Re: [OMPI users] arch question: long running app

2007-12-06 Thread doktora v
Jeff, Thanks for the detailed discussion. It certainly makes things a lot clearer, just as I was giving up my hopes for a reply. The app is fairly heavy on communication (~10k messages per minute) and is also embarrassingly parallel. Taking this into account, I think I'll readjust my resilience ex

Re: [OMPI users] arch question: long running app

2007-12-06 Thread Jeff Squyres
It certainly does make sense to use MPI for such a setup. But there are some important things to consider: 1. MPI, at its heart, is a communications system. There's lots of other bells and whistles (e.g., starting up a whole bunch of processes in tandem), but at the core: it's all about p

[OMPI users] arch question: long running app

2007-12-04 Thread doktora v
Hi, although I did my due diligence on searching for this question, I apologise if this is a repeat. >From an architectural point of view does it make sense to use MPI in the following scenario (for the purposes of resilience as much as parallelization): Each process is a long-running process (run