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I always wondered why my 3900X with 64 MB of cache performs so much worse than a 5700X3D with 96 MB of cache. It's only ⅓ more cache, after all.
Well, `lstopo` had the answer. The cache is split into 4 chunks (CCXs), so a single thread only really has 16 MB of cache available.
I actually managed to gain a few FPS through isolating a group of cores that share an L3 cache by manually setting CPU affinity.
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Krackan Point 2: AMD is apparently planning another Die for Ryzen AI 300
AMD could soon expand its Ryzen AI 300 CPU series with a Ryzen 5, for which a new low-end die is to be used for the first time.
Krackan Point 2: AMD plant offenbar weiteres Die für Ryzen AI 300
AMD könnte seine CPU-Baureihe Ryzen AI 300 in Kürze um einen Ryzen 5 erweitern, für den erstmals ein neues Low-End-Die zum Einsatz kommen soll.
This work-in-progress DIY fanless PC has a 7.5 liter chassis and some heavy-duty passive cooling. It's built to support a Framework Desktop mainboard with an AMD Ryzen AI Max 395+ chip and 64GB of unified memory. https://www.fanlesstech.com/2025/07/custom-75l-strix-halo-system.html #fanless #PC #FrameworkDesktop #StrixHalo #AMD
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