Re: [OMPI devel] Failure to make progress

From: George Bosilca Date: Mon, 23 Feb 2009 16:54:47 -0500 Your interpretation of the MPI standard is way too optimistic. The text I quoted seemed completely clear to me. However, it was pointed out to me that MPI 2.0, 6.7.2 (in a section about one-sided

Re: [OMPI devel] Failure to make progress

Ken, Your interpretation of the MPI standard is way too optimistic. Unfortunately, there is no asynchronous progress (expect on very few devices) in most of the MPI libraries. So, you should not expect the non blocking send to complete, without going in some MPI calls (MPI_Test as an

[OMPI devel] Failure to make progress

I'm running OpenMPI 1.2.6 under Red Hat Enterprise Linux Server release 5.2 on an x86_64 cluster. When I send a message with MPI_Isend I think it should eventually be delivered (if I have a receive waiting), without my having to make any other MPI calls. This appears to be guaranteed by the