Cycles GPU Out of memory in viewport Metal Backend #109805
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Reference: blender/blender#109805
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System Information
Operating system: macOS-13.4.1-x86_64-i386-64bit 64 Bits
Graphics card: Metal API AMD Radeon Pro 560X 1.2
Additional Hardware : eGPU Razer Core X with AMD Radeon 5700 XT
Blender Version
Broken: version: 3.6.0, branch: blender-v3.6-release, commit date: 2023-06-27 08:08, hash:
c7fc78b81ecb
Worked: version 3.3.8
Short description of error
GPU Out of Memory in cycles with a simple scene one object and one Sun Light
Exact steps for others to reproduce the error
Load Scene
Switch to render mode
Navigate in the scene in rendered mode changing the view, after some pan and zoom the error gpu memory error is showed and blender crash.
Same scene in blender 3.3.8 is working fine.
Blender 3.6.0 is using 11.55 GB of Memory
Blender 3.3.8 is using 566 MB of Memory with the same scene in rendered mode.
Hi, thanks for the report. Do you run out of memory during final render (cmd f12)?
If problem is specific to viewport render, check the existence of issue with OpenGL/Metal viewport backend: https://code.blender.org/2023/01/introducing-the-blender-metal-viewport/
Hi, running out of memory is only in the view port with Metal viewport backend and more than one GPU Selected, enabling OpenGL in version 3.6.0 it works as expected with more than 1 GPU.
More testing with Metal viewport Backend with only one GPU Selected blender did not run out of memory in the viewport.
Cycles GPU Out of memory in a very simple sceneto Cycles GPU Out of memory in viewport Metal Backend@Michael-Jones Can you check?
@p1x3l hi, still encountering in 4.1 build with macos 14.x?: https://builder.blender.org/download/daily/
No activity for more than a week. As per the tracker policy we assume the issue is gone and can be closed.
Thanks again for the report. If the problem persists please open a new report with the required information.