Curvepiping display speed

Why is testmaxspeed with 2600 curves with curvepiping (4 segments, flat caps) very slow, while extracting the curve pipe meshes, turning off curvepiping and running testmaxspeed is fast?
The speed difference is 40.2 fps vs 6.3 fps

We probably just didn’t get around to optimizing that area of the display. There are plenty of places where we can continue to improve performance.

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OK, thanks!

This is OT, but while you’re at it:
I think extractrendermesh should include extractpipedcurve, as the curvepiping is also a rendermesh.