> On Feb 15, 2017, at 5:45 AM, Mark Dixon <m.c.di...@leeds.ac.uk> wrote:
> 
> On Wed, 15 Feb 2017, r...@open-mpi.org wrote:
> 
>> Ah, yes - I know what the problem is. We weren’t expecting a PE value of 1 - 
>> the logic is looking expressly for values > 1 as we hadn’t anticipated this 
>> use-case.
> 
> Is it a sensible use-case, or am I crazy?

Not crazy, I’d say. The expected way of doing it would be “--map-by socket 
--bind-to core”. However, I can see why someone might expect pe=1 to work.

> 
>> I can make that change. I’m off to a workshop for the next day or so, but 
>> can probably do this on the plane.
> 
> You're a star - thanks :)
> 
> Mark_______________________________________________
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