Messages in this thread | | | Date | Thu, 30 Dec 1999 19:34:58 +0000 (GMT) | From | Dave Jones <> | Subject | Re: 3DNow! patches on Winchip. |
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On Thu, 30 Dec 1999, Alan Cox wrote:
> > For the record, the uncached integer copy took Just under 38 minutes. > > Unbelievably painful. > > I actually meant copying cached data versus copying data not currently in cache > rather than turning the cache off. The two tend not to be the same
Sorry.. Copying the same 4kb page 524288 times
mmx: 16 seconds int: 2m 36 seconds
Seems extraordinarily high.. Should I be bencmarking against the memcpy() in lib/string.c, or the one in include/asm/string.h ?
d.
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