I did a range of tests focused at least in part on optimizing the tile size based on the image being rendered. I did fewer CPU tests, as it seemed that the GPU was looking to be better pretty much across the board. Makes the temptation to upgrade the graphics card a stronger one, I’ll admit:
CPU: AMD FX™-8350 Eight-Core Processor 4.00 GHz
Installed Memory: 24.0 GB
GPU: XFX Double D Radeon R9 270X
GPU Memory: 2.0 GB
3:33.76 128x128 GPU
2:06.25 256x256 GPU
1:51.0 480x270 GPU
1:50.79 480x540 GPU
1:50.08 960x540 GPU
2:20.89 240x135 GPU
9:55.04 240x270 CPU
8:39.26 128x128 CPU
me too