[gmx-users] Gromacs on Gigabit Ethernet Dual Opteron Cluster

[Anton Feenstra]

Ghermes Chilov wrote:
> Dear gmx-users,
> 
> I've got preliminary results of Gromacs's performance on Dual Opteron
> cluster (Gigabit Ethernet, LAM-MPI 7.0). The scalability is good (>80%)
> with up to 3 nodes used, but than it drops (44% for 8 nodes) and this
> decrease seems to correlate with CPU load (which also drops from
> 100-95% for 1 node to 60% for 8 nodes).

What system are you benchmarking with? It should be big enough,
like the 'dppc' from the benchmarks suite.


-- 
Groetjes,

Anton
  _____________ _______________________________________________________
|             |                                                       |
|  _   _  ___,| K. Anton Feenstra                                     |
| / \ / \'| | | Dept. of Pharmacochem. - Vrije Universiteit Amsterdam |
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|             | Feenstra at chem.vu.nl - www.chem.vu.nl/~feenstra/       |
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