On Sep 12, 2011, at 12:39 PM, Shamis, Pavel wrote: > OMPI Developers: > > Maybe we should consider disabling the use of per-peer queue pairs by > default. Do they buy us anything? For what it is worth, we have stopped > using them on all of our large systems here at LANL. > > It is cons-and-pros of using per-peer queues. It really depends on > application behavior. > I would suggest some dynamic-adjustment solution. If NP > some_threshould -> > switch to SRQ or XRC.
Definitely worth thinking about. IB vendors? > Also I would recommend to print our some informative error message for "qp > errno says Cannot allocate memory" error. +1. That's a terrible error message. -- Jeff Squyres jsquy...@cisco.com For corporate legal information go to: http://www.cisco.com/web/about/doing_business/legal/cri/
