• Xin Zhao's avatar
    Bug-fix: waiting for ACKs for Active Target Synchronization. · 74189446
    Xin Zhao authored
    
    
    The original implementation of FENCE and PSCW does not
    guarantee the remote completion of issued-out RMA operations
    when MPI_Win_complete and MPI_Win_fence returns. They only
    guarantee the local completion of issued-out operations and
    the completion of coming-in operations. This is not correct
    if we try to get updated values on target side using synchronizations
    with MPI_MODE_NOCHECK.
    
    Here we modify it by making runtime wait for ACKs from all
    targets before returning from MPI_Win_fence and MPI_Win_complete.
    Signed-off-by: Pavan Balaji's avatarPavan Balaji <balaji@anl.gov>
    74189446
mpid_rma.c 13 KB