Re: [OMPI users] [btl_openib_component.c:1373:btl_openib_component_progress] error polling HP CQ with -2 errno says Success

2009-09-26 Thread Pavel Shamis (Pasha)
Very strange. MPI tries to access CQ context and it get immediate error. Please make sure that you limits configuration is ok, take a look on this FAQ - http://www.open-mpi.org/faq/?category=openfabrics#ib-locked-pages Pasha. Charles Wright wrote: Hello, I just got some new cluster

[OMPI users] Looped Barrier/Sendrecv hangs with btl sml: OMP1.3.3, 1.3.2, gcc44, intel 11

2009-09-26 Thread Jonathan Dursi
Hi, Eugene: Thanks for your efforts in reproducing this problem; glad to know it's not just us. I think our solution for now is just to migrate our users to MVAPICH2 and Intel MPI; these MPICH-based systems work for us and our users extremely reliably, and it just looks like OpenMPI

Re: [OMPI users] Is there an "flush()"-like function in MPI?

2009-09-26 Thread guosong
Yes, I know there should be a bug. But I do not know where and why. The strange thing was sometimes it worked but at this time there will be a segmentation fault. If it did not work, some process must sit there waiting for the message. There are many iterations in my program(using a loop). It

Re: [OMPI users] Is there an "flush()"-like function in MPI?

2009-09-26 Thread Eugene Loh
guosong wrote: Thanks for reply. One more thing I would like to know is that since the message has already left the sender, how to make sure that the receiver side receives this message? From the output of my program, it seems that the receiver side is waiting for the message(MPI_Recv). 

Re: [OMPI users] Is there an "flush()"-like function in MPI?

2009-09-26 Thread guosong
Thanks for reply. One more thing I would like to know is that since the message has already left the sender, how to make sure that the receiver side receives this message? From the output of my program, it seems that the receiver side is waiting for the message(MPI_Recv). List-Post:

[OMPI users] -slot-list -stride

2009-09-26 Thread Eugene Loh
Could someone show me examples of how the mpirun options -slot-list and -stride work? They don't seem to do anything for me (except under some conditions generating wild error messages, as previously reported). Any version of OMPI is fine.

Re: [OMPI users] Is there an "flush()"-like function in MPI?

2009-09-26 Thread Eugene Loh
guosong wrote: Hi all, I am wondering if there is an flush()-like function in MPI. I saw the output of my program. One sent something but some other process did not receive it, just sitting there waiting. I used MPI_Isend for sending and MPI_Recv for receiving. Is it possible the message