Open MPI logo

Open MPI User's Mailing List Archives

  |   Home   |   Support   |   FAQ   |   all Open MPI User's mailing list

From: Jeff Squyres (jsquyres_at_[hidden])
Date: 2006-11-02 13:50:24


This paper explains it pretty well:

     http://www.open-mpi.org/papers/euro-pvmmpi-2006-hpc-protocols/

On Nov 2, 2006, at 1:37 PM, Brian Budge wrote:

> Hi all -
>
> I'm wondering how DMA is handled in OpenMPI when using the
> infiniband protocol. In particular, will I get a speed gain if my
> read/write buffers are already pinned via mlock?
>
> Thanks,
> Brian
> _______________________________________________
> users mailing list
> users_at_[hidden]
> http://www.open-mpi.org/mailman/listinfo.cgi/users

-- 
Jeff Squyres
Server Virtualization Business Unit
Cisco Systems