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Firefly-8.0.1 is not using all the cores of processor...

Siddheshwar Chopra
sidhusai@gmail.com


Dear Sir,
I am running calculations on Linux mint-15, with i3 processor-2.2 GHz, 2GB RAM. I am running Firefly-8.0.1 as follows:
mpirun -np 4 firefly801 -i /home/sid/Desktop/Fire/1.inp -o /home/sid/Desktop/Fire/1.log

But I get the following error message and the system monitor also shows that ONLY 2 processors are being used.


                          Running on host matrix                           Running on host matrix


FATAL ERROR INITIALIZING FIREFLY! CHECK YOUR COMMAND LINE OPTIONS!
x


FATAL ERROR INITIALIZING FIREFLY! CHECK YOUR COMMAND LINE OPTIONS!


ON MASTER NODE, ERROR CODE IS : 0x00010004 ON MASTER NODE, ERROR CODE IS : 0x00010004
   Unable to create output file
   Output file already exists!


   Unable to create output file
   Output file already exists!

                          Running on host matrix


FATAL ERROR INITIALIZING FIREFLY! CHECK YOUR COMMAND LINE OPTIONS!

ON MASTER NODE, ERROR CODE IS : 0x00010004
   Unable to create output file
   Output file already exists!

Please tell me what has to be done so that Firefly uses 4 processors/threads?


Regards,


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