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Table 2

Time taken (s) for differing methods and intensity thresholds (cm molecule−1) to compute opacities using the 500 million transitions of the BT2 water line list (Barber et al. 2006) between 0 and 30 000 cm−1 with a wavenumber binning of 0.1 cm−1.

Method Threshold Time(s)
Vec-Voigt 0 251.2
Humlíček 0 2775.6
Vec-Voigt 10−30 70.0
Humlíček 10−30 832.6

Notes. I/O time is not considered. Test was performed on single core on an Intel Core i5-2500 CPU at 3.30 GHz with 16 GB RAM.

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