"Measure Panel" Addon interfering with Cycles animation rendering #42940
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opened 8 years ago by JayBanchero
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Reference: blender/blender-addons#42940
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System Information
I7-4770K 3.5GHz, 16G RAM, Windows8.1 x64, GTX760 (2x non SLI).
I7-920 2.67GHz, 12G RAM, Windows7 Pro, GTX460
Blender Version
Broken:2.72 Gooseberry 2014-12-02 e7d0c58. Reproduced it with the 2.72b release
Worked: (optional)
Short description of error
Exact steps for others to reproduce the error
Start Blender with "Measure Panel" Addon activated
Open attached scene (scratch.blend)
Render animation
*result; Cycles renderer slows waaaayy down after frame 5 (from ~3s per frame to over 45s per frame).*To verify:
De-activate "Measure Panel" Addon
Restart Blender
Open attached scene (scratch.blend)
Render animation
//result: no Cycles slowdown after frame 5
Changed status to: 'Open'
Added subscriber: @JayBanchero
Added subscriber: @Sergey
There's in no attached scratch.blend file tho.
I've noticed quite heavy calculations in the scene update handler which is registered by this addon. IMO, that would be totally valid to skip those calculations when doing rendering.
Added subscriber: @JulianEisel
@JulianEisel, even tho the file is missing it is possible to solve loads of slowdown using the suggestion above. It'll likely solve issue with that particular file.
Hmm... sorry about that - I thought I dragged the file into the comment window as instructed. I did notice the problem did not happen with just the default cube though. My test file is from Lynda.com physics tutorial, fwiw.
...I'm seeing a progress window :) scratch.blend
hi,
There are a few fixes to apply to this addon.
Register/Unregister, lack of on/off button in ui & the render issue described above.
I will have a look at these very soon.
This could also be an issue for all bgl addons as I found similar cpu eat issue with another yesterday.
So there is also the option of adding warning to turn off during rendering or auto-disable if render is
If I'm unable to fix the addon, there will be no choice but to remove it from Release.
Changed status from 'Open' to: 'Resolved'
hi, this addon is badly broken & has been for a considerable time.
Removing from Release & demoting to contrib until closer to next release.
At which time if it is still not fixed, it will be removed from contrib addons also.
Closing this report.