Hi,
We are a bunch of undergraduate students and have put up a cluster
of 16 IBM's using LAM for the purpose of running GROMACS. During
our simulation test runs we noticed that the running time
increases as the number of nodes in the LAM topology increases. We
couldn't diagonise the problem...plz help.
We used the folowing commands:
mpirun N -lamd -nger -nsigs mdrun -v -s full........-g flog
We got the following running times...
1 node - 13hrs 5:27
2 nodes - 16hrs 12:59
4 nodes - 17hrs 32:14
8 nodes - 45hrs 00:36
16 nodes - 45hrs 46:55
Venkat
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