re (2) for execution code, its actually the opposite. Typically the execution ho... | Hacker News

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		boshalfoshal on July 12, 2023 \| parent \| context \| favorite \| on: Ask HN: I am interested in reading about technique... re (2) for execution code, its actually the opposite. Typically the execution hotpath is done on a single core and some places go as far as disabling hyperthreading to eke out as much single core performance as possible.

blibble on July 12, 2023 [–]

yes, no points of contention at all

userspace networking with one thread busy polling, all power state management + ht disabled with receive packet steering

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