On Monday, January 05, 2015 09:48:52 PM Sebastian Kuzminsky did opine And Gene did reply: > On 01/05/2015 06:48 PM, Jon Elson wrote: > > On 01/05/2015 04:00 PM, Eric Keller wrote: > >> On Mon, Jan 5, 2015 at 3:12 PM, Tom Easterday <[email protected]> wrote: > >>> If anyone has other suggestions to improve latency, please do > >>> tell. -Tom > >>> > >>> Did you do the standard things, SMI, legacy usb, video driver, > >>> etc? There > >> > >> are some suggestions on the wiki. > > > > Also, remember to turn off hyperthreading in the BIOS screen. > > Can someone do the experiment to determine if disabling hyperthreading > has the same effect on latency as isolcpu'sing all the vcpus that > share the L2 of the last vcpu? > > I bet it does, and it'd have the nice benefit of not turning off half > the non-realtime vcpus.
Turning off the hyperthreading was one of the things in the setup recipe for the D525MW atom board. Its a must do. Cheers, Gene Heskett -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) Genes Web page <http://geneslinuxbox.net:6309/gene> US V Castleman, SCOTUS, Mar 2014 is grounds for Impeaching SCOTUS ------------------------------------------------------------------------------ Dive into the World of Parallel Programming! The Go Parallel Website, sponsored by Intel and developed in partnership with Slashdot Media, is your hub for all things parallel software development, from weekly thought leadership blogs to news, videos, case studies, tutorials and more. Take a look and join the conversation now. http://goparallel.sourceforge.net _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
