C4D Character object + Live Viewer huge performance issue
Posted: Fri Dec 05, 2025 8:05 pm
When a C4D Character object [with Mixamo Control Rig elements] in the scene, Octane freezes for a long time creating meshes, which is strange since the character rig doesn't have any renderable geometry.
A. Windows 11
B. RTX4090
C. 128GB
D. 581.57
E. 2024.11
F. 2026.1
G. 2025.3.3 + 2026.1
H. To reproduce the bug, in an empty project:
-Add a Character Rig
-Add a pelvis and an arm
-Open the Live Viewer
I.
Can't read float from static pin 'neuralRadianceCache' (P_NEURAL_RADIANCE_CACHE, type PT_BOOL) of node 'Direct lighting kernel' (NT_KERN_DIRECTLIGHTING, 0000022C3CFABF90)
Multi-threaded material conversion, thread count=62
Export materials time= 3.626 ms
Collect objects time= 10256.648 ms
Mesh creation time = 20237.202 ms.
Api update time: 2.35 ms.
VRAM used/free/max:1.561Gb/18.094Gb/23.988Gb Out-of-core used:0Kb RAM used:34.285Gb total:127.847Gb OpenGL free/total:0/0
disableAllDevices
A. Windows 11
B. RTX4090
C. 128GB
D. 581.57
E. 2024.11
F. 2026.1
G. 2025.3.3 + 2026.1
H. To reproduce the bug, in an empty project:
-Add a Character Rig
-Add a pelvis and an arm
-Open the Live Viewer
I.
Can't read float from static pin 'neuralRadianceCache' (P_NEURAL_RADIANCE_CACHE, type PT_BOOL) of node 'Direct lighting kernel' (NT_KERN_DIRECTLIGHTING, 0000022C3CFABF90)
Multi-threaded material conversion, thread count=62
Export materials time= 3.626 ms
Collect objects time= 10256.648 ms
Mesh creation time = 20237.202 ms.
Api update time: 2.35 ms.
VRAM used/free/max:1.561Gb/18.094Gb/23.988Gb Out-of-core used:0Kb RAM used:34.285Gb total:127.847Gb OpenGL free/total:0/0
disableAllDevices