Linux mujo 2.6.30-gentoo-r5 #1 SMP PREEMPT Thu Sep 17 07:47:12 MDT 2009 x86_64 Intel(R) Core(TM)2 Quad CPU Q8200 @ 2.33GHz GenuineIntel GNU/Linux
On Tue, Dec 1, 2009 at 16:24, Ralph Castain <r...@open-mpi.org> wrote: > It really does help if we have some idea what OMPI version you are talking > about, and on what kind of platform. > > This issue was fixed to the best of my knowledge (not all the pipes were > getting closed), but I would have to look and see what release might contain > the fix...would be nice to know where to start. > > > On Dec 1, 2009, at 4:15 PM, Nicolas Bock wrote: > > After reading Anthony's question again, I am not sure now that we are > having the same problem, but we might. In any case, the attached example > programs trigger the issue of running out of pipes. I don't see how orted > could, even if it was reused. There is only a very limited number of > processes running at any given time. Once slave terminates, how would it > still have open pipes? Shouldn't the total number of open files, or pipes, > be very limited in this situation? And yet, after maybe 20 or so iterations > in master.c, orted complains about running out of pipes. > > nick > > > On Tue, Dec 1, 2009 at 16:08, Nicolas Bock <nicolasb...@gmail.com> wrote: > >> Hello list, >> >> a while back in January of this year, a user (Anthony Thevenin) had the >> problem of running out of open pipes when he tried to use MPI_Comm_spawn a >> few times. As I the thread his started in the mailing list archives and have >> just joined the mailing list myself, I unfortunately can't reply to the >> thread. "The thread was titled: Doing a lot of spawns does not work with >> ompi 1.3 BUT works with ompi 1.2.7". >> >> The discussion stopped without really presenting a solution. Is the issue >> brought up by Anthony fixed? We are running into the same problem. >> >> Thanks, nick >> >> > <master.c><slave.c>_______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users > > > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users >
