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cluster:175 [2018/09/23 12:23]
hmeij07 [Gromacs]
cluster:175 [2018/09/25 12:39]
hmeij07 [Lammps]
Line 69: Line 69:
  
 </code> </code>
 +
 +== Lammps (PMMA) ==
 +
 +Material called PMMA (https://en.wikipedia.org/wiki/Poly(methyl_methacrylate). The PMMA simulations require the calculation of molecular bonds, which is not implemented in GPU hence more CPU cores are required than the Coillod example.
 +
 +a) 1GPU with X CPUs
 + 
 +#cpus   ns/day
 +4           89.6
 +2           61.6
 +1           34.3
 +
 +b) 4 GPUs with 4 CPUs
 +92 ns/day
 +
 +----------
 +compare these results to 
 +
 +1 K20 GPU + 4 CPUs  37 ns/day
 +1 K20 GPU + 6 CPUs  47 ns/day
 +1 GTX GPU + 4 CPUs  73 ns/day
 +1 GTX GPU + 6 CPUs  90 ns/day
 +
 +
 +
 +
  
 ==== Gromacs ==== ==== Gromacs ====
cluster/175.txt ยท Last modified: 2018/11/29 18:00 by hmeij07