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cluster:109 [2013/02/02 14:03] hmeij [Lammps GPU Testing (EC)] |
cluster:109 [2013/02/02 15:26] hmeij [Lammps GPU Testing (EC)] |
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- | Same tests (12 cpu cores) using lj/cut, eam, lj/expand, and morse: AU.reduced | + | Same tests (12 cpu cores) using lj/cut, eam, lj/expand, and morse: |
CPU only 6 mins 1 secs | CPU only 6 mins 1 secs | ||
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2 GPUs 1 mins 0 secs (never saw 2nd GPU used, problem set too small?) | 2 GPUs 1 mins 0 secs (never saw 2nd GPU used, problem set too small?) | ||
- | Same tests (12 cpu cores) using a restart file and using gayberne: GB | + | Same tests (12 cpu cores) using a restart file and using gayberne: |
CPU only 1 hour 5 mins | CPU only 1 hour 5 mins | ||
1 GPU 5 mins and 15 secs (a 18-19 times peed up) | 1 GPU 5 mins and 15 secs (a 18-19 times peed up) | ||
- | 2 GPUs 2 mins (see below) | + | 2 GPUs 2 mins |
+ | |||
+ | Francis' | ||
+ | |||
+ | ^3d Lennard-Jones melt: for 10,000 steps with 32,000 atoms^^^^^^ | ||
+ | |CPU only| -np 1 | -np 6 | -np 12 | -np 24 | -np 36 | | ||
+ | |loop times| | ||
+ | |GPU only| 1xK20 | 2xK20 | 3xK20 | 4xK20 | | ||
+ | |loop times| | ||
+ | ^3d Lennard-Jones melt: for 100,000 steps with 32,000 atoms^^^^^^ | ||
+ | |GPU only| 1xK20 | 2xK20 | 3xK20 | 4xK20 | (-np 1-4) | | ||
+ | |loop times| | ||
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===== Lammps GPU Testing (MW) ===== | ===== Lammps GPU Testing (MW) ===== |