The default grain size of 10000 for multi function execution was much too large for the fairly expensive BVH traversal. In the file from #143455, reducing te grain size to 512 increase the playback FPS from 8 to 20.
The default grain size of 10000 for multi function execution was much too large for the fairly expensive BVH traversal. In the file from #143455, reducing te grain size to 512 increase the playback FPS from 8 to 20.