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Resizable bar?

With the upcoming/released intel gpu-s there's been talk about enabling resizable bar on motherboards. I'm just curious to ask, if Blender benefits at all of it? And if not, then why not?

I mean the whole concept of resizable bar and AMD SAM, sound like perfect for 3D cgi software.

Or is there a reason why it's all a bad idea?

3090 and 1950x with 64gb on ram, no real world benefit? image_2022-08-08_105908784.png

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Development Status: Open

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kasparkuldkepp
8 Aug 2022

1 Comment

jeroenbakker

Not really a feature request.

If your system has Resizable BAR enabled (BIOS + GPU driver) Blender would use it. Many motherboard vendors disable relative new features for main stream motherboards, just in case your configuration isn't supported or has issues. Eventually those features can become mainstream when it is used more often and proven stable.

Note that no information is available on possible benefits as it can be scene dependent and is hard to test. I can imagine when Eevee requires to swap out memory in huge scenes it could be measurable. Not sure, even than, if it will be noticeable as Blender is mostly CPU bound.