Messages in this thread | | | Subject | Re: gettimeofday() system call timing curiosity | Date | Sat, 9 Mar 2002 18:51:19 +0000 (GMT) | From | Alan Cox <> |
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> Curiously, on a 1.7GHz P4 running RH7.1 (2.4.2 i686) it never hits > the same case, and takes slightly over a second to call gettimeofday a
Nothing curious about that I'm afraid. Every benchmark I've run on a PIV shows that kind of behaviour - anything but perfectly predicted linear code flow seems to hurt it. Locked operations really seem to make it suffer. - 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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