On 10:27 Wed 26 Mar , Jeff Squyres (jsquyres) wrote: > Be aware of a few facts, though: > > 1. There is a fundamental difference between disabling > hyperthreading in the BIOS at power-on time and simply running one > MPI process per core. Disabling HT at power-on allocates more > hardware resources to the remaining HT that is left is each core > (e.g., deeper queues).
Oh, I didn't know that. That's interesting! Do you have any links with in-depth info on that? Thanks! -Andreas -- ========================================================== Andreas Schäfer HPC and Grid Computing Chair of Computer Science 3 Friedrich-Alexander-Universität Erlangen-Nürnberg, Germany +49 9131 85-27910 PGP/GPG key via keyserver http://www.libgeodecomp.org ========================================================== (\___/) (+'.'+) (")_(") This is Bunny. Copy and paste Bunny into your signature to help him gain world domination!
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