Building lighting is slow
After migrating a project from version 4.19 to 4.20, build lighting has become really slow. To be more specific, with version 4.19 lighting calculation went from 0% to 1% after a minute or so, but after moving to version 4.20, the same scene takes 15 minutes or more to go from 0% to 1%. Speed seems to be ok that, i.e. moving from 1% - 100% seems to take the same time in both versions but I've only checked the times on a preview quality level. Upgrading the whole project to 4.20, or just migrating the level I'm working on from 4.19 to a new empty 4.20 project, has the same result. I haven't tried building everything back from scratch to check the results,as it would be too time consuming. Does anyone have any suggestions please?
asked Nov 06 '18 at 10:41 AM in Rendering
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