[aarch64-port-dev ] RFR: 8186671: Use `yield` instruction in SpinPause on linux-aarch64
Andrew Haley
aph at redhat.com
Thu Aug 24 19:21:17 UTC 2017
On 24/08/17 20:16, Ivan Krylov wrote:
> I recall the discussion about the difference between x86 pause and ARM
> Yield back when we did the original hotspot patch code review and we
> never reached a conclusion back than.
> Looking at the charts that Dmitry provided it seems that the proposed
> ARM implementation reaches the same goal.
How do you know what goal it reaches? It's not been tried on a core that
implements YIELD.
--
Andrew Haley
Java Platform Lead Engineer
Red Hat UK Ltd. <https://www.redhat.com>
EAC8 43EB D3EF DB98 CC77 2FAD A5CD 6035 332F A671
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