Messages in this thread | | | From | Ben Pfaff <> | Subject | Re: [PATCH] Re-implemented i586 asm AES (updated) | Date | Fri, 06 Aug 2004 10:17:43 -0700 |
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Linus Torvalds <torvalds@osdl.org> writes:
> On Fri, 6 Aug 2004, Andi Kleen wrote: >> >> You could use .altinstructions to patch a jump in at runtime >> based on CPU capabilities. Assuming MMX is really faster of course. > > I seriously doubt that the MMX code could be faster.
For what it's worth, about a year about I tested both Gladman's MMX and non-MMX code on a Pentium 4. The non-MMX code was consistently significantly faster in every scenario I could come up with. -- I love deadlines. I love the whooshing noise they make as they go by. --Douglas Adams
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