GEOS-5 Run-Time Characteristics for Ganymed 4.0
Performance at various resolutions
| Resolution | CPUs (typical) | Wall Clock Time (Hours) | CPU Time (Hours) | Data Volume (Gbytes) | Notes |
|---|---|---|---|---|---|
| C48 (2-deg) | 96 | 0.20 | 19 | 5.5 | Highly depends on fields saved |
| C90 (1-deg) | 96 | 0.60 | 58 | 21 | Highly depends on fields saved |
| C180 (0.5-deg) | 384 | 1 | 383 | 85 | Highly depends on fields saved |
| C360 (0.25-deg) | 864 | 2.5 | 2000 | 330 | Highly depends on fields saved |
| C720 (14-km) | 1536 | Highly depends on fields saved |
Scaling for Cubed-Sphere Version at C180 (1/2 deg)
| Layout NX | Layout NY | Total PEs | Total Time (hrs) | Dynamics Time | Physics Time | Dynamics Percent | Physics Percent |
|---|---|---|---|---|---|---|---|
| 8 | 36 | 288 | 1.49 | 0.34 | 1.15 | 23.02% | 76.98% |
| 8 | 48 | 384 | 0.61 | 0.15 | 0.46 | 24.58% | 75.42% |
| 12 | 72 | 864 | 0.35 | 0.12 | 0.22 | 35.18% | 64.82% |