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srun --partition=anagpu --ntasks=4 --ntasks-per-node=4 python ./test_mpi.py
Comparing Different Versions of openmpi on drp-srcf and slac sdf.
We investigate performance of how different builds of openmpi perform on drp-srcf and sdf nodes.
sdf:
1) openmpi 4.0.4 ('--prefix=/opt/openmpi-4.0.4' '--with-ucx' '--enable-mpi-cxx')
drp-srcf:
1) openmpi 4.1.1 (from ana-4.0.23-py3 with ucx)
2) openmpi 4.1.0 (from ps-4.3.2 w/o ucx)
Traffics were going between two nodes. On sdf, these are rome0253-0254 and on srcf eb011-010. Rates (GB/s) shown here are Maximum rate observed.
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