Re: [BProc] Bproc and mpi

[Greg W. <gw...@la...>]

Jan,

On Jun 14, 2005, at 6:40 AM, Jan Huelsberg wrote:

> Now I am a little bit further the in the last posting.
> As Erik pointed out bproc is not a communication layer, so I  
> configured mpich without the option --with-comm=bproc.
> The compiling went fine.
> I set the RSHCOMMAND to bpsh and the examples seem to run.
> But I don't get the prompt back, something hangs.
>
> Furthermore I was surprised, that I don't have to copy the  
> executables to the nodes at all.
> Is bproc handling this all by itself?

That's the whole point of bproc. The nodes have no executables at  
all, but the process is migrated from the front end to the node in  
order to run.

>
> I just changed to the examples directory, compiled the cpi.c  
> program, used the mpirun that was shipped with the cmtools and set  
> up the machines.LINUX file.
> That's it.

Bproc provides it's own mechanism for obtaining the node names.  
machines.LINUX is not used.

>
> Did I miss something?
>
> Jan.
>
>
>
>
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