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What is it? Its very slow process. Irridiance is fast and common but prerender is always slow. Always wondered what it was.

geo_n wrote:What is it? Its very slow process. Irridiance is fast and common but prerender is always slow. Always wondered what it was.

This is the pass where Kray will compute Final gathering samples (like irradiance caching pass in vray). It can be slow when there are a lot of samples to compute. But this is where you can use shared GI file to help you speed up the process.