On Oct 21, 2008, at 2:33 PM, Adams, Brian M wrote:
>> -----Original Message-----
>> From: users-bounces_at_[hidden]
>> [mailto:users-bounces_at_[hidden]] On Behalf Of Ralph Castain
>> Sent: Tuesday, October 21, 2008 10:53 AM
>> To: Open MPI Users
>> Subject: Re: [OMPI users] OpenMPI runtime-specific
>> environment variable?
>> On Oct 21, 2008, at 10:37 AM, Adams, Brian M wrote:
>>> think it will help here. While MPICH implementations
>> typically left
>>> args like -p4pg -p4amslave on the command line, I don't see that
>>> coming from OpenMPI-launched jobs.
>> Really? That doesn't sound right - we don't touch the
>> arguments to your application. We test that pretty regularly
>> and I have always seen the args come through.
>> Can you provide an example of where it isn't?
> Sorry Ralph, I caused some confusion here. You are correct that
> OMPI does nothing to muck with any arguments passed to the user
> application -- they come through as expected.
> I meant that when launching a binary with MPICH mpirun, it would
> _append_ to the command line arguments things including
> -p4pg and -p4wd, possibly -p4amslave, which we could detect at run-
> time in the app context to determine that the app had indeed been
> launched with mpirun.
Whew! Thanks for clarifying!
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