Spin Loop Hint support: Draft JEP proposal

Andrew Haley aph at redhat.com
Wed Oct 7 15:49:49 UTC 2015

On 10/07/2015 04:45 PM, Gil Tene wrote:
> In any case, even if it were user-mode-accessible, MWAIT may not appropriate for latency-sensitive spinning because it can apparently take 1000s of cycles to come out of the C-state modes it goes into.

Oh, yuck.  OK, forget it.


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