Re: [OMPI devel] MPI_Send doesn't work if the data >= 2GB

2010-12-15 Thread Jeff Squyres
I don't have any problem running your test program; see below. I think someone suggested in either this thread or a different thread that the ethernet drive you have might be faulty...? (I could be remembering that incorrectly) Have you verified that your network stack is working properly for

[OMPI devel] MPI_Send doesn't work if the data >= 2GB

2010-12-02 Thread 孟宪军
hi all, I met a question recently when I tested the MPI_send and MPI_Recv functions. When I run the following codes, the processes hanged and I found there was not data transmission in my network at all. BTW: I finished this test on two X86-64 computers with 16GB memory and installed Linux.