Kris Kennaway wrote:
Michael Stogsdill wrote:
Hey, I have a question that I can't seem to find a decent answer to.
The mailing lists have had some similar topics, but they were mostly
for the 6.x-RELEASE and other minor differences.
Heres my situation; I'm trying to create a beowulf cluster running
FreeBSD 7.0-RELEASE consisting of 8 systems all running on Dual Xeon
w/HTT both running at 2.8Gz. What exactly this system will be doing I
can't say, so lets just think about the performance of the cluster
running a benchmarking tool similar to sysbench. Because they are dual
processor systems, I will be using the SMP kernel already, so I'm
wondering if turning on HTT will help or hinder my Beowulf'
performance. The cluster is not yet operational, otherwise I would do
some tests myself!
The answer is always "HTT performance depends on your workload. Try it
and see if it helps".
new processors are not quite as bad as the original HTT processors.
also, if the workload includes a mix of FP and integer work it will be
worth having them on.
Kris
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