Re: [OMPI users] Openmpi SGE and BLACS

Found the problem. I had accidently linked to BLACS built wit mpich, not openmpi. Cheers, Conn From: Conn ORourke To: "us...@open-mpi.org" ; "terry.don...@oracle.com" Sent:

Re: [OMPI users] IB Memory Requirements, adjusting for reduced memory consumption

On 13-Jan-12 12:23 AM, Nathan Hjelm wrote: > I would start by adjusting btl_openib_receive_queues . The default uses > a per-peer QP which can eat up a lot of memory. I recommend using no > per-peer and several shared receive queues. > We use S,4096,1024:S,12288,512:S,65536,512 And here's the FAQ