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Speed of update geometry in viewport down when nodes/modifiers have boolean with empty collection #88284

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opened 2021-05-14 14:51:09 +02:00 by Sergey Herr · 7 comments
Sergey Herr commented 2021-05-14 14:51:09 +02:00
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System Information
Operating system: Windows-10-10.0.19041-SP0 64 Bits
Graphics card: GeForce GTX 1060 6GB/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 461.40

Blender Version
Broken: version: 3.0.0 Alpha, branch: master, commit date: 2021-05-14 01:08, hash: bd76184966

I'm trying to create an addon similar in functionality to mop-boolean modo, where there is a ready-made modifier tree and you only need to transfer objects to the desired collection.
If there is an empty collection in nodes/modifiers, the whole process starts to slow down(until u add objects to collections).

  1. Open file.
  2. Try move Cube.006 in D1 collection.
  3. Delete Cube.013 , Cube.014 , Cube.015 from U2 , D2 , U3 collections.
  4. Try move Cube.006 again.

If I do this I see how speed dropped by 2 or more times:
Slow_Boolean.gif
Slow_Boolean.blend

**System Information** Operating system: Windows-10-10.0.19041-SP0 64 Bits Graphics card: GeForce GTX 1060 6GB/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 461.40 **Blender Version** Broken: version: 3.0.0 Alpha, branch: master, commit date: 2021-05-14 01:08, hash: `bd76184966` I'm trying to create an addon similar in functionality to mop-boolean modo, where there is a ready-made modifier tree and you only need to transfer objects to the desired collection. If there is an empty collection in nodes/modifiers, the whole process starts to slow down(until u add objects to collections). 1. Open file. 2. Try move Cube.006 in [D1](https://archive.blender.org/developer/D1) collection. 3. Delete Cube.013 , Cube.014 , Cube.015 from U2 , [D2](https://archive.blender.org/developer/D2) , U3 collections. 4. Try move Cube.006 again. If I do this I see how speed dropped by 2 or more times: ![Slow_Boolean.gif](https://archive.blender.org/developer/F10101594/Slow_Boolean.gif) [Slow_Boolean.blend](https://archive.blender.org/developer/F10101610/Slow_Boolean.blend)
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Sergey Herr commented 2021-05-14 14:51:09 +02:00
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Added subscriber: @SergeyHerr

Added subscriber: @SergeyHerr
Richard Antalik commented 2021-05-15 00:06:07 +02:00
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Added subscriber: @iss

Added subscriber: @iss
Richard Antalik commented 2021-05-15 00:06:07 +02:00
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Changed status from 'Needs Triage' to: 'Confirmed'

Changed status from 'Needs Triage' to: 'Confirmed'
Richard Antalik commented 2021-05-15 00:06:07 +02:00
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I can confirm this, but I have failed determine what the actual cause of slowdown is, so this may not be a bug.

I can confirm this, but I have failed determine what the actual cause of slowdown is, so this may not be a bug.
Jacques Lucke commented 2021-05-21 10:14:45 +02:00
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Added subscriber: @JacquesLucke

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Jacques Lucke commented 2021-05-21 10:14:45 +02:00
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Looked into this briefly. Maybe this can be solved by just using some early returns in the boolean node when it does not have to do anything.

Looked into this briefly. Maybe this can be solved by just using some early returns in the boolean node when it does not have to do anything.
Jacques Lucke commented 2021-11-19 11:22:36 +01:00
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Not a bug per se, more a performance issue that should be looked at in more detail at some point.

Not a bug per se, more a performance issue that should be looked at in more detail at some point.
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