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Old 07-13-2014, 05:23 PM   #1
egunon
LQ Newbie
 
Registered: Jul 2014
Posts: 1

Rep: Reputation: Disabled
P_ARPACK MPI error


Hello,

I have just downloaded ARPACK & P_ARPACK.

Nevertheless, I get an error executing the P_ARPACK's examples. My laptop is an intel core 2 and I am using these libraries in a virtualbox, scientific linux 6.5.

I installed the latest version of openmpi and although everything compiles well I got this error :
An error occurred in MPI_Allreduce
on communicator MPI_COMM_WORLD
MPI_ERROR_OP: invalid reduce operation
MPI_ERRORS_ARE_FATAL: your MPI job will now abort.

This is the PATH I have: /usr/local/bin:/usr/bin/:/bin:/usr/local/sbin:/usr/sbin:/sbin:/usr/lib/openmpi/bin/::/usr/lib/openmpi/bin//usr/lib/openmpi/bin/

(I don't know why the last one is repeated three times)

LD_LIBRARY_PATH: /usr/lib/openmpi/lib/

If you need a log file, please specify the location as I am just starting with this library.
Browsing on the net it seems that the installation should be pretty straightforward, I expect this to be a problem with my configuration script.
Do you know how I could solve this error?

Thank you in advance,

Garazi Gómez de Segura
 
  


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