Re: [OMPI users] on cluster job slowdown near end

2011-09-24 Thread Jeff Squyres
You might want to run some profiling / timing to see what parts of the application start running slower over time. Also check for memory leaks. On Sep 22, 2011, at 5:44 PM, Tom Hilinski wrote: > Hi, A job I am running slows down as it approaches the end. I'd > appreciate any ideas you may have

[OMPI users] on cluster job slowdown near end

2011-09-22 Thread Tom Hilinski
Hi, A job I am running slows down as it approaches the end. I'd appreciate any ideas you may have on possible cause or what else I can look at for diagnostic info. Environment: * Linux cluster, very recent version of Fedora. * openmpi 1.5 Characteristics of job: * Tasks are all the same size and