Can someone post docs for this resource halving Squyres claims? I've never heard of this.
Jeff On Thursday, December 11, 2014, Samuel Thibault <samuel.thiba...@inria.fr> wrote: > Jeff Squyres (jsquyres), le Thu 11 Dec 2014 21:12:27 +0000, a écrit : > > When the BIOS is set to enable hyper threading, then several resources > on the core are split when the machine is booted up (e.g., some of the > queue depths for various processing units in the core are half the length > that they are when hyperthreading is disabled in the BIOS). > > Perhaps some queues get divided, but most of the resources (such as > cache, TLB, etc.) are completely available when using only one > hyperthread, like they would be with HT disabled. > > Samuel > _______________________________________________ > hwloc-users mailing list > hwloc-us...@open-mpi.org <javascript:;> > Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/hwloc-users > Link to this post: > http://www.open-mpi.org/community/lists/hwloc-users/2014/12/1132.php > -- Jeff Hammond jeff.scie...@gmail.com http://jeffhammond.github.io/
