Ralph and Tetsuya, is this related to the hang i reported at http://www.open-mpi.org/community/lists/devel/2014/06/14975.php ?
Nathan already replied he is working on a fix. Cheers, Gilles On 2014/06/20 11:54, Ralph Castain wrote: > My guess is that the coll/ml component may have problems with binding a > single process across multiple cores like that - it might be that we'll have > to have it check for that condition and disqualify itself. It is a > particularly bad binding pattern, though, as shared memory gets completely > messed up when you split that way. >
