Perhaps we should error out, but at the moment, PE=4 forces bind-to-core and so 
the bind-to socket is being ignored

> On May 19, 2016, at 12:06 PM, Saliya Ekanayake <esal...@gmail.com> wrote:
> 
> Hi,
> 
> I understand --map-by will determine the process placement whereas --bind-to 
> will keep the processes pinned to the given resource. If this understanding 
> is correct, then I've got a doubt with the following.
> 
> On a node with 2 sockets and 12 cores each, 
> 
> --map-by ppr:3:socket,PE=4  --bind-to socket
> 
> My understanding is that this will give each process 4 cores. Now, with bind 
> to socket, does that mean it's possible that within a socket the assgined 4 
> cores for a process may change? Or will they stay in the same 4 cores always?
> 
> Thank you,
> Saliya
> 
> -- 
> Saliya Ekanayake
> Ph.D. Candidate | Research Assistant
> School of Informatics and Computing | Digital Science Center
> Indiana University, Bloomington
> 
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