I think you need to start python with mpi, i.e. mpirun -np X alpspython
But I never tried myself.
Best, Michele
-- ETH Zurich Michele Dolfi Institute for Theoretical Physics HIT G 32.4 Wolfgang-Pauli-Str. 27 8093 Zurich Switzerland
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On 21 Jun 2014, at 08:36, Soumen Bag soumenkrbag@gmail.com wrote:
Hi experts,
I have installed alps. Some test were failed. After installation I am getting following error.
[soumen@Rahman ALPS_INSTALL_PACKAGES]$ alpspython Python 2.7 (r27:82500, May 26 2014, 22:54:42) [GCC 4.1.2 20080704 (Red Hat 4.1.2-48)] on linux2 Type "help", "copyright", "credits" or "license" for more information.
import pyalps.cthyb import pyalps.mpi
PMGR_COLLECTIVE ERROR: unitialized MPI task: Missing required environment variable: MPIRUN_RANK
Can anyone suggest where things are going wrong? Any help will be strongly appreciated.
Thanks, Soumen Kumar Bag Physical Science Dept. IISC