[mvapich-discuss] cpu placement with mpiexec?

[Joseph Hargitai]

> The new mpirun_rsh framework takes into account the modern multi-core
> architectures (i.e., establishing connections first to a leader in a node
> and then to other cores in that node in a hierarchical manner). Thus, 
> the
> start-up becomes faster and can scale to larger number of nodes/cores. 
> The
> job termination/cleanup issue with mpirun_rsh you are mentioning has been
> solved with some of the recent patches. If you download and use mvapich
> 1.1RC1 or the trunk version of mvapich2 1.2 (not rc2), you will get these
> fixes.  These fixes will be part of the formal mvapich 1.1 and mvapich2
> 1.2 releases (which are coming soon).


will mpirun_rsh alone do the cleanup or you need rsh really to be working on the nodes, and pass the -rsh  option?

j