Sounds like the author hasn't yet understood one level below. CPUs lock cachelines with MESI, and forcing a cacheline exclusive to you every 10ms will obviously

Sounds like the author hasn't yet understood one level below. CPUs lock cachelines with MESI, and forcing a cacheline exclusive to you every 10ms will obviously hurt performance. https://en.wikipedia.org/wiki/MESI_protocol https://en.wikipedia.org/wiki/MESI_protocol