[OMPI users] ROMIO bug reading darrays

Hello, I think I've come across a bug when using ROMIO to read in a 2D distributed array. I've attached a test case to this email. In the testcase I first initialise an array of 25 doubles (which will be a 5x5 grid), then I create a datatype representing a 5x5 matrix distributed in 3x3 blocks

Re: [OMPI users] MPI_Barrier hangs on second attempt but only when multiple hosts used.

From: Clay Kirkland [mailto:clay.kirkl...@versityinc.com] Sent: Friday, May 02, 2014 03:24 PM To: us...@open-mpi.org Subject: [OMPI users] MPI_Barrier hangs on second attempt but only when multiple hosts used. I have been using MPI for many many years so I have very well