Re: [OMPI users] MPI_Comm_spawn lots of times

2009-12-18 Thread Nicolas Bock
Hi Ralph, I have confirmed that openmpi-1.4a1r22335 works with my master, slave example. The temporary directories are cleaned up properly. Thanks for the help! nick On Thu, Dec 17, 2009 at 13:38, Nicolas Bock wrote: > Ok, I'll give it a try. > > Thanks, nick > > > > On Thu, Dec 17, 2009 at

Re: [OMPI users] MPI_Comm_spawn lots of times

2009-12-17 Thread Nicolas Bock
Ok, I'll give it a try. Thanks, nick On Thu, Dec 17, 2009 at 12:44, Ralph Castain wrote: > In case you missed it, this patch should be in the 1.4 nightly tarballs - > feel free to test and let me know what you find. > > Thanks > Ralph > > On Dec 2, 2009, at 10:06 PM, Nicolas Bock wrote: > > Th

Re: [OMPI users] MPI_Comm_spawn lots of times

2009-12-17 Thread Ralph Castain
In case you missed it, this patch should be in the 1.4 nightly tarballs - feel free to test and let me know what you find. Thanks Ralph On Dec 2, 2009, at 10:06 PM, Nicolas Bock wrote: > That was quick. I will try the patch as soon as you release it. > > nick > > > On Wed, Dec 2, 2009 at 21:

Re: [OMPI users] MPI_Comm_spawn lots of times

2009-12-03 Thread Nicolas Bock
That was quick. I will try the patch as soon as you release it. nick On Wed, Dec 2, 2009 at 21:06, Ralph Castain wrote: > Patch is built and under review... > > Thanks again > Ralph > > On Dec 2, 2009, at 5:37 PM, Nicolas Bock wrote: > > Thanks > > On Wed, Dec 2, 2009 at 17:04, Ralph Castain

Re: [OMPI users] MPI_Comm_spawn lots of times

2009-12-02 Thread Ralph Castain
Patch is built and under review... Thanks again Ralph On Dec 2, 2009, at 5:37 PM, Nicolas Bock wrote: > Thanks > > On Wed, Dec 2, 2009 at 17:04, Ralph Castain wrote: > Yeah, that's the one all right! Definitely missing from 1.3.x. > > Thanks - I'll build a patch for the next bug-fix release >

Re: [OMPI users] MPI_Comm_spawn lots of times

2009-12-02 Thread Nicolas Bock
Thanks On Wed, Dec 2, 2009 at 17:04, Ralph Castain wrote: > Yeah, that's the one all right! Definitely missing from 1.3.x. > > Thanks - I'll build a patch for the next bug-fix release > > > On Dec 2, 2009, at 4:37 PM, Abhishek Kulkarni wrote: > > > On Wed, Dec 2, 2009 at 5:00 PM, Ralph Castain

Re: [OMPI users] MPI_Comm_spawn lots of times

2009-12-02 Thread Ralph Castain
Yeah, that's the one all right! Definitely missing from 1.3.x. Thanks - I'll build a patch for the next bug-fix release On Dec 2, 2009, at 4:37 PM, Abhishek Kulkarni wrote: > On Wed, Dec 2, 2009 at 5:00 PM, Ralph Castain wrote: >> Indeed - that is very helpful! Thanks! >> Looks like we aren't

Re: [OMPI users] MPI_Comm_spawn lots of times

2009-12-02 Thread Abhishek Kulkarni
On Wed, Dec 2, 2009 at 5:00 PM, Ralph Castain wrote: > Indeed - that is very helpful! Thanks! > Looks like we aren't cleaning up high enough - missing the directory level. > I seem to recall seeing that error go by and that someone fixed it on our > devel trunk, so this is likely a repair that did

Re: [OMPI users] MPI_Comm_spawn lots of times

2009-12-02 Thread Ralph Castain
Indeed - that is very helpful! Thanks! Looks like we aren't cleaning up high enough - missing the directory level. I seem to recall seeing that error go by and that someone fixed it on our devel trunk, so this is likely a repair that didn't get moved over to the release branch as it should have

Re: [OMPI users] MPI_Comm_spawn lots of times

2009-12-02 Thread Nicolas Bock
On Wed, Dec 2, 2009 at 14:23, Ralph Castain wrote: > Hmmif you are willing to keep trying, could you perhaps let it run for > a brief time, ctrl-z it, and then do an ls on a directory from a process > that has already terminated? The pids will be in order, so just look for an > early number (

Re: [OMPI users] MPI_Comm_spawn lots of times

2009-12-02 Thread Ralph Castain
Hmmif you are willing to keep trying, could you perhaps let it run for a brief time, ctrl-z it, and then do an ls on a directory from a process that has already terminated? The pids will be in order, so just look for an early number (not mpirun or the parent, of course). It would help if yo

Re: [OMPI users] MPI_Comm_spawn lots of times

2009-12-02 Thread Nicolas Bock
On Wed, Dec 2, 2009 at 12:12, Ralph Castain wrote: > > On Dec 2, 2009, at 10:24 AM, Nicolas Bock wrote: > > > > On Tue, Dec 1, 2009 at 20:58, Nicolas Bock wrote: > >> >> >> On Tue, Dec 1, 2009 at 18:03, Ralph Castain wrote: >> >>> You may want to check your limits as defined by the shell/system

Re: [OMPI users] MPI_Comm_spawn lots of times

2009-12-02 Thread Ralph Castain
On Dec 2, 2009, at 10:24 AM, Nicolas Bock wrote: > > > On Tue, Dec 1, 2009 at 20:58, Nicolas Bock wrote: > > > On Tue, Dec 1, 2009 at 18:03, Ralph Castain wrote: > You may want to check your limits as defined by the shell/system. I can also > run this for as long as I'm willing to let it r

Re: [OMPI users] MPI_Comm_spawn lots of times

2009-12-02 Thread Nicolas Bock
On Tue, Dec 1, 2009 at 20:58, Nicolas Bock wrote: > > > On Tue, Dec 1, 2009 at 18:03, Ralph Castain wrote: > >> You may want to check your limits as defined by the shell/system. I can >> also run this for as long as I'm willing to let it run, so something else >> appears to be going on. >> >> >>

Re: [OMPI users] MPI_Comm_spawn lots of times

2009-12-01 Thread Nicolas Bock
On Tue, Dec 1, 2009 at 18:03, Ralph Castain wrote: > You may want to check your limits as defined by the shell/system. I can > also run this for as long as I'm willing to let it run, so something else > appears to be going on. > > > Is that with 1.3.3? I found that with 1.3.4 I can run the exampl

Re: [OMPI users] MPI_Comm_spawn lots of times

2009-12-01 Thread Ralph Castain
You may want to check your limits as defined by the shell/system. I can also run this for as long as I'm willing to let it run, so something else appears to be going on. On Dec 1, 2009, at 4:38 PM, Nicolas Bock wrote: > > > On Tue, Dec 1, 2009 at 16:28, Abhishek Kulkarni wrote: > On Tue, De

Re: [OMPI users] MPI_Comm_spawn lots of times

2009-12-01 Thread Nicolas Bock
On Tue, Dec 1, 2009 at 16:28, Abhishek Kulkarni wrote: > On Tue, Dec 1, 2009 at 6:15 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

Re: [OMPI users] MPI_Comm_spawn lots of times

2009-12-01 Thread Abhishek Kulkarni
On Tue, Dec 1, 2009 at 6:15 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

Re: [OMPI users] MPI_Comm_spawn lots of times

2009-12-01 Thread Nicolas Bock
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 wrote: > It really does help if we have some idea what OMPI version you are talking > about, and on what k

Re: [OMPI users] MPI_Comm_spawn lots of times

2009-12-01 Thread Nicolas Bock
Sorry, openmpi-1.3.3 compiled with gcc-4.4.2 nick On Tue, Dec 1, 2009 at 16:24, Ralph Castain 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

Re: [OMPI users] MPI_Comm_spawn lots of times

2009-12-01 Thread Ralph Castain
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 w

Re: [OMPI users] MPI_Comm_spawn lots of times

2009-12-01 Thread Nicolas Bock
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 run

[OMPI users] MPI_Comm_spawn lots of times

2009-12-01 Thread Nicolas Bock
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 rep