 +0200 | From | Artur Skawina <> | Subject | Re: Measured overhead of timer interrupts |
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Jamie Lokier wrote:
> Ok, I just measured it, and it is more than I expected. The code is > attached at the end. (You can use it for measuring other interrupt
> Extrapolating to 1024Hz, expect 1.4566% time to go servicing the timer > interrupts. > > Quite how this translates to "reasonable 486+ its definitely a non > issue" I can't see. Maybe 486s are faster than Pentium IIs?
what i would be interested in seeing is: the time it takes to run a cpu bound app (eg raytracing am image) with HZ=100 and HZ=1024. That would give a more realistic approximation of the overhead that increasing HZ adds.
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