Re: [OMPI users] Memory affinity

2010-09-27 Thread Tim Prince
On 9/27/2010 2:50 PM, David Singleton wrote: On 09/28/2010 06:52 AM, Tim Prince wrote: On 9/27/2010 12:21 PM, Gabriele Fatigati wrote: 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

Re: [OMPI users] Memory affinity

2010-09-27 Thread David Singleton
On 09/28/2010 06:52 AM, Tim Prince wrote: On 9/27/2010 12:21 PM, Gabriele Fatigati wrote: 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

Re: [OMPI users] Memory affinity

2010-09-27 Thread Tim Prince
On 9/27/2010 12:21 PM, Gabriele Fatigati wrote: 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

Re: [OMPI users] Memory affinity

2010-09-27 Thread Gabriele Fatigati
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

Re: [OMPI users] Memory affinity

2010-09-27 Thread Tim Prince
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

Re: [OMPI users] Memory affinity

2010-09-27 Thread Gabriele Fatigati
Sorry, memory affinity is enabled by default setting mprocessor_affinity=1 in OpenMPI-numa? 2010/9/27 Gabriele Fatigati > Dear OpenMPI users, > > if OpenMPI is numa-compiled, memory affinity is enabled by default? Because > I didn't find memory affinity alone ( similar)

[OMPI users] Memory affinity

2010-09-27 Thread Gabriele Fatigati
Dear OpenMPI users, 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. Thanks a lot. -- Ing. Gabriele Fatigati Parallel programmer CINECA Systems & Tecnologies Department Supercomputing Group