Re: [OMPI users] PRRTE DVM: how to specify rankfile per prun invocation?

2021-01-13 Thread Alexei Colin via users
On Mon, Jan 11, 2021 at 05:25:56PM +, Josh Hursey via users wrote: > Thank you for the bug report. I filed a bug against PRRTE so this doesn't get > lost that you can follow below: >   https://github.com/openpmix/prrte/issues/720 > > Making rankfle a per-job instead of a per-DVM option might

[OMPI users] PRRTE DVM: how to specify rankfile per prun invocation?

2020-12-15 Thread Alexei Colin via users
Hi, is there a way to allocate more resources to rank 0 than to any of the other ranks in the context of PRRTE DVM? With mpirun (aka. prte) launcher, I can successfully accomplish this using a rankfile: rank 0=+n0 slot=0 rank 1=+n1 slot=0 rank 2=+n1 slot=1 mpirun -n 3 --bind-to n

Re: [OMPI users] PRRTE DVM: how to tell prun to not share nodes among prun jobs?

2020-11-14 Thread Alexei Colin via users
On Sat, Nov 14, 2020 at 08:07:47PM +, Ralph Castain via users wrote: > IIRC, the correct syntax is: > > prun -host +e ... > > This tells PRRTE that you want empty nodes for this application. You can even > specify how many empty nodes you want: > > prun -host +e:2 ... > > I haven't tested

[OMPI users] PRRTE DVM: how to tell prun to not share nodes among prun jobs?

2020-11-14 Thread Alexei Colin via users
Hi, in context of the PRRTE Distributed Virtual Machine, is there a way to tell the task mapper inside prun to not share a node across separate prun jobs? For example, inside a resource allocation from Cobalt/ALPS: 2 nodes with 64 cores each: prte --daemonize prun ... & ... prun ... & pterm Scen