GH2 Lag Issue

Hi,

Does anyone know why my GH2 is laggy? The changes seem to fall behind Rhino’s viewport. I have compared it with other GH2 videos on YouTube and think they do not have this issue. The following video shows it:

Thank you.

HI forp, please run SystemInfo in your Rhino command line and post the results. Thanks!

Windows 11 (10.0.26200 SR0.0) or greater (Physical RAM: 16GB)
.NET 10.0.10

Computer platform: LAPTOP  - Plugged in [80% battery remaining]

Hybrid graphics configuration using DirectX
  Primary display: NVIDIA GeForce RTX 2060 (NVidia) Memory: 6GB, Driver date: 7-22-2026 (M-D-Y).
    > Integrated accelerated graphics device with 4 adapter port(s)
        - Laptop's primary display device

Secondary graphics devices.
  Intel(R) UHD Graphics 630 (Intel) Memory: 1GB, Driver date: 5-28-2019 (M-D-Y).
    > Integrated graphics device with 3 adapter port(s)
        - Windows Main Display is laptop's integrated screen or built-in port

DirectX Settings
  Safe mode: Off

OpenBLAS: OpenBLAS 0.3.30 DYNAMIC_ARCH NO_AFFINITY Haswell MAX_THREADS=64.

Hi forp -
Please post the complete output from the SystemInfo command.
-wim

Hello. I have the same issue. This is my SystemInfo:

Rhino 9 SR0 2026-9-1 (Rhino 9 BETA, 9.0.26244.12303, Git hash:master @ 5007fbd7b46c04cee8e766232af7a8896598fb4e)
License type: Commercial, build 2026-09-01
License details: Stand-Alone
Expires on: 2026-10-16

Windows 11 (10.0.26200 SR0.0) or greater (Physical RAM: 24GB)
.NET 10.0.11

Computer platform: LAPTOP  - Plugged in [56% battery remaining]

Hybrid graphics configuration using DirectX
  Primary display: NVIDIA GeForce RTX 3050 (NVidia) Memory: 6GB, Driver date: 8-20-2026 (M-D-Y).
    > Integrated accelerated graphics device with 4 adapter port(s)
        - Laptop's primary display device

Secondary graphics devices.
  Intel(R) UHD Graphics 630 (Intel) Memory: 1GB, Driver date: 5-28-2019 (M-D-Y).
    > Integrated graphics device with 3 adapter port(s)
        - Windows Main Display is laptop's integrated screen or built-in port

DirectX Settings
  Safe mode: Off

OpenBLAS: OpenBLAS 0.3.30 DYNAMIC_ARCH NO_AFFINITY Haswell MAX_THREADS=64.

Rhino plugins that do not ship with Rhino

Rhino plugins that ship with Rhino
  C:\Program Files\Rhino 9 WIP\Plug-ins\Commands.rhp	"Commands"	9.0.26244.12303
  C:\Program Files\Rhino 9 WIP\Plug-ins\rdk.rhp	"Renderer Development Kit"	
  C:\Program Files\Rhino 9 WIP\Plug-ins\3dxRhino.9.rhp	"3DxRhino.9"	
  C:\Program Files\Rhino 9 WIP\Plug-ins\UpdatesAndStatistics\UpdatesAndStatistics.rhp	"UpdatesAndStatistics"	9.0.26244.12303
  C:\Program Files\Rhino 9 WIP\Plug-ins\RhinoRenderCycles.rhp	"Rhino Render"	9.0.26244.12303
  C:\Program Files\Rhino 9 WIP\Plug-ins\rdk_etoui.rhp	"RDK_EtoUI"	9.0.26244.12303
  C:\Program Files\Rhino 9 WIP\Plug-ins\NamedSnapshots.rhp	"Snapshots"	
  C:\Program Files\Rhino 9 WIP\Plug-ins\MeshCommands.rhp	"MeshCommands"	9.0.26244.12303
  C:\Program Files\Rhino 9 WIP\Plug-ins\Grasshopper2\net48\Grasshopper2Plugin.rhp	"Grasshopper2"	9.0.26244.12303
  C:\Program Files\Rhino 9 WIP\Plug-ins\RhinoCycles.rhp	"RhinoCycles"	9.0.26244.12303
  C:\Program Files\Rhino 9 WIP\Plug-ins\Displacement.rhp	"Displacement"	
  C:\Program Files\Rhino 9 WIP\Plug-ins\SectionTools.rhp	"SectionTools"	

Hi Bauz -

Thanks for that!
I’ve added this thread to the open ticket:
RH-97715 Grasshopper 2 canvas lags behind the Rhino viewport
-wim