CPU: Intel® Core™ i7-6700K CPU @ 4.00GHz
GPU: Nvidia GTX 980
OS: Windows 10 Home 64bit
Time GPU (CUDA):
512x512 01:07.92
1024x1024 01:15.14
256x256 01:16.30
64x64 01:45.89
Time CPU:
512x512 09:26.26
64x64 02:48.90
32x32 02:48.55
16x16 02:43.11