System Information
Operating system: Windows
Graphics card: GeForce GTX 960/PCIe/SSE2
Blender Version
Broken: 2.83 (sub 6), branch: master, commit date: 2020-03-06 10:05, hash: 7d9a5b7b10b4, type: Release
Worked: this is the first version with adaptive sampling
Short description of error
with the new adaptive sampling enabled the percentage of the rendering progress bar is most of the time to low
even when the rendering has nearly finished the render it shows just 20% for example
With this scene the render progress bar goes never to 100%. (At least on my machine.)
With this settings the progress bar goes never over 14%
Adaptive Min Samples: 1
Adaptive Threshold: 0.01
With this settings the progress bar goes never over 51%
Adaptive Min Samples: 0 (default)
Adaptive Threshold: 0.0 (default)
I found out this problem exists only on Cycles CPU rendering.
On Cycles GPU rendering with different settings for the adaptive sampling the progress bar is always right.
The render engine matters, there is no interface freezing mentioned in this report, and this is about the new adaptive sampling feature specifically.