RFR: 8335480: Only deoptimize threads if needed when closing shared arena [v3]

[Jorn Vernee]

On Mon, 15 Jul 2024 13:09:21 GMT, Maurizio Cimadamore <mcimadamore at openjdk.org> wrote:

> > Even with `arrayElementVarHandle` it's about the same
> 
> This is very odd, and I don't have a good explanation as to why that is the case. What does the baseline (confined arena) look like for `arrayElementVarHandle` ?

Pretty much exactly the same

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PR Comment: https://git.openjdk.org/jdk/pull/20158#issuecomment-2228555214