win 10 pro
nVidia GTX 1050
Time: 03:52.53 min tiles 64 (GPU)
Time: 05:42.57 min tiles 64 (CPU)
Time: 03:03.29 min tiles 256 (GPU)
Time: more than 6 min tiles 256 (CPU)
Cpu Intel i7-4770k 3.5Gz
gpu NVidia 670
256 tile 2;20 mins
128 tile 2;45 mins
64 tile 7;20 mins
Cpu times
256 tiles 4;30 mins
128 tile 3;50 mins
64 tile 4;30