Re: [OMPI users] Some Questions on Building OMPI on Linux Em64t

2010-05-27 Thread Jeff Squyres
On May 26, 2010, at 3:32 PM, Michael E. Thomadakis wrote: > How do you handle thread/task and memory affinity? Do you pass the requested > affinity desires to the batch scheduler and them let it issue the specific > placements for threads to the nodes ? Not as of yet, no. At the moment, Open

Re: [OMPI users] Some Questions on Building OMPI on Linux Em64t

2010-05-26 Thread Michael E. Thomadakis
Hi jeff, thanks for the reply. Pls see below . And a new question: How do you handle thread/task and memory affinity? Do you pass the requested affinity desires to the batch scheduler and them let it issue the specific placements for threads to the nodes ? This is something we are concerned

Re: [OMPI users] Some Questions on Building OMPI on Linux Em64t

2010-05-26 Thread Michael E. Thomadakis
Hi Josh thanks for the reply. pls see below ... On 05/26/10 09:24, Josh Hursey wrote: (Sorry for the delay, I missed the C/R question in the mail) On May 25, 2010, at 9:35 AM, Jeff Squyres wrote: On May 24, 2010, at 2:02 PM, Michael E. Thomadakis wrote: | > 2) I have installed blcr V0.8.2

Re: [OMPI users] Some Questions on Building OMPI on Linux Em64t

2010-05-26 Thread Josh Hursey
(Sorry for the delay, I missed the C/R question in the mail) On May 25, 2010, at 9:35 AM, Jeff Squyres wrote: On May 24, 2010, at 2:02 PM, Michael E. Thomadakis wrote: | > 2) I have installed blcr V0.8.2 but when I try to built OMPI and I point to the | > full installation it complains it ca

Re: [OMPI users] Some Questions on Building OMPI on Linux Em64t

2010-05-25 Thread Jeff Squyres
On May 24, 2010, at 2:02 PM, Michael E. Thomadakis wrote: > | > 1) high-resolution timers: how do I specify the HRT linux timers in the > | > --with-timer=TYPE > | > line of ./configure ? > | > | You shouldn't need to do anything; the "linux" timer component of Open MPI > | should get automat

Re: [OMPI users] Some Questions on Building OMPI on Linux Em64t

2010-05-24 Thread Jeff Squyres
On May 19, 2010, at 2:19 PM, Michael E. Thomadakis wrote: > I would like to build OMPI V1.4.2 and make it available to our users at the > Supercomputing Center at TAMU. Our system is a 2-socket, 4-core Nehalem > @2.8GHz, 24GiB DRAM / node, 324 nodes connected to 4xQDR Voltaire fabric, > CentOS/

Re: [OMPI users] Some Questions on Building OMPI on Linux Em64t

2010-05-21 Thread Michael E. Thomadakis
Hello, I am resending this because I am not sure if it was sent out to the OMPI list. Any help would be greatly appreciated. best Michael On 05/19/10 13:19, Michael E. Thomadakis wrote: Hello, I would like to build OMPI V1.4.2 and make it available to our users at the Supercomputing C