Intel-MPI 3.0beta sends cmd=get_ranks2hosts

[Thomas Zeiser]

Hi Pete,

I tested the version mentioned below with several applications
using Intel MPI 3.0 either with sock (TCP/Gbit) or rdma (Infibinand)
device and everything went fine!

Thanks,

thomas

On Mon, Nov 20, 2006 at 02:57:31PM -0500, Pete Wyckoff wrote:
> thomas.zeiser at rrze.uni-erlangen.de wrote on Mon, 13 Nov 2006 18:33 +0100:
> > Thanks to Pete for pointing me to the correct part of the code and
> > providing already a wrapper. As I did not dig too much into the
> > details of mpiexec, there might be nicer way to implement but at
> > least it worked in my initial tests (and should even take care of
> > hostname transformations) ...
> 
> It looks great.  I wanted to make a couple of changes:  handle
> MPI_Spawn case correctly, just in case Intel supports that and
> someone ends up using it.  And avoid the quadratic algorithm for
> generating the list.  I'm also caching the response for use by
> other tasks.  Thanks for figuring out the odd syntax and getting
> the spaces and commas and newlines correct---I left all that
> alone (modulo bugs).
> 
> But my changes may have broken a perfectly working patch from you.
> Would you be willing to test and debug this version?  It's SVN plus
> a not-checked-in yet part that includes the get_ranks2hosts changes:
> 
>     http://www.osc.edu/~pw/mpiexec/mpiexec-0.81+20061120.tgz
> 
> If you give it the thumbs-up, I'll check it in, do a couple other
> little things, then make a release soon.
> 
> 		-- Pete