[Beowulf] slow mpi init/finalize

[Chris Samuel]

On Wednesday, 18 October 2017 10:41:55 PM AEDT Michael Di Domenico wrote:

> On Tue, Oct 17, 2017 at 6:53 PM, Christopher Samuel
> <samuel at unimelb.edu.au> wrote:
> 
> > You are building Open-MPI with the config option:
> > 
> > --with-verbs
> > 
> > to get it to enable IB support?
> 
> i'm not specifically adding that line to my configure statement.

In that case you're unlikely to be enabling Infiniband support, so you'll need 
to pass that through to enable it (and you'll need to have the appropriate IB 
development packages installed too).

What does this say?

ompi_info  | fgrep openib

Best of luck,
Chris
-- 
 Christopher Samuel        Senior Systems Administrator
 Melbourne Bioinformatics - The University of Melbourne
 Email: samuel at unimelb.edu.au Phone: +61 (0)3 903 55545