[Fwd: Re: [Beowulf] Cell in HPC]

Greg Lindahl greg.lindahl at qlogic.com
Thu Jun 1 02:18:32 EDT 2006


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
_______________________________________________
Beowulf mailing list, Beowulf at beowulf.org
To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf



More information about the Beowulf mailing list