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Politics : Formerly About Advanced Micro Devices -- Ignore unavailable to you. Want to Upgrade?

To: Jim McMannis who wrote (45435)1/11/1999 2:34:00 AM
From: Elmer  Read Replies (1) | Respond to of 1572377
 
Re: "Additional instructions still under a non disclosure agreement include write back to memory without going through cache. ® "

Don't know. The only non-disclosed information I am aware of involves the FPU (K7 enthusiasts beware), but I don't know everything...

EP



To: Jim McMannis who wrote (45435)1/11/1999 12:54:00 PM
From: Tenchusatsu  Read Replies (3) | Respond to of 1572377
 
<Additional instructions still under a non disclosure agreement include write back to memory without going through cache.>

It's one of the new cache-streaming instructions in the Katmai, er, Pentium III. This allows programs to write data directly to memory, bypassing the caches, in order to avoid replacing useful data in the cache with useless data. I would believe that this would be very useful in graphics.

Tenchusatsu


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