I am working in Substance Designer 3D 13.1.0 on my Macbook Pro m1 Max and I noticed very slow perfomance of NEON engine on some nodes, such as Shape Extrude, Voronoi and others.
OpenGL works more fast now, but potential of NEON is huge I hope that it will be fix over time
There are indeed slow performances whith the mentioned nodes and CPUs. To be fair, there's a note on this regard in the tooltips of most of those nodes.
NEON being a CPU engine, there will indeed be slow performances when using GPU meant nodes.
Regards,
Cyril Dellenbach (Micro) | QA Support Artist | Adobe