I echo what Ralph said -- congratulations! Let us know when you'll be ready to contribute back what you can.
Thanks! On Jun 27, 2011, at 9:58 PM, Takahiro Kawashima wrote: > Dear Open MPI community, > > I'm a member of MPI library development team in Fujitsu. Shinji > Sumimoto, whose name appears in Jeff's blog, is one of our bosses. > > As Rayson and Jeff noted, K computer, world's most powerful HPC system > developed by RIKEN and Fujitsu, utilizes Open MPI as a base of its MPI > library. We, Fujitsu, are pleased to announce that, and also have special > thanks to Open MPI community. > We are sorry to be late announce! > > Our MPI library is based on Open MPI 1.4 series, and has a new point- > to-point component (BTL) and new topology-aware collective communication > algorithms (COLL). Also, it is adapted to our runtime environment (ESS, > PLM, GRPCOMM etc). > > K computer connects 68,544 nodes by our custom interconnect. > Its runtime environment is our proprietary one. So we don't use orted. > We cannot tell start-up time yet because of disclosure restriction, sorry. > > We are surprised by the extensibility of Open MPI, and have proved that > Open MPI is scalable to 68,000 processes level! We feel pleasure to > utilize such a great open-source software. > > We cannot tell detail of our technology yet because of our contract > with RIKEN AICS, however, we will plan to feedback of our improvements > and bug fixes. We can contribute some bug fixes soon, however, for > contribution of our improvements will be next year with Open MPI > agreement. > > Best regards, > > MPI development team, > Fujitsu > > >> I got more information: >> >> http://blogs.cisco.com/performance/open-mpi-powers-8-petaflops/ >> >> Short version: yes, Open MPI is used on K and was used to power the 8PF runs. >> >> w00t! >> >> >> >> On Jun 24, 2011, at 7:16 PM, Jeff Squyres wrote: >> >>> w00t! >>> >>> OMPI powers 8 petaflops! >>> (at least I'm guessing that -- does anyone know if that's true?) >>> >>> >>> On Jun 24, 2011, at 7:03 PM, Rayson Ho wrote: >>> >>>> Interesting... page 11: >>>> >>>> http://www.fujitsu.com/downloads/TC/sc10/programming-on-k-computer.pdf >>>> >>>> Open MPI based: >>>> >>>> * Open Standard, Open Source, Multi-Platform including PC Cluster. >>>> * Adding extension to Open MPI for "Tofu" interconnect >>>> >>>> Rayson > _______________________________________________ > devel mailing list > de...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/devel -- Jeff Squyres jsquy...@cisco.com For corporate legal information go to: http://www.cisco.com/web/about/doing_business/legal/cri/
