Spline-Interpolation-Based FFT Approach to Fast Simulation of Multivariate Stochastic Processes

Table 2

Comparison of time expense among different simulation schemes (noted that the data come from [46]).

Different schemes	Time expense (sec)
	10 location points	20 location points
SFFT	8.35	29.84
CL-FFT	12.76	47.80
SL-FFT	10.80	40.36
NN-FFT	20.24	74.98
FFT	43.03	301.55