Re: [OMPI devel] bug with /bin/sh and /bin/ksh

2010-04-30 Thread Ralph Castain
Thanks Jon. I fear this falls into the "won't fix until I have some spare time" category - probably won't get to it myself until Aug/Sept due to priorities. In the interim, perhaps someone who has more priority in this area will step in to fix it. On Apr 30, 2010, at 3:15 PM, Jonathan Vincent

Re: [OMPI devel] bug with /bin/sh and /bin/ksh

2010-04-30 Thread Jonathan Vincent
Hi, The code path is used when the user has /bin/sh as their login shell. There seemed to be seperate code paths depending on the login shell. I guess it is not suprising noone has looked at this part for a long time, /bin/sh is not a popular choice :D. It *should* be easily reproduceable if you m

Re: [OMPI devel] MPI Forum question?

2010-04-30 Thread Ralph Castain
Guess this has been too upsetting a question - I'll work off-list with the other developers to determine an appropriate OMPI behavior. On Apr 30, 2010, at 9:28 AM, N.M. Maclaren wrote: > On Apr 30 2010, Ralph Castain wrote: >> On Apr 30, 2010, at 6:15 AM, Jeff Squyres wrote: >> MPI quite r

Re: [OMPI devel] System V Shared Memory for Open MPI: Request for Community Input and Testing

2010-04-30 Thread Ethan Mallove
On Thu, Apr/29/2010 02:52:24PM, Samuel K. Gutierrez wrote: > Hi Ethan, > > Bummer. What does the following command show? > > sysctl -a | grep shm In this case, I think the Solaris equivalent to sysctl is prctl, e.g., $ prctl -i project group.staff project: 10: group.staff NAMEPRIV

Re: [OMPI devel] MPI Forum question?

2010-04-30 Thread N.M. Maclaren
On Apr 30 2010, Ralph Castain wrote: On Apr 30, 2010, at 6:15 AM, Jeff Squyres wrote: MPI quite rightly does not specify this, because the matter is very system- dependent, and it is not possible to return the exit code (or display it) in all environments. Sorry, but that is reality. Correct

Re: [OMPI devel] MPI Forum question?

2010-04-30 Thread Ralph Castain
On Apr 30, 2010, at 6:15 AM, Jeff Squyres wrote: > On Apr 30, 2010, at 5:59 AM, N.M. Maclaren wrote: > >> MPI quite rightly does not specify this, because the matter is very system- >> dependent, and it is not possible to return the exit code (or display it) >> in all environments. Sorry, but t

Re: [OMPI devel] Some questions about checkpoint/restart (11)

2010-04-30 Thread Josh Hursey
I just wanted to followup of this thread. I filed a ticket with all of these issues since many of them are potential bugs that should be fixed for v1.5 (and v1.4 if possible). The link to the ticket is below if you wanted to follow the progress: https://svn.open-mpi.org/trac/ompi/ticket/23

Re: [OMPI devel] sendrecv_replace: long time to allocate/free memory

2010-04-30 Thread Pascal Deveze
On Fri, 23 Apr 2010 at 11:29:53, George Bosilca wrote: If you use any kind of high performance network that require memory registration for communications, then this high cost for the MPI_Alloc_mem will be hidden by the communications. However, the MPI_Alloc_mem function seems horribly complic

Re: [OMPI devel] sendrecv_replace: long time to allocate/free memory

2010-04-30 Thread Pascal Deveze
On Fri, 23 Apr 2010 at 11:29:53, George Bosilca wrote: If you use any kind of high performance network that require memory registration for communications, then this high cost for the MPI_Alloc_mem will be hidden by the communications. However, the MPI_Alloc_mem function seems horribly complic

Re: [OMPI devel] MPI Forum question?

2010-04-30 Thread N.M. Maclaren
On Apr 30 2010, Jeff Squyres wrote: The last paragraph of the specification of MPI_Finalize makes it clear that it is the USER'S responsibility to return an exit code to the system for process 0, and that what happens for other ones is undefined. Or fairly clear - it could be stated in so many

Re: [OMPI devel] MPI Forum question?

2010-04-30 Thread Jeff Squyres
On Apr 30, 2010, at 5:59 AM, N.M. Maclaren wrote: > MPI quite rightly does not specify this, because the matter is very system- > dependent, and it is not possible to return the exit code (or display it) > in all environments. Sorry, but that is reality. Correct -- MPI intentionally does not say

Re: [OMPI devel] MPI Forum question?

2010-04-30 Thread N.M. Maclaren
On Apr 30 2010, Larry Baker wrote: I don't know if there is any standard ordering of non-zero exit status codes. If so, another option would be to return the the largest (smallest) value, when that is the most serious exit status. There isn't, and some systems have used exit codes in othe