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A First Look at Adaptive Sampling in Blender


Jamesy writes:

Since Blender 2.83 was first made available (and now 2.90), Stefan Werner's adaptive sampling in the cycles engine in Blender has been available to try. Its a pretty cool idea for bringing render times down without sacrificing quality. Though I am no expert in the details, the basic idea is to try to limit using lots of samples to areas of your scene that need them, and use less in areas where you can get away with it.

This video was a first attempt at seeing how well adaptive sampling affects render times and how far we can reduce overall render times using it together with a render farm of two PCs. Enjoy!

About Author


I'm a software engineer, I've worked on numerous technologies over the past 10 years. I started out working on full motion flight simulators and then worked with embedded systems. I now work on building an add-on to support rendering using multiple computers over internet/local networks. I started using blender in 2009 and have done small projects with it since then, however, crowd render, our network rendering add-on is by far the biggest adventure with Blender to date.


  1. I wonder if it would be possible to replicate the tiling Blender, and then piece the tiles together when complete, sending individual tiles to each machine.

    Like adaptive sampling, I wonder if there's benefit to be had for adaptive tile sizing.

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