[ale] Hyperthreading

Steven A. DuChene linux-clusters at mindspring.com
Wed Apr 14 14:49:28 EDT 2004


Jeff:
Are you using 2.4 kernels to test this with or 2.6 stuff?

On Wed, Apr 14, 2004 at 01:21:33PM -0400, Jeff Layton wrote:
> It generally hurts our CFD codes. It also hurts all but one of the
> NPB codes (which are CFD). We turn it off for now.
> 
> Maybe in the future when a real multi-core chip comes out
> we can revisit it. Multi-core chips also give rise to the possibility
> of doing multi-level parallelism usch as MPI+OpenMP.
> 
> Jeff
> 
> -- 
> Dr. Jeff Layton
> Aerodynamics and CFD
> Lockheed-Martin Aeronautical Company - Marietta
> 

-- 
Steven A. DuChene     linux-clusters at mindspring.com
                      sduchene at mindspring.com



More information about the Ale mailing list