Attached is the output of ompi_info --all .
Note that the message :
Fort use mpi_f08: yes
Fort mpi_f08 compliance: The mpi_f08 module is available, but due to
limitations in the gfortran compiler, does not support the following:
array subsections, direct passthru (where possible) to underlying Open
MPI's C functionality
is not correct anymore--gfortran 6.0.0 now includes array subsections
Not sure about direct passthru.Ron --- Ron Cohen recoh...@gmail.com skypename: ronaldcohen twitter: @recohen3 On Wed, Mar 23, 2016 at 7:54 AM, Ronald Cohen <recoh...@gmail.com> wrote: > I get 100 GFLOPS for 16 cores on one node, but 1 GFLOP running 8 cores > on two nodes. It seems that quad-infiniband should do better than > this. I built openmpi-1.10.2g with gcc version 6.0.0 20160317 . Any > ideas of what to do to get usable performance? Thank you! > > bstatus > Infiniband device 'mlx4_0' port 1 status: > default gid: fe80:0000:0000:0000:0002:c903:00ec:9301 > base lid: 0x1 > sm lid: 0x1 > state: 4: ACTIVE > phys state: 5: LinkUp > rate: 56 Gb/sec (4X FDR) > link_layer: InfiniBand > > Ron > -- > > Professor Dr. Ronald Cohen > Ludwig Maximilians Universität > Theresienstrasse 41 Room 207 > Department für Geo- und Umweltwissenschaften > München > 80333 > Deutschland > > > ronald.co...@min.uni-muenchen.de > skype: ronaldcohen > +49 (0) 89 74567980 > --- > Ronald Cohen > Geophysical Laboratory > Carnegie Institution > 5251 Broad Branch Rd., N.W. > Washington, D.C. 20015 > rco...@carnegiescience.edu > office: 202-478-8937 > skype: ronaldcohen > https://twitter.com/recohen3 > https://www.linkedin.com/profile/view?id=163327727 > > > --- > Ron Cohen > recoh...@gmail.com > skypename: ronaldcohen > twitter: @recohen3
ompi_info.out
Description: Binary data
