Messages in this thread | | | Date | Fri, 21 Jan 2000 01:15:42 +0100 | From | Artur Skawina <> | Subject | Re: anyone measured context-switch cost on Linux/ia32? |
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Mikael Pettersson wrote: > > Has anyone measured the cost (in cycles or time) of the > context-switch path in Linux/ia32?
here, on a celeron and a slightly hacked UP kernel, a context switch (time between one process stops executing, is preempted, and another starts running) is ~4800 cycles (10.7us) at best. stock kernels are probably not much different in this area.
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