Table 2
Computational expenses needed to run either the Mg ii or the H i model atoms in the 3D Bifrost snapshot using the 3D formal solution of the transfer equation.
| Model atom: | Five-level Mg ii | Six-level H i | ||
| case: | CRD | PRD | CRD | PRD |
|
|
||||
|
457 | 628 | ||
|
306 | 204 | ||
|
|
||||
| Ndex | 20 | 70 | 90 | 200 |
| titer(323) | 4 m | 9 m | 5 m | 12 m |
| tdex(323) | 80 m | 11 h | 7 h | 2 d |
Notes. Time is measured for a computational subdomain of NXNYNZ = 323 grid points and is rounded to s(econds), m(inutes), h(ours), or d (ays). The calculations were performed on a Cray XC40 supercomputer.
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