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Is there any reason to set values as powers of 2? (lemmy.blahaj.zone)

submitted 5 months ago by FemboyNB@lemmy.blahaj.zone to c/blender@lemmy.world

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For instance, when setting render samples, noise threshold, or domain resolution I set it at 128, 256, etc. I've just done it this way ever since I learned Blender, but does this acutally do anything?

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[–] ignotum@lemmy.world 6 points 5 months ago

There are many optimizations that can be done when working with numbers that are a power of two
that being said, i have no idea if any such optimizations are done or even applicable here 🤷‍♂️

[–] javasux@lemmy.world 3 points 5 months ago

You should always experiment to see if it does, it can have large impacts on things like cache coherency but it always depends hugely on your particular scene