HTT and SMP question
Vivek Khera
vivek at khera.org
Tue Apr 20 06:54:23 PDT 2004
On Apr 20, 2004, at 4:53 AM, Rumen Telbizov wrote:
> Would you point to a case where machdep.hlt_logical_cpus=0 does
> show better performance results? httpd ?
>
There's a big thread over in Postgres lists about HTT and Xeon
processors. The consensus is that HTT is bad for postgres, and Xeon's
cache handling is also bad for certain Xeon's. The cache handling
stuff hasn't been totally understood yet, though.
Vivek Khera, Ph.D.
+1-301-869-4449 x806
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