Re: [OMPI users] [OMP users]: OpenMP1.4 tuning for sending large messages

2010-04-28 Thread Pooja Varshneya
Hi Timur, Thanks for your response !! I have applied this patch. But i am on homogeneous environment. The patch did not help :( Thanks, Pooja On Apr 27, 2010, at 7:29 AM, Timur Magomedov wrote: Hello, Are you using heterogeneous environment? There was a similar issue recently with segfault

Re: [OMPI users] [OMP users]: OpenMP1.4 tuning for sending large messages

2010-04-27 Thread Timur Magomedov
Hello, Are you using heterogeneous environment? There was a similar issue recently with segfault on mixed x86 and x86_64 environment. Here is corresponding thread in ompi-devel: http://www.open-mpi.org/community/lists/devel/2010/04/7787.php This was fixed in trunk and will likely be fixed in next 1

[OMPI users] [OMP users]: OpenMP1.4 tuning for sending large messages

2010-04-26 Thread Pooja Varshneya
Hi All, I am using OpenMPI 1.4 on a cluster of Intel quad-core processors running Linux and connected by ethernet. In an application, i m trying to send and receive large messages of sizes ranging from 1 KB upto 500 MB. The application works fine if the messages sizes are within 1 MB ran