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On Mon, Dec 09, 2002 at 05:48:45PM +0000, Linus Torvalds wrote: > P4's really suck at system calls. A 2.8GHz P4 does a simple system call > a lot _slower_ than a 500MHz PIII. > > The P4 has problems with some other things too, but the "int + iret" > instruction combination is absolutely the worst I've seen. A 1.2GHz > Athlon will be 5-10 times faster than the fastest P4 on system call > overhead. Time to look into an alternative like SYSCALL perhaps ? Dave -- | Dave Jones. http://www.codemonkey.org.uk | SuSE Labs - 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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