V-Ray rendering too slow? How to speed up V-Ray rendering? Setups for making test render in V-Ray? Vray DMC Sampler? What is Noise threshold in V-ray?
These are the questions you may have looked for. Check out RenderStuff's explanation on the V-Ray DMC Sampler setups subject. Learn how to easily control the rendering speed and quality using from one to four parameters. Get closer with Vray's adoptibility and its principle of sampling economy. Know the effects influenced by the global subdivs multiplier. And more other useful things related to the Settings tab in 3ds Max Render Scene window.
Read: Speed up Vray rendering tutorial