Even uncontended, the value has to be reconciled between cpus/caches. So it has ... | Hacker News

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		JoeAltmaier on June 1, 2012 \| parent \| context \| favorite \| on: Latency numbers every programmer should know Even uncontended, the value has to be reconciled between cpus/caches. So it has to be plumbed down thru all the caches, then back up.

scott_s on June 1, 2012 [–]

That's my point: uncontended values may not be in any other caches.

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