Core counts keep rising, and that means that the Linux kernel continues to encounter interesting performance and scalability issues. Which is not a bad thing, since it has been well over ten years since the “free lunch” of exponential CPU-clock frequency increases came to an abrupt end. This microconference will therefore look at futex scaling, address-space scaling, improvements to queued spinlocks, additional lockless algorithms, userspace per-CPU critical sections, and much else besides.
For more information on this topic, please see the wiki page.
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