The render times are different with different positions of the cubes. This puzzles me.
I checked the console log for differences. One big difference is the time Visibility Map of light source takes to be done.
Please have a look at the times a render step is done.
Code: Select all
Cloud Gauss spread Gauss tight tight-spread [s] tight-cloud [s]
00 00:00:00.00 00 00:00:00.00 00 00:00:00.00 0.0 0 Engine/Final Rendering layer "RenderLayer"
00 00:00:01.14 00 00:00:01.12 00 00:00:01.68 0.6 1 LuxCore Building visibility map of light source: __WORLD_BACKGROUND_LIGHT__
00 00:00:01.71 00 00:00:11.32 00 00:00:34.18 22.9 32 LuxCore Visibility map done in n secs with 1000000 samples (0.03M samples/sec)
00 00:00:05.54 00 00:00:27.89 00 00:00:40.82 13.0 35 LuxCore Noise estimation: first pass
00 00:00:31.32 00 00:03:45.98 00 00:03:17.06 -28.8 165 LuxCore Samples per pixel 100%, rendering done.
00 00:00:34.76 00 00:03:51.46 00 00:03:20.51 -30.9 166 Engine/Final Finished rendering layer "RenderLayer"