Looks like a bug - can address next week. Very unusual use of npernode...

Sent from my iPad

On Oct 4, 2011, at 4:55 AM, Andrew Senin <andrew.se...@itseez.com> wrote:

> Hi all, 
> 
> I noticed a strange behaviour in 1.5.4 which seems to me as a bug. I'm trying 
> to launch 4 ranks on 2 nodes. If I add "-npernode 3 -bynode" parameters 
> mpirun freezes on start. When I tried with the "-display-map" parameter it 
> shows the following:
> ./mpirun --np 4 --host mir1,mir2 -npernode 3 -display-map -bynode ./hello 
> 
>  ========================   JOB MAP   ========================
> 
>  Data for node: mir1    Num procs: 3
>         Process OMPI jobid: [42759,1] Process rank: 0
>         Process OMPI jobid: [42759,1] Process rank: 2
>         Process OMPI jobid: [42759,1] Process rank: 4
> 
>  Data for node: mir2    Num procs: 1
>         Process OMPI jobid: [42759,1] Process rank: 1
> 
> Which seems as a problem since there supposed to be no rank #4 as np=4.
> 
> I've also tried with trunk. The application also freezes but does not show 
> the map of ranks.
> 
> Could you please assist if this is a bug or I'm doing something improperly?
> 
> Regards, 
> Andrew Senin
> 
> 
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