On Jun 4, 2013, at 8:20 AM, W Spector <w...@earthlink.net> wrote: >> Yes, this is true -- MPI_THREAD_MULITPLE support is fairly incomplete in >> Open MPI. > > One would hope a simple MPI_Barrier call would work though...
Underneath, I am pretty sure that barrier is doing an MPI_WAITALL. Nathan actually just agreed to look at this bug today. > My home linux system is nothing sophisticated. Just a quad core I-5 on a > Intel DP55WB motherboard and Ubuntu Linux. No fancy interconnects. I'm guessing it's a double lock of some kind (i.e., a coding error in OMPI); not related to your network. -- Jeff Squyres jsquy...@cisco.com For corporate legal information go to: http://www.cisco.com/web/about/doing_business/legal/cri/
