The MacBook chassis is the heatsink. Lifting the back by 1 inch improves airflow by 40%. Avoid "lap" rendering.
: V-Ray is natively available for popular Mac platforms like SketchUp , Cinema 4D , Maya , and Houdini . vray for mac os
The most significant leap for V-Ray on Mac came with the transition away from Intel chips. The native version of V-Ray for offers a dramatic performance uplift. The MacBook chassis is the heatsink