Messages in this thread |  | | Date | Thu, 20 Sep 2001 12:03:35 +0300 | From | VDA <> | Subject | Re: [PATCH] Athlon bug stomper. Pls apply. |
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Hello Arjan, Wednesday, September 19, 2001, 9:55:00 PM, you wrote: >> AFAIK noone has even tested it yet to see what it does to performance! Eg >> it might slow down memory access so that athlon-optimized memcopy is now >> slower than non-athlon-optimized memcopy. And if it turns out to be the >> case, we might as well just use the non-athlon-optimized memcopy instead >> of twiddling undocumented northbridge bits...
AvdV> Ok but that part is simple: run AvdV> http://www.fenrus.demon.nl/athlon.c
Well, this tester is really useful. Some bugs though: * fast_copy_page() does fsave instead of frstor * do we need femms before frstor? My PII at work does not even execute femms... -- Best regards, VDA mailto:VDA@port.imtp.ilyichevsk.odessa.ua http://port.imtp.ilyichevsk.odessa.ua/vda/
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