Re: [OMPI users] Shared Windows and MPI_Accumulate

2017-03-01 Thread Howard Pritchard
Hi Joseph, I built this test with craypich (Cray MPI) and it passed. I also tried with Open MPI master and the test passed. I also tried with 2.0.2 and can't seem to reproduce on my system. Could you post the output of config.log? Also, how intermittent is the problem? Thanks, Howard 20

[OMPI users] Shared Windows and MPI_Accumulate

2017-03-01 Thread Joseph Schuchart
Hi all, We are seeing issues in one of our applications, in which processes in a shared communicator allocate a shared MPI window and execute MPI_Accumulate simultaneously on it to iteratively update each process' values. The test boils down to the sample code attached. Sample output is as fo