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Windows 11 vs Linux supported HW
(lemmy.ml)
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this post was submitted on 16 Aug 2023
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The problem is that only half of the chiplets have access to the large cache. If the scheduler isn’t aware of that and a lot of data is shared across cores (as in the case for many games), you’ll miss out on most of that performance. AMD wrote a driver for Windows to help optimally schedule threads with high cache intensity to the expanded cache chiplets, but they didn’t do it for Linux. If your workload is not very chatty between cores, and threads don’t need to synchronize at 60Hz, it won’t matter as much. But for game workloads, it makes a big difference, and can actually result in worse performance than the homogenous chiplet design of the mid-tier 7800X3D if you get it wrong.