Excellent. Thanks. -Ken
> -----Original Message----- > From: users-boun...@open-mpi.org [mailto:users-boun...@open-mpi.org] On > Behalf Of Jeff Squyres > Sent: Thursday, December 13, 2007 6:02 AM > To: Open MPI Users > Subject: Re: [OMPI users] Problems with GATHERV on one process > > Correct. Here's the original commit that fixed the problem: > > https://svn.open-mpi.org/trac/ompi/changeset/16360 > > And the commit to the v1.2 branch: > > https://svn.open-mpi.org/trac/ompi/changeset/16519 > > > On Dec 12, 2007, at 2:43 PM, Moreland, Kenneth wrote: > > > Thanks Tim. I've since noticed similar problems with MPI_Allgatherv > > and > > MPI_Scatterv. I'm guessing they are all related. Do you happen to > > know > > if those are being fixed as well? > > > > -Ken > > > >> -----Original Message----- > >> From: users-boun...@open-mpi.org [mailto:users-boun...@open-mpi.org] > > On > >> Behalf Of Tim Mattox > >> Sent: Tuesday, December 11, 2007 3:34 PM > >> To: Open MPI Users > >> Subject: Re: [OMPI users] Problems with GATHERV on one process > >> > >> Hello Ken, > >> This is a known bug, which is fixed in the upcoming 1.2.5 release. > >> We > >> expect 1.2.5 > >> to come out very soon. We should have a new release candidate for > > 1.2.5 > >> posted > >> by tomorrow. > >> > >> See these tickets about the bug if you care to look: > >> https://svn.open-mpi.org/trac/ompi/ticket/1166 > >> https://svn.open-mpi.org/trac/ompi/ticket/1157 > >> > >> On Dec 11, 2007 2:48 PM, Moreland, Kenneth <kmo...@sandia.gov> wrote: > >>> I recently ran into a problem with GATHERV while running some > > randomized > >>> tests on my MPI code. The problem seems to occur when running > >>> MPI_Gatherv with a displacement on a communicator with a single > > process. > >>> The code listed below exercises this errant behavior. I have tried > > it > >>> on OpenMPI 1.1.2 and 1.2.4. > >>> > >>> Granted, this is not a situation that one would normally run into in > > a > >>> real application, but I just wanted to check to make sure I was not > >>> doing anything wrong. > >>> > >>> -Ken > >>> > >>> > >>> > >>> #include <mpi.h> > >>> > >>> #include <stdlib.h> > >>> #include <stdio.h> > >>> > >>> int main(int argc, char **argv) > >>> { > >>> int rank; > >>> MPI_Comm smallComm; > >>> int senddata[4], recvdata[4], length, offset; > >>> > >>> MPI_Init(&argc, &argv); > >>> > >>> MPI_Comm_rank(MPI_COMM_WORLD, &rank); > >>> > >>> // Split up into communicators of size 1. > >>> MPI_Comm_split(MPI_COMM_WORLD, rank, 0, &smallComm); > >>> > >>> // Now try to do a gatherv. > >>> senddata[0] = 5; senddata[1] = 6; senddata[2] = 7; senddata[3] = > > 8; > >>> recvdata[0] = 0; recvdata[1] = 0; recvdata[2] = 0; recvdata[3] = > > 0; > >>> length = 3; > >>> offset = 1; > >>> MPI_Gatherv(senddata, length, MPI_INT, > >>> recvdata, &length, &offset, MPI_INT, 0, smallComm); > >>> if (senddata[0] != recvdata[offset]) > >>> { > >>> printf("%d: %d != %d?\n", rank, senddata[0], recvdata[offset]); > >>> } > >>> else > >>> { > >>> printf("%d: Everything OK.\n", rank); > >>> } > >>> > >>> return 0; > >>> } > >>> > >>> **** Kenneth Moreland > >>> *** Sandia National Laboratories > >>> *********** > >>> *** *** *** email: kmo...@sandia.gov > >>> ** *** ** phone: (505) 844-8919 > >>> *** fax: (505) 845-0833 > >>> > >>> > >>> > >>> _______________________________________________ > >>> users mailing list > >>> us...@open-mpi.org > >>> http://www.open-mpi.org/mailman/listinfo.cgi/users > >>> > >> > >> -- > >> Tim Mattox, Ph.D. - http://homepage.mac.com/tmattox/ > >> tmat...@gmail.com || timat...@open-mpi.org > >> I'm a bright... http://www.the-brights.net/ > >> _______________________________________________ > >> 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 > > > -- > Jeff Squyres > Cisco Systems > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users
