On Sat, 2006-10-28 at 08:45 -0400, Jeff Squyres wrote: > Sorry for the delay on this -- is this still the case with the OMPI > trunk? > > We think we finally have all the issues solved with MPI_ABORT on the > trunk. >
Nah, it was a problem with overutilization, i.e. 4tasks on 2 cpus in one node. Turning on yield_when_idle made the problem go away. As to why it didn't figure this out by itself is another problem. Summary: 1.1.2 works correctly, no problems. (Except when building with PGI, i have patches...) > >> Lets add some more data to this... > >> BLACS 1.1p3 > >> Ubuntu Dapper 6.06 > >> dual opteron > >> gcc 4.0 > >> gfortran 4.0 (for both f77 and f90) > >> standard tests with 4 tasks on one node (i.e. 2 tasks per cpu) > >> > >> OpenMPI 1.1.2rc3 > >> The tests comes to a complete standstill at the integer bsbr tests > >> It consumes cpu all the time but nothing happens. > > > > Actually if i'm not too inpatient i will progress but VERY slowly. > > A complete run of the blacstest takes +30min cpu-time... > >> From the bsbr tests and onwards everything takes "forever". -- Ake Sandgren, HPC2N, Umea University, S-90187 Umea, Sweden Internet: a...@hpc2n.umu.se Phone: +46 90 7866134 Fax: +46 90 7866126 Mobile: +46 70 7716134 WWW: http://www.hpc2n.umu.se
