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• Option “osl” “int verbose” [0-5] – Controls the verbosity of OSL message echoed by RenderMan. 0 is off, and 1-5 each add one more class of OSL messages to what is printed. Those classes are 1 – SEVERE, 2 – ERROR, 3 – MESSAGE, 4 – WARNING and 5 – INFO.

• Option “osl” “int osl: statisticslevel” - This controls the level of statistics tracked by RenderMan for the integration of the OSL shading system as a whole.

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