Slow Undo/Redo stack?

Am I the only one seeing major slow down on the undo/redo stack in R8? I’ve been a little late to the party in terms of using V8 for production work, so can’t say if it’s been like this for long. In both V8.4 and V8.5 I’m experiencing super slow undo/redo. Undoing even simple operations sometimes leaves Rhino unresponsive for several seconds.
-Jakob

SystemInfo

Rhino 8 SR5 2024-2-16 (Rhino 8, 8.5.24047.13001, Git hash:master @ 87905d1371b0ad4e8a0bde67d968d309ed579093)
License type: Evaluation, build 2024-02-16
License details: Cloud Zoo
Expires on: 2024-03-07

Windows 10 (10.0.19045 SR0.0) or greater (Physical RAM: 95GB)
.NET 7.0.0

Computer platform: DESKTOP

Standard graphics configuration.
Primary display and OpenGL: NVIDIA Quadro RTX 4000 (NVidia) Memory: 8GB, Driver date: 10-18-2023 (M-D-Y). OpenGL Ver: 4.6.0 NVIDIA 537.70
> Accelerated graphics device with 4 adapter port(s)
- Windows Main Display attached to adapter port 0
- Secondary monitor attached to adapter port 1

OpenGL Settings
Safe mode: Off
Use accelerated hardware modes: On
Redraw scene when viewports are exposed: On
Graphics level being used: OpenGL 4.6 (primary GPU’s maximum)

Anti-alias mode: 4x
Mip Map Filtering: Linear
Anisotropic Filtering Mode: High

Vendor Name: NVIDIA Corporation
Render version: 4.6
Shading Language: 4.60 NVIDIA
Driver Date: 10-18-2023
Driver Version: 31.0.15.3770
Maximum Texture size: 32768 x 32768
Z-Buffer depth: 24 bits
Maximum Viewport size: 32768 x 32768
Total Video Memory: 8 GB

Rhino plugins that do not ship with Rhino

Rhino plugins that ship with Rhino
C:\Program Files\Rhino 8\Plug-ins\Commands.rhp “Commands” 8.5.24047.13001
C:\Program Files\Rhino 8\Plug-ins\rdk.rhp “Renderer Development Kit”
C:\Program Files\Rhino 8\Plug-ins\RhinoRenderCycles.rhp “Rhino Render” 8.5.24047.13001
C:\Program Files\Rhino 8\Plug-ins\RhinoRender.rhp “Legacy Rhino Render”
C:\Program Files\Rhino 8\Plug-ins\rdk_etoui.rhp “RDK_EtoUI” 8.5.24047.13001
C:\Program Files\Rhino 8\Plug-ins\NamedSnapshots.rhp “Snapshots”
C:\Program Files\Rhino 8\Plug-ins\MeshCommands.rhp “MeshCommands” 8.5.24047.13001
C:\Program Files\Rhino 8\Plug-ins\IronPython\RhinoDLR_Python.rhp “IronPython” 8.5.24047.13001
C:\Program Files\Rhino 8\Plug-ins\RhinoCycles.rhp “RhinoCycles” 8.5.24047.13001
C:\Program Files\Rhino 8\Plug-ins\MeshTools.rhp “MeshTools”
C:\Program Files\Rhino 8\Plug-ins\Grasshopper\GrasshopperPlugin.rhp “Grasshopper” 8.5.24047.13001
C:\Program Files\Rhino 8\Plug-ins\RhinoCode\RhinoCodePlugin.rhp “RhinoCodePlugin” 8.5.24047.13001
C:\Program Files\Rhino 8\Plug-ins\Toolbars\Toolbars.rhp “Toolbars” 8.5.24047.13001
C:\Program Files\Rhino 8\Plug-ins\Displacement.rhp “Displacement”
C:\Program Files\Rhino 8\Plug-ins\SectionTools.rhp “SectionTools”
C:\Users\jn\AppData\Roaming\McNeel\Rhinoceros\packages\8.0\PanelingTools\2021.3.2.446\PanelingTools.rhp “PanelingTools”

Is that with any file? I haven’t seen this myself. Is this with specific commands you are running? If you can share a file that shows this behavior with steps to reproduce, that would be helpful.

Hi @Gijs
I had another problem, and fixing that (updating a just 4 months old Nvidia driver) seems to have fixed the undo/redo issue also. There must have been something choking my entire graphics system in that driver :grimacing:
Thanks for chiming in, as always :slight_smile:
-Jakob

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