[mpich-discuss] mpiexec and working directory

[tsilva at coas.oregonstate.edu]

Quoting Rajeev Thakur <thakur at mcs.anl.gov>:

> If you cd to the directory containing the executable, say a.out, and do
> "mpiexec -n 2 a.out" does it expect to find input files in your home
> directory? That's odd.

That is correct. I have tried another simpler code and the same thing happens.

>
>> -----Original Message-----
>> From: mpich-discuss-bounces at mcs.anl.gov
>> [mailto:mpich-discuss-bounces at mcs.anl.gov] On Behalf Of Tiago Silva
>> Sent: Thursday, November 06, 2008 6:02 PM
>> To: mpich-discuss at mcs.anl.gov
>> Subject: Re: [mpich-discuss] mpiexec and working directory
>>
>> Rajeev Thakur wrote:
>> > 1.0.3 is an ancient version of MPICH2. Try the latest
>> version, 1.0.8.
>> >
>> I will ask my systems administrator to do so.
>>
>> > The parameters to mpiexec are not identical between MPICH-1 and
>> > MPICH2. Do mpiexec --help. Make sure you are calling
>> MPICH2's mpiexec, not MPICH-1's.
>> >
>> I am actually invoking mpiexec with its full path. Is there
>> any incorrect parameter on my mpiexec call?
>> I
>> > If your input files are in the same directory as the
>> executable, you
>> > should not need to specify anything.
>> >
>> But that is exactly the problem. The executable can't find
>> the input files on the working directory.
>>
>>
>
>