Messages in this thread | | | Date | Mon, 9 Dec 2002 19:36:49 +0000 | From | Dave Jones <> | Subject | Re: Intel P6 vs P7 system call performance |
| |
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/
| |