Re: [OMPI users] Problem with repeatedly spawning a few processes

2009-08-31 Thread Ralph Castain
Download the nightly 1.3 release branch snapshot - not the actual release, but the nightly tarball: http://www.open-mpi.org/nightly/v1.3/ It is very close to release quality - only waiting for a couple of things, none of which would impact this issue. Let me know how this works for you. Ra

Re: [OMPI users] Problem with repeatedly spawning a few processes

2009-08-31 Thread Tim Miller
Hi, Thanks -- I downloaded the latest 1.4 snapshot after I saw your message and verified that this issue does not seem to occur in it. However, I ran into other stability issues (not necessarily surprising for a development snapshot). Is there any idea on when 1.3.4 will be out and if this fix wil

Re: [OMPI users] Problem with repeatedly spawning a few processes

2009-08-26 Thread Ralph Castain
This is a known issue - I'll test to see if it has been fixed for the upcoming 1.3.4. We know the problem does not exist in our devel trunk, but I don't know if the fix propagated to the 1.3 branch. On Aug 26, 2009, at 3:40 PM, Tim Miller wrote: Hello Everyone, I have a problem that I can

[OMPI users] Problem with repeatedly spawning a few processes

2009-08-26 Thread Tim Miller
Hello Everyone, I have a problem that I can't seem to figure out from searching the mailing list archive. I have a code that repeatedly spawns (via MPI_COMM_SPAWN) a group of 8 processes and then waits for them to finish. The problem is that OpenMPI (I've tried 1.3.1 and 1.3.3) opens a pipe each t