Re: [OMPI users] EXTERNAL: Re: unacceptable latency in gathering process

2012-10-09 Thread Hodge, Gary C
[mailto:users-boun...@open-mpi.org] On Behalf Of Ralph Castain Sent: Tuesday, October 09, 2012 10:40 AM To: Open MPI Users Subject: Re: [OMPI users] EXTERNAL: Re: unacceptable latency in gathering process If you ask for thread multiple, I believe we return thread funneled or thread serial. You can check

Re: [OMPI users] EXTERNAL: Re: unacceptable latency in gathering process

2012-10-09 Thread Ralph Castain
t;> --enable-thread-multiple and try again >>> >>> >>> >>> From: users-boun...@open-mpi.org [mailto:users-boun...@open-mpi.org] On >>> Behalf Of Ralph Castain >>> Sent: Thursday, October 04, 2012 8:10 PM >>> >>> >&g

Re: [OMPI users] EXTERNAL: Re: unacceptable latency in gathering process

2012-10-09 Thread Brian Budge
From: users-boun...@open-mpi.org [mailto:users-boun...@open-mpi.org] On >> Behalf Of Ralph Castain >> Sent: Thursday, October 04, 2012 8:10 PM >> >> >> To: Open MPI Users >> Subject: Re: [OMPI users] EXTERNAL: Re: unacceptable latency in gathering >> proce

Re: [OMPI users] EXTERNAL: Re: unacceptable latency in gathering process

2012-10-09 Thread Ralph Castain
--enable-thread-multiple and try again > > ** ** > > *From:* users-boun...@open-mpi.org [mailto:users-boun...@open-mpi.org] *On > Behalf Of *Ralph Castain > *Sent:* Thursday, October 04, 2012 8:10 PM > > *To:* Open MPI Users > *Subject:* Re: [OMPI users] EXTERNAL: Re: unacceptable l

Re: [OMPI users] EXTERNAL: Re: unacceptable latency in gathering process

2012-10-09 Thread Hodge, Gary C
-multiple and try again From: users-boun...@open-mpi.org [mailto:users-boun...@open-mpi.org] On Behalf Of Ralph Castain Sent: Thursday, October 04, 2012 8:10 PM To: Open MPI Users Subject: Re: [OMPI users] EXTERNAL: Re: unacceptable latency in gathering process Sorry for delayed response - been on the

Re: [OMPI users] EXTERNAL: Re: unacceptable latency in gathering process

2012-10-04 Thread Ralph Castain
e > messages sent? > > ** ** > > Hristo, thanks for your input, I had already spent a few days searching > the faqs and tuning guides before posting. > > ** ** > > *From:* users-boun...@open-mpi.org [mailto:users-boun...@open-mpi.org] *On > Behalf Of *Ralph Castain

Re: [OMPI users] EXTERNAL: Re: unacceptable latency in gathering process

2012-10-04 Thread Hodge, Gary C
pent a few days searching the faqs and tuning guides before posting. From: users-boun...@open-mpi.org [mailto:users-boun...@open-mpi.org] On Behalf Of Ralph Castain Sent: Wednesday, October 03, 2012 4:01 PM To: Open MPI Users Subject: Re: [OMPI users] EXTERNAL: Re: unacceptable latency in gatherin

Re: [OMPI users] EXTERNAL: Re: unacceptable latency in gathering process

2012-10-03 Thread Ralph Castain
Hmmm...you probably can't without digging down into the diagnostics. Perhaps we could help more if we had some idea how you are measuring this "latency". I ask because that is orders of magnitude worse than anything we measure - so I suspect the problem is in your app (i.e., that the time you ar

Re: [OMPI users] EXTERNAL: Re: unacceptable latency in gathering process

2012-10-03 Thread Hodge, Gary C
how do I tell the difference between when the message was received and when the message was picked up in MPI_Test? From: users-boun...@open-mpi.org [mailto:users-boun...@open-mpi.org] On Behalf Of Ralph Castain Sent: Wednesday, October 03, 2012 1:00 PM To: Open MPI Users Subject: EXTERNAL: Re: [