[mpich-discuss] Weird thing -- MPICH2 on domain

[Jayesh Krishna]

Hi,
 Is there any communication (MPI) between the laptop and the desktop? MPICH2 currently does not support running MPI programs across 32-bit and 64-bit machines.
 How are you running your program (The complete mpiexec command and the output. Please copy-paste it from the command window)?

Regards,
Jayesh 

----- Original Message -----
From: "Qiguo Jing" <QJing at TrinityConsultants.com>
To: mpich-discuss at mcs.anl.gov
Sent: Friday, January 25, 2013 5:16:58 PM
Subject: [mpich-discuss] Weird thing -- MPICH2 on domain


All, 

I have been encountering a weird thing, which draw me crazy. I hope someone here can help me. 

I have two computers, a laptop (Windows 7 64 bit) and a desktop (Window 7 32 bit). Both are in company domain, and I use the some information to login. So the MPICH2 registration information are the same for both computers. I developed a parallel FORTRAN program using my laptop. 

1. If I connect the internet cable on laptop. --> Program works. Results are good. 
2. If I disconnect the internet cable on laptop. --> Program fails, saying Program Exception - access violation 
3. If I connect the internet cable on Desktop. --> Program runs and finishes, but the results are wrong. Slave processors and master processor do not communicate, so that results on slave processor can not be passed to main processor. 
4. If I disconnect the internet cable on Desktop. -> Program works. Results are good. 


Can someone help? 


Thanks. 
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