...but only of v1.6.x. On Dec 18, 2012, at 10:32 AM, Ralph Castain wrote:
> Also, be aware that the Cygwin folks have already released a fully functional > port of OMPI to that environment as a package. So if you want OMPI on Cygwin, > you can just download and install the Cygwin package - no need to build it > yourself. > > > On Dec 18, 2012, at 7:23 AM, Jeff Squyres <jsquy...@cisco.com> wrote: > >> On Dec 18, 2012, at 10:06 AM, JR Cary wrote: >> >>> So, IMO, OpenMPI would have to turn to a different >>> group for support. E.g., Microsoft compatible HPC >>> application vendors. And for that one would need a >>> compelling case of being better in, e.g., performance. >> >> I doubt that a performance case could be made. That is, I don't expect >> modern versions of Windows are any more/less efficient and integer/floating >> point ops (which are key to HPC apps) than modern versions of Linux or other >> OS's. The underlying x86 hardware is the same (in most/commodity cases), >> after all. >> >> Windows also has (effectively) an OS-bypass network stack, like Linux, for >> network providers. >> >> Hence, I don't want to open the "Windows performance vs. Linux performance" >> religious debate. I'm assuming that if someone cared, they could get >> comparable performance out of Windows and Linux. >> >>> Perhaps there is another way? >> >> >> At this point, I think we're up for volunteers. :-\ >> >> FWIW: I'm still debating these cygwin patches. >> >> The cmake/native build process will likely go if no one steps up to maintain >> it. But in our discussions, I don't think we've delineated between "Windows >> native" and "cygwin": a major difference is that he cygwin build uses the >> same Autotools build system that OMPI uses on POSIX systems. And I don't >> know how much custom code cygwin requires vs. native Windows code (although >> I seem to recall that native windows code definitely performs better than >> its cygwin counterparts -- e.g., Windows SOCKETs are faster then cygwin >> POSIX sockets). >> >> -- >> Jeff Squyres >> jsquy...@cisco.com >> For corporate legal information go to: >> http://www.cisco.com/web/about/doing_business/legal/cri/ >> >> >> _______________________________________________ >> users mailing list >> us...@open-mpi.org >> http://www.open-mpi.org/mailman/listinfo.cgi/users > > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users -- Jeff Squyres jsquy...@cisco.com For corporate legal information go to: http://www.cisco.com/web/about/doing_business/legal/cri/
