rendering expecting time is negative #50517
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Reference: blender/blender#50517
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System Information
Ubuntu 14.04 (amd64)
Nvidia GT240
Blender Version
Broken: (example: 2.78.4
520afa2962from 2017-01-24 08:15)rendering time for complex scene with glass material and big number of samples (1800) cause negative remaining time
progress bar of render stays zero all time of rendering
deep_glass.blend
deep_glass.blend
Changed status to: 'Open'
Added subscriber: @mpracz
rendering time is negativeto rendering expecting time is negativeAdded subscriber: @fablefox
This I can confirm. Win 7, latest
e5d8c2abuild.I get 2 hours for the 2.78a, but negatives for latest build.
Added subscriber: @Ace_Dragon
The time remaining feature now is also always broken when progressive refine is turned on.
Either the value is a negative number or the progress bar ticks up to 100 percent when only a small fraction of the total samples have been calculated.
You don't even need to request a .blend file, just do a progressive refine render with a large amount of samples for the default cube. I believe this was broken when Lukas Stockner did a refactor in a bid to improve its accuracy for tiled rendering (but I would rather have it slightly inaccurate than broken).
Added subscriber: @TheOnlyJoey
Can confirm, will assign to Sergey.
This issue was referenced by blender/cycles@ea15890cfc
This issue was referenced by
8ea09252c8Changed status from 'Open' to: 'Resolved'