Messages in this thread |  | | Subject | Re: [CFT] faster athlon/duron memory copy implementation | | From | Daniel Egger <> | | Date | 25 Oct 2002 15:08:57 +0200 |
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Am Don, 2002-10-24 um 21.28 schrieb Manfred Spraul:
> It seems the via cpu doesn't support prefetchnta. Could you try the > attached version?
egger@tanja:~$ ./via Athlon test program $Id: fast.c,v 1.6 2000/09/23 09:05:45 arjan Exp $
copy_page() tests copy_page function 'warm up run' took 24318 cycles per page copy_page function '2.4 non MMX' took 35819 cycles per page copy_page function '2.4 MMX fallback' took 35921 cycles per page copy_page function '2.4 MMX version' took 24291 cycles per page Illegal instruction
Unfortunately I have no space for gdb on it right now sow I cannot easily debug where it crashes.
BTW: I did the same thing you did: Remove the calls to the obviously offending calls to the "fast" versions. I've no idea why the no_prefetch version doesn't, though...
-- Servus, Daniel [unhandled content-type:application/pgp-signature] |  |