[MPICH] Windows distrib and Myrinet questions

Patrick Gräbel pgraebel at stud.fh-dortmund.de
Thu Jun 28 16:29:14 CDT 2007

Thanks for your answers!

Scott Atchley mentioned that MPICH2-MX (beta) is available. Does he mean
"nemesis:mx" or something else (like a MPICH2 branch or a different
communication device)?


Jayesh Krishna schrieb:
> Hi,
>  To use the shared memory channel on windows specify "-channel shm" as an
> argument to the mpiexec command (Refer to the windows developer's guide
> available at http://www-unix.mcs.anl.gov/mpi/mpich/ for more details).
>  MPICH2 on windows currently supports sock (tcp socket), shm (shared memory)
> & ssm (sockets & shared memory) channels. Currently support for Myrinet is
> not available on windows. However on linux you can use the nemesis channel
> in MPICH2 (configure with nemesis:mx) to use Myrinet.
>  We are planning to port nemesis to Windows in future (tentative date should
> be mid next year) and then Myrinet support would be available on windows.
> Regards,
> Jayesh
> -----Original Message-----
> From: owner-mpich-discuss at mcs.anl.gov
> [mailto:owner-mpich-discuss at mcs.anl.gov] On Behalf Of Patrick Gräbel
> Sent: Thursday, June 28, 2007 3:08 PM
> To: mpich-discuss at mcs.anl.gov
> Subject: [MPICH] Windows distrib and Myrinet questions
> Hi!
> Does the MPICH2 Windows binary distribution (installer file) communicate via
> sock only? Do I have to compile it by myself to get local communication use
> shared memory?
> What's the status on Myrinet support for MPICH2? Am I able to use it with
> ordinary PCs if I buy a PICe Myrinet NIC, suitable cables and switches? Is
> it that simple?
> Greetings,
> Patrick.

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