Why does Grasshopper on R8 takes a lot more time to open a script compare to opening the same script on R7? I am getting something like 1 minute vs 8 seconds! Metahopper said certain cluster and python script are the issue but first they have no internalized input data so they should not compute and…

Grasshopper on R8 is much slower than R7

user1986 August 26, 2025, 3:44am 2

Okay so it was not just this script and it wasn’t about the number of components.

The attached script has 1 cluster which contains < 100 components inside.

On R8 it takes over 3s to to open. On R7 it is 0.3s

Major lagging in Rhino caused by clusters in disabled Grasshopper script

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