Linux distribution continues to support AMD Ryzen Zen 2 processors and optimizes L3 cache to improve performance

News on June 3, according to reports from foreign technology media NeoWin, Linux distributions do not plan to follow Windows 11. On the contrary, they will continue to be based on AMD Users of Ryzen Zen 2 processors are supported and performance is further improved through optimizations to the L3 cache (LLC).

The recently released select_idle_sibling() patch brings some improvements to the Linux kernel. The patch allows the operating system to assign tasks to processor threads marked as "idle" and is not limited to identifying idle threads in the local L3 cache. This change in AMD This is especially important on Zen 2 devices, as cores will often become idle while processing a specific LLC's work queue.

According to the editor’s understanding, the previous problem was that the select_idle_sibling() function did not consider other factors other than the local LLC, and because the task was completed in a short time, the routine The load balancing method does not work. Therefore, for those cases where the local node is idle, the improved function will try other LLCs within the same node to better utilize resources.

For Zen 2 architecture, Red Hat developer Tejun Heo said this optimization is crucial to improving performance. Although it is beneficial to keep a cache of work local, long periods of inactivity can result in wasted resources. By letting select_idle_sibling() try other LLCs within the same node, you can make more efficient use of the processor's processing power.

In general, Linux distributions will continue to support AMD based on the Zen 2 architecture Ryzen processors and improve performance through improved utilization of L3 cache. This optimization will allow the operating system to better distribute tasks and reduce core idle time, providing a better user experience.

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