CPU: Intel® Core™ i7-3770K CPU @ 3.50GHz
GPU: Nvidia Geforce GTX 580
OS: Windows 7 Home 64bit
Time GPU (CUDA): 1080p 50%
120x120 - 2:15
256x256 - 1:49
512x512 - 1:46
1024x1024 - 1:55
Time CPU: 1080p 50%
16x16 - 3:44
32x32 - 4:32
64x64 - 4:42
256x256 - 4:37
512x512 - 12:26
