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Table 4 The computing time and speedup ratio of C–N scheme and PASE-I scheme

From: A class of intrinsic parallel difference methods for time-space fractional Black–Scholes equation

Time/(s) 100 300 500 700 900 1100
C–N scheme 0.5508 4.2394 6.6865 13.4169 23.5131 40.5403
PASE scheme 0.2245 1.5764 2.5042 4.9042 8.0990 11.7430
\(S_{p}\) 2.4538 2.6893 2.6697 2.7358 2.9032 3.4529