Re: [OMPI users] nonblocking MPI_File_iwrite() does block?

On Mon, Nov 23, 2009 at 01:32:24PM -0700, Barrett, Brian W wrote: > On 11/23/09 8:42 AM, "Rob Latham" wrote: > > > Is it OK to mention MPICH2 on this list? I did prototype some MPI > > extensions that allowed ROMIO to do true async I/O (at least as far > > as the underlying operating system sup

Re: [OMPI users] mpirun hangs with multiple nodes

There is a bug in that tarball which was fixed as of yesterday. However, the patch that you need was the cause of the bug, so the fix for your problem is no longer in the 1.4 branch. As you probably recall, I had cautioned that the fix might not make it to the 1.4 series. At the time, I was con

[OMPI users] Problems compiling OpenMPI 1.4 with PGI 9.0-3

Hi All, I am trying to compile OpenMPI 1.4 with PGI 9.0-3 and am getting the following error in configure: checking for functional offsetof macro... no configure: WARNING: Your compiler does not support offsetof macro configure: error: Configure: Cannot continue I have searched around and found

[OMPI users] mpirun hangs with multiple nodes

Hi, I am using the OpenMPI v1.4a1r22335 to run an MPI application that creates dynamically processes. The application behavior is like explained in a previous e-mail http://www.open-mpi.org/community/lists/users/2009/12/11540.php The application is launched by a command line such as: $ mpirun

[OMPI users] OpenMPI w valgrind: need to recompile?

Hi, I am building libraries against OpenMPI, and then applications using those libraries. It was unclear from the FAQ at http://www.open-mpi.org/faq/?category=debugging#memchecker_how whether the libraries need to be recompiled and the application relinked using valgrind-enabled mpicc etc,