- In the Render Settings, set the log verbosity
- Click Arnold > Open Arnold RenderView, and then open the Arnold Render Logs
- In the Arnold Render Logs window, click IPR Log Frequency > Full
We want the full log, because that includes everything that happens before progressive refinement (that’s the AA -3, -2, -1, 1, 3) renders.
MtoA: Getting an Info-level Arnold log