[Cado-nfs-discuss] Linear Algebra with MPI

Alex Liao alexliao at seas.upenn.edu
Mon Jun 22 18:44:36 CEST 2015


Hi everyone,

I am having similar issues with this. When running

/home/alexliao/cado-nfs/build/linalg/bwc/bwc.pl :complete -v 'mpi=2x2'
'thr=2' 'm=128' 'n=128' 'nullspace=left'
'matrix=/home/alexliao/cado_work/test_run_80_mpi_full.merge.sparse.bin'
'wdir=/home/alexliao/cado_work/test_run_80_mpi_full.bwc'
'hosts=172.16.1.3,172.16.1.4,172.16.1.5,172.16.1.6' 'shuffled_product=1'
'bwc_bindir=/usr/local/cado/bin/linalg/bwc'

I get the following error in the dispatch step:

Inconsistency -- exactly 4 == 2 * 2 MPI jobs are needed -- got 1

​Any insight would be much appreciated. I'm using the version of CADO
pulled from the git repo and compiled using "MPI=/home/alexliao/.openmpi"
(OpenMPI 1.8.6)
​
​Thanks,​
-- 
Alex
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