Table 2
Time consumption of FLITS in CPU sec / spectral line as a function of disc model grid size Nr × Nz and velocity channel width Δv.
| Model grid size | 50 × 40 | 90 × 70 | 140 × 140 | 200 × 300 |
|---|---|---|---|---|
| Δv = 5 km s−1 | 0.028 | 0.061 | 0.18 | 0.71 |
| Δv = 2 km s−1 | 0.066 | 0.14 | 0.40 | 1.5 |
| Δv = 1 km s−1 | 0.13 | 0.28 | 0.80 | 3.0 |
| Δv = 0.5 km s−1 | 0.29 | 0.58 | 1.6 | 5.9 |
Notes. Tested on a 3.4 GHz Linux computer with accuracy = −1. The “accuracy” setting in FLITS determines how many rays are used to sample the disc, depending on the original PRODIMO disc model grid size. For the lowest accuracy level chosen here, FLITS uses about 3000 rays for the 50 × 40 model, 5000 rays for 90 × 70, 7000 rays for 140 × 140, and 12 000 rays for 200 × 300. For higher accuracy settings, more rays are used to better resolve the disc in the image plane.
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