Messages in this thread | | | Date | Thu, 18 Apr 1996 16:08:46 +0300 (EET DST) | From | Linus Torvalds <> | Subject | Re: Ideas for reducing memory copying and zeroing times |
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> I haven't found any other way to make the Pentium write to main memory > in 64-bit chunks without first loading into cache. If someone finds a > more conventional way, it would surely be preferable to using the > FPU. I'm not aware of anyone who has found such a way, though.
Umm.. The cmpxchg8b instruction probably does it, but I agree - it's even uglier than using the fp unit ;-)
Linus
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