[Fwd: Re: [Beowulf] Cell in HPC]
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Greg Lindahl greg.lindahl at qlogic.comWed May 31 23:18:32 PDT 2006
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On Wed, May 31, 2006 at 05:38:55PM -0400, Mark Hahn wrote: > why are these cases not nicely covered by the placement > instructions implemented in mmx and followons? you can control > how a load or store behaves wrt different levels of cache cache. How do I effectively control placement when I don't know how big my cache is? How can I cache block loop nests when I don't know how big my cache is? IBM has experience with shared caches on Power4/5 -- and they seem to do a good job of fairly sharing. The rest of us, well, we live in FUD. -- greg
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