Re: [OMPI users] MPI_THREAD_MULTIPLE hang

2014-12-10 Thread Nathan Hjelm
Several things: - In 1.8.x only shared memory windows work with multiple threads. This problem will be fixed in the master branch soon. A back-port to 1.8 is unlikely given the magnitude of the changes. - I highly recommend using the MPI-3 call MPI_Win_allocate over MPI_Win_create.

Re: [OMPI users] MPI_THREAD_MULTIPLE hang

2014-12-10 Thread Ralph Castain
Yes - it is being fixed for 1.8.4 > On Dec 10, 2014, at 2:00 PM, Christopher O'Grady > wrote: > > > Hi, > > I see what looks like a bug in openmpi involving the > MPI_THREAD_MULTIPLE. When we call MPI_Init_thread with this argument, > this 61-line example hangs: > >

[OMPI users] MPI_THREAD_MULTIPLE hang

2014-12-10 Thread Christopher O'Grady
Hi, I see what looks like a bug in openmpi involving the MPI_THREAD_MULTIPLE. When we call MPI_Init_thread with this argument, this 61-line example hangs: http://www.slac.stanford.edu/~cpo/mpi_one_sided.cc There are some commented out lines in that file that we can use to workaround the