Analysis of Electromagnetic Propagation from MHz to THz with a Memory-Optimised CPML-FDTD Algorithm

Table 7

Computing time required in double- and single-precision modes, for the different numerical experiments, considering CPML and reference solutions.

Numerical experiment	Double-C	Single-C	Double-E	Single-E
Free space (20 GHz)
+Optimised	04 m, 27 s	01 m, 58 s	23 m, 11 s	10 m, 31 s
Nonoptimised	04 m, 41 s	02 m, 16 s	25 m, 14 s	12 m, 11 s
Parabolic plate (20 GHz)
+Optimised	10 m, 27 s	04 m, 34 s	04 h, 0 m, 29 s	01 h, 45 m, 05 s
Nonoptimised	10 m, 54 s	04 m, 36 s	04 h, 0 m, 29 s	01 h, 41 m, 29 s
Waveguide (100 THz)
+Optimised	28 s	10 s	12 m, 24 s	04 m, 26 s
Nonoptimised	29 s	11 s	14 m, 35 s	05 m, 32 s