Arm engineer Christian Loehle sent out a patch series today proposing that the Linux scheduler code randomize its picking of equally shallow idle CPU cores. This randomization is showing to deliver a win at least for high CPU core counts for better distributing workloads.
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How could I get started learning about Linux? My level is roughly -5 a total beginner.
https://linuxhandbook.com/
https://itsfoss.com/free-linux-training-courses/
https://linuxnewbieguide.org/ulngebook2017/
https://www.coursera.org/learn/linux-fundamentals