AFAIK it acts as some kind of execution barrier, to give meaningful timing. | alt Hacker News

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inigyou • yesterday at 7:52 PM • 1 reply • view on HN

AFAIK it acts as some kind of execution barrier, to give meaningful timing.

Replies

rrampage • yesterday at 7:56 PM

Isn't that rdtscp ( https://www.felixcloutier.com/x86/rdtscp )?