Spin Loop Hint support: Draft JEP proposal (original) (raw)

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.

Thanks, Andrew.

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