Table 2: Processing times for random permutation tests with the GLM for the different implementations.

Number of permutations with GLMC OpenMP CUDA, 1 × GTX 480 CUDA, 3 × GTX 480

1000 25 min 3.5 min 25.2 s 8.4 s
5 000 2 h 5 min 17.5 min 1 min 42 s 33.9 s
10 000 4 h 10 min 35 min 3 min 18 s 65.8 s
50 000 20 h 50 min 2 h 55 min 16 min 30 s 5 min 30 s
100 000 1 day 17 h 40 min 5 h 50 min 33 min 11 min