Nope, haven't gotten that far yet. I seemed to recall (or atleast i thought i had) that i could easily change the page size during kernel compile. perhaps that was way back in the day or i'm just losing it. figured it'd be a quick easy test... guest not... :(
On Fri, Jan 22, 2010 at 2:49 PM, Joe Landman <[email protected]> wrote: > Michael Di Domenico wrote: >> >> We'd like to run an experiment and see if MAGMA will run any >> faster/better/different with a larger page size. > > Larger pages will reduce TLB thrashing/pressure. The best way to tell if > you need it is to run performance counter tools during your program run. If > you haven't, you might be optimizing something which provides minimal if any > benefit. > > Have you profiled the code (using any of the various tools) to see where it > is spending its time? > > > -- > Joseph Landman, Ph.D > Founder and CEO > Scalable Informatics Inc. > email: [email protected] > web : http://scalableinformatics.com > http://scalableinformatics.com/jackrabbit > phone: +1 734 786 8423 x121 > fax : +1 866 888 3112 > cell : +1 734 612 4615 > _______________________________________________ Beowulf mailing list, [email protected] sponsored by Penguin Computing To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf
