[Beowulf] slow mpi init/finalize

[Michael Di Domenico]

On Tue, Oct 17, 2017 at 6:53 PM, Christopher Samuel
<samuel at unimelb.edu.au> wrote:
> On 18/10/17 01:59, Michael Di Domenico wrote:
>
>> i think i can safely say at this point it's probably not hardware
>> related, but something went wonky with openmpi.  i downloaded the new
>> version 3 that was released, i'll see if that fixes anything.
>
> 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.