Why is it technically not possible with a "gpu renderer"? Whats the technichal background?

The "Dirt Texture" has a almost good "Edge recognition" but the shading does not look round.
Is it possible to edit the edge shading like the "Dirt Texture"?

yes. I have rayepsilon adjusted. Unfortunately no good result.

Magolves

Hello,
i know this topic isn't new but I have to respond again.

Is it possible to optimize the "octane edge rounding"? I get often complex files that haven't rounded edges.
To correct the edges from the mesh with a bevel tool takes a long time. A shading solution is more convenient.

The result of ...