RFR: 8318986: Improve GenericWaitBarrier performance [v5]

[Aleksey Shipilev]

On Mon, 13 Nov 2023 17:08:08 GMT, Claes Redestad <redestad at openjdk.org> wrote:

> Ok, I'll submit some runs.

Thanks! Note that in current patch Linux implementation is switched for generic one to simplify functional testing. I expect Linux benchmarks to regress, as it is probably hard to win against futex implementation. For the actual change, we are interested in what Windows and MacOS benchmarks would show.

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PR Comment: https://git.openjdk.org/jdk/pull/16404#issuecomment-1808827404