Amd Radeon 580 RX very slow. Config problem or compatibility?

[wim (Wim Dekeyser)]

Hi - I see that the RX 580 is also discussed in the following thread where @jeff and @nathanletwory seem to have more experience with older drivers:

Raytraced display mode crashes rhino with second GPU

I have two graphics cards, a RX580 for display and a Vega64 which was supposed to be just for rendering. Both cards were working with cycles in the beginning, though they were both called “Vega 64” in the rhino settings as render device. Some time ago cycles aka raytraced viewport stopped working. It says “rendering” but the viewport stays in normal rendered mode, not cycles (doesn’t matter which of the GPUs I set as render device). After I had installed newer drivers like a month ago, the card…

Before they chime in with better ideas, please let us know which version of Rhino 6 you are currently running.