HI Tim, I have read that link, but I haven't understood if enabling processor affinity are enabled also memory affinity because is written that:
"Note that memory affinity support is enabled only when processor affinity is enabled" Can i set processory affinity without memory affinity? This is my question.. 2010/9/27 Tim Prince <n...@aol.com> > > On 9/27/2010 9:01 AM, Gabriele Fatigati wrote: >> >> if OpenMPI is numa-compiled, memory affinity is enabled by default? Because >> I didn't find memory affinity alone ( similar) parameter to set at 1. >> >> > The FAQ http://www.open-mpi.org/faq/?category=tuning#using-paffinity has a > useful introduction to affinity. It's available in a default build, but not > enabled by default. > > If you mean something other than this, explanation is needed as part of your > question. > taskset() or numactl() might be relevant, if you require more detailed > control. > > -- > Tim Prince > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users > -- Ing. Gabriele Fatigati Parallel programmer CINECA Systems & Tecnologies Department Supercomputing Group Via Magnanelli 6/3, Casalecchio di Reno (BO) Italy www.cineca.it Tel: +39 051 6171722 g.fatigati [AT] cineca.it
