TABLE V.

Computational times (CT) required by MCell with r_int = 5 × 10⁻³ μm and r_int = 0.1 μm and our method for different Damköhler number Da_L to reach the steady state. The superscript ^* indicates the sample average of 100 trials. The time to reach the steady state ($t_{k_{\mathrm{s}\mathrm{s}}}$), the time step, and the computational time is in seconds.

			MCell (rint = 5 × 10−3 μm)		MCell (rint = 0.1 μm)		Our method
Regime	DaL	$t_{k_{\mathrm{s}\mathrm{s}}}$ (s)	Time step (s)	CT (s)	Time step (s)	CT (s)	CT (s)
Diffusion-dominated	0.01	1	10−2	1.1524	0.1	0.6367	0.0441
Diffusion-dominated/intermediate transition	0.1	1	10−3	1.7071	0.1	0.2149	0.0435
Intermediate	1	1	10−4	2.8125	0.1	0.0821	0.0421
Reaction-dominated/intermediate transition*	10	1.5	10−5	20.4414	0.1	0.0625	0.0405
Reaction-dominated*	100	6	10−6	228.9688	0.1	0.0521	0.0388