Messages in this thread | | | Date | Fri, 1 May 1998 22:35:27 +0200 (MET DST) | From | Rik van Riel <> | Subject | Re: scheduling |
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On Fri, 1 May 1998, Alexander Kjeldaas wrote:
> Sorry, I misread mingo's posting, my error! But this means that with > 2000 processes, assuming the run queue has 1 entry (as mingo points > out), we will recalculate 5 times/second on i386. Each time we will > use 1ms which means we use 0.5% cpu in the scheduler. This is on a > very fast computer (pII/300MHz). On an alpha, it could easily be 5% > since it does 10x as many schedule() calls. Are there any numbers on > this?
On both Alpha and other platforms the timeslice length is the same (20*HZ/100 == 200ms). Therefor, the number of schedule() calls on Alpha will be similar to that on eg. PPC or SPARC.
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