question about Intel P4 versus Alpha's

Patrick Geoffray patrick at myri.com
Wed Jan 8 14:38:19 EST 2003


Hi Todd,

On Wed, 2003-01-08 at 10:49, Henderson, TL Todd wrote:
> 95-100%cpu utilization range.  However, now we have a cluster of P4's and
> when I look at top, it is more like 70-80% cpu usage.  This is using the
> same number of cpu's, the same switch, same code, and same problem for the
> code.  The jobs are still completing in about 30-40% less time, so we are
> getting a speed up.

Is Hyper-threading enabled ?

Patrick
-- 

Patrick Geoffray, Phd
Myricom, Inc.
http://www.myri.com

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