RE: XFS RPM install on Redhat 7.2

[Joshua Baker-LePain <jlb17@xxxxxxxx>]

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.

-- 
Joshua Baker-LePain
Department of Biomedical Engineering
Duke University