Research Article
A Computational Realization of a Semi-Lagrangian Method for Solving the Advection Equation
Table 1
Speedup of OpenMP-code (HyperThreading is switched Off/On).
| Number of threads | Number of points in one space dimension (number of the time steps) | (400) | (800) | (1600) | (3200) | (6400) |
| 1 | 0.94/1.00 | 0.99/1.00 | 0.99/1.00 | 0.99/1.00 | 0.99/1.00 | 4 | 3.86/3.89 | 3.90/3.93 | 3.92/3.93 | 3.93/3.95 | 3.93/3.96 | 8 | 7.40/7.35 | 7.48/7.37 | 7.53/7.57 | 7.55/7.59 | 7.56/7.60 | 12 | 10.86/10.86 | 11.08/11.04 | 11.17/11.12 | 11.21/11.14 | 11.20/10.86 | 16 | 4.15/8.76 | 4.77/8.94 | 6.32/8.96 | 7.54/8.98 | 7.60/8.88 | 20 | 4.69/10.63 | 5.82/10.85 | 6.55/10.94 | 7.26/10.96 | 7.89/10.73 | 24 | 5.71/10.98 | 6.17/12.80 | 7.30/12.55 | 7.97/12.83 | 8.45/12.85 |
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