On Mon, Dec 04, 2006 at 01:02:48AM +0530, Chevchenkovic Chevchenkovic wrote: > Is it possible to control the LID where the send and recvs are > posted.. on either ends? No, but you can control how much LIDs will be used from available LIDs. This can be configured with "btl_openib_max_lmc" parameter.
> > On 12/3/06, Gleb Natapov <gl...@voltaire.com> wrote: > > On Sun, Dec 03, 2006 at 07:03:33PM +0530, Chevchenkovic Chevchenkovic wrote: > > > Hi, > > > I had this query. I hope some expert replies to it. > > > I have 2 nodes connected point-to-point using infiniband cable. There > > > are multiple LIDs for each of the end node ports. > > > When I give an MPI_Send, Are the sends are posted on different LIDs > > > on each of the end nodes OR they are they posted on the same LID? > > > Awaiting your reply, > > It depend what version of Open MPI your are using. If you are using > > trunk or v1.2 beta then all available LIDs are used in RR fashion. The early > > versions don't support LMC. > > > > -- > > Gleb. > > _______________________________________________ > > 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 -- Gleb.
