haavard_kd
  • Joined on 2024-06-04
haavard_kd opened issue blender/blender#123249 2024-06-14 20:31:36 +02:00
Cycles: Camera Clip Start adds to the Depth of Field Distance in Orthographic mode
haavard_kd commented on issue blender/blender#122739 2024-06-05 15:45:58 +02:00
Material mix node input cause unnecessary evaluation when input mixing factor is int/bool

That is strange, I'm getting a very noticeable change in render speed. The difference is even larger with CPU. With 64 samples (1920x1080) using CPU I get a render speed of 2min 14sec with…

haavard_kd commented on issue blender/blender#122739 2024-06-05 14:52:48 +02:00
Material mix node input cause unnecessary evaluation when input mixing factor is int/bool

The performance issue was about .5 seconds in the previous upload, here is a new .blend file where I've exaggerated the issue with a more complex node network as the A input in the mix node.

On…

haavard_kd reopened issue blender/blender#122739 2024-06-05 11:20:36 +02:00
Material mix node input cause unnecessary evaluation when input mixing factor is int/bool
haavard_kd commented on issue blender/blender#122739 2024-06-05 11:20:32 +02:00
Material mix node input cause unnecessary evaluation when input mixing factor is int/bool

This seems largely related to how GPU runs the shader. Blender doesn't seem to build the evaluation graph differently based on these values.

I tested both Cycles CPU and GPU and both will…

haavard_kd opened issue blender/blender#122739 2024-06-04 20:43:36 +02:00
Material mix node input evaluation