Re: [OMPI users] SKaMPI hangs on collectives and onesided

2007-09-19 Thread Jelena Pjesivac-Grbovic
The suggestion will probably work, but it is not a solution. "choosing barrier synchronization" is not recommended by SKaMPI team and that it reduces accuracy of the benchmark. The problem is either at pml ob1 level or in btl ib level - and it has to do with many messages being sent at the same

Re: [OMPI users] MPI_Type_* calls in ompi_coll_tuned_alltoall_intra_bruck

2007-08-27 Thread Jelena Pjesivac-Grbovic
* ? My code traces MPI calls and I would rather not trace calls made by openmpi itself. -Prasun ___ users mailing list us...@open-mpi.org http://www.open-mpi.org/mailman/listinfo.cgi/users -- Jelena Pjesivac-Grbovic, Pjesa Graduate Research Assistant

Re: [OMPI users] mpi broadcast

2007-08-21 Thread Jelena Pjesivac-Grbovic
Hi Sefa, I presume you are talking about C or C++. If yes, it depends how you allocated 2D array. If it is not continuous data (i.e. 1D array you are accessing in 2D manner) - you have to define special datatype. Hope this helps, Jelena Sefa Arslan wrote: Hi, Is there a special way to broadc

Re: [OMPI users] Maximum message size for MPI_Send()/MPI_Recv() functions

2007-08-01 Thread Jelena Pjesivac-Grbovic
rg/mailman/listinfo.cgi/users ___ users mailing list us...@open-mpi.org http://www.open-mpi.org/mailman/listinfo.cgi/users -- Jelena Pjesivac-Grbovic, Pjesa Graduate Research Assistant Innovative Computing Laboratory Computer Science Department, U

Re: [OMPI users] MPI_Reduce problem

2007-07-11 Thread Jelena Pjesivac-Grbovic
10, 12. Is there someone met the same problems or I am wrong on calling MPI_Reduce() Thanks. Anyi ___ users mailing list us...@open-mpi.org http://www.open-mpi.org/mailman/listinfo.cgi/users -- Jelena Pjesivac-Grbovic, Pjesa Graduate Research A

Re: [OMPI users] Processes stuck in MPI_BARRIER

2007-06-19 Thread Jelena Pjesivac-Grbovic
he same subnet. Hmm. On a single subnet, but you need the firewall capability -- are they physically remote from each other, or do you just have the local firewalling capabilities enabled on each node? -- Jeff Squyres Cisco Systems ___ users mailing list us...@o

Re: [OMPI users] segmentation fault in MPI_Barrier

2007-05-30 Thread Jelena Pjesivac-Grbovic
? Actually, I'm not sure... your comments? greetings, Marcin ___ users mailing list us...@open-mpi.org http://www.open-mpi.org/mailman/listinfo.cgi/users -- Jelena Pjesivac-Grbovic, Pjesa Graduate Research Assistant Innovative Compu

Re: [OMPI users] SEGV in ompi_coll_tuned_reduce_generic (1.2b4r13488)

2007-02-14 Thread Jelena Pjesivac-Grbovic
://www.open-mpi.org/mailman/listinfo.cgi/users -- Jelena Pjesivac-Grbovic, Pjesa Graduate Research Assistant Innovative Computing Laboratory Computer Science Department, UTK Claxton Complex 350 (865) 974 - 6722 (865) 974 - 6321 jpjes...@utk.edu Murphy's Law of Research: Enough research will