On Mar 26, 2014, at 6:45 AM, Andreas Schäfer <gent...@gmx.de> wrote:
>> 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? Not offhand, no. But I'm quite sure it's well-documented in the Intel docs. -- Jeff Squyres jsquy...@cisco.com For corporate legal information go to: http://www.cisco.com/web/about/doing_business/legal/cri/
