Liangxu Linux
Jun 13, 2023 · Fundamentals
How Linux Optimizes AMD Zen 2 CPUs with L3 Cache Enhancements and the select_idle_sibling Patch
Linux will continue supporting AMD Zen 2 processors and improve performance by optimizing L3 cache usage, while the new select_idle_sibling() patch expands idle‑thread selection beyond the local cache, addressing inefficiencies in the kernel’s load‑balancing on multi‑CCD systems.
AMD Zen 2Kernel SchedulingL3 cache
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