Re: [OMPI users] openmpi src rpm and message coalesce

2009-04-15 Thread Jeff Squyres
On Apr 10, 2009, at 9:54 AM, vkm wrote: I was trying to understand how "btl_openib_use_message_coalescing" is working. Heh. It's ugly. :-) It's purely a benchmark optimization; there are very few (if any) real- world apps that will benefit from this feature. I freely admit that we we

[OMPI users] openmpi src rpm and message coalesce

2009-04-10 Thread vkm
Hi, I was trying to understand how "btl_openib_use_message_coalescing" is working. Since for a certain test scenario, IMB-EXT is working if I use "btl_openib_use_message_coalescing = 0" and not for "btl_openib_use_message_coalescing = 1" No idea, who can have BUG here either open-mpi or low-le