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Linux Cache-Aware Scheduling / Load Balancing Updated With New Tuning Knob
Intel engineer Chen Yu posted a fresh round of Linux kernel patches working on cache-aware scheduling/load-balancing for this functionality being sought after both by Intel and AMD
Chen Yu explained with the new v4 patch series:"The main change in v4 is to address the performance regressions reported in v3, which are caused by over-aggregation of tasks in a single LLC, but they don't actually share data. The approach involves tracking a process's resident pages and comparing this to the LLC cache size." So for folks who want to make cache aware scheduling to be aggressive and they know their process threads share lots of data, they could set it to 100.
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