Re: [OMPI users] Regarding hyperthreding

2012-08-14 Thread seshendra seshu
Hi I was about tell that i have written an MPI code in which i have specified only for the communication between nodes and i dont whether can i run program as per my requirement i.e to use the cores present in my node (all 4 cores). So my doubt is should i need to include pthreads or the program w

Re: [OMPI users] Regarding hyperthreding

2012-08-14 Thread Jeff Squyres
On Aug 14, 2012, at 7:55 AM, seshendra seshu wrote: > I haven't still changed my code to run when threading is needed (presently > working). I'm afraid I can't parse that sentence; I don't know what you mean. > I have doubt that when i calculate the MPI ranks using the MPI command it > give

Re: [OMPI users] Regarding hyperthreding

2012-08-14 Thread seshendra seshu
nd compare performance with N ranks (with H per node). > > > ** ** > > -Tom > > ** ** > > > > ** ** > > *From:* users-boun...@open-mpi.org [mailto:users-boun...@open-mpi.org] *On > Behalf Of *seshendra seshu > *Sent:* Monday, August 13, 2012 9:27 AM > *To:* Open MPI Users

Re: [OMPI users] Regarding hyperthreding

2012-08-13 Thread Elken, Tom
f seshendra seshu Sent: Monday, August 13, 2012 9:27 AM To: Open MPI Users Subject: [OMPI users] Regarding hyperthreding Hi, I have written an code mpi and an iam trying to implement hyperthreading environment. So could any one tell me how to implement and run the program in open mpi. Kindly help

[OMPI users] Regarding hyperthreding

2012-08-13 Thread seshendra seshu
Hi, I have written an code mpi and an iam trying to implement hyperthreading environment. So could any one tell me how to implement and run the program in open mpi. Kindly help me. Thanking you, -- WITH REGARDS M.L.N.Seshendra