Messages in this thread | | | Date | Tue, 19 Jun 2001 10:36:00 -0700 | From | Jonathan Lundell <> | Subject | Re: Alan Cox quote? (was: Re: accounting for threads) |
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At 9:09 AM -0700 2001-06-19, Larry McVoy wrote: >Don't you think it is funny that Sun doesn't publish numbers comparing >their thread performance to process performance? Sure, you can find >context switch benchmarks where they have user level switching going on >but those are a red herring. The real numbers you want are the kernel >level context switches and those are just as expensive as the process >context switch numbers.
Sun (or at least SPARC) is a bit of a special case, though. SPARC's register-window architecture makes thread-switching (not to mention recursion) significantly more expensive than on most other architectures. -- /Jonathan Lundell. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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