On Sat, 31 Aug 2002 at 12:26am, Mike wrote
> I am going to install kernel-smp-2.4.9-34SGI_XFS_1.1.i686.rpm and
> hopefully I will see 4 CPUs. Some how it supposed to be faster with the
> 2 CPUs treated as 4 CPUs (?).
That depends very much on the workload. For HPC type stuff (scientific
code), HT is actually bad -- the "virtual" CPUs share execution units and
contention for these resources slows everything down. For other workloads
it can be a gain, but, personally, I just turn it off in the BIOS.
Department of Biomedical Engineering