Can 64-bit Mpiexec start programs compiled for 32-bit?

[Garrick Staples]

On Wed, Mar 22, 2006 at 07:51:31PM +0000, David Golden alleged:
> On 2006-03-22 14:04:51 -0500, Tod Hagan wrote:
> > One thing I haven't yet tried is compiling mpiexec in 32-bit --
> > linking with our batch system will require me to also compile 32-bit
> > Torque libraries, which I was hoping to avoid.
> > 
> 
> I do that and it seems to work, FWIW. Hadn't actually tried it 
> any other way, just currently happen to have  both 32-bit and 
> 64-bit clusters and was building both anyway :-)

Using a 64bit TORQUE MOM and mpichgm, I can't duplicate any errors.

64bit mpiexec, 32bit program... works
64bit mpiexec, 64bit program... works
32bit mpiexec, 32bit program... works
32bit mpiexec, 64bit program... works

I also just tried with mpich-p4 and everything works fine.

-- 
Garrick Staples, Linux/HPCC Administrator
University of Southern California
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