[rescue] pursuing a VAX

Joshua D Boyd jdboyd at cs.millersville.edu
Tue Dec 10 12:07:48 CST 2002


On Tue, Dec 10, 2002 at 02:06:33AM -0500, Joshua Snyder wrote:

> Not sure if any of it is true but seems to make sense when thinking about
> adding SMT to the P4, you want to have wide issue cpu so the threads have
> plenty of resources.  As it is now it seems like best reason to enable
> SMT(no I am not going to call it hyper-threading... ) on the P4 is to make
> up for the poor utilization caused by the long pipeline and slow filling of
> the trace cache.  If the P4 had the extra resources we might see a better
> performance when using SMT.

But where do the P4 Xeons fit into all of this?  That's the main P4 I use.

-- 
Joshua D. Boyd



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