RFR: 8368071: Compilation throughput regressed 2X-8X after JDK-8355003

Fri Sep 19 16:32:40 UTC 2025

On Fri, 19 Sep 2025 07:52:16 GMT, Man Cao <manc at openjdk.org> wrote:

> Hi all,
> 
> Could anyone review this change that fixes a severe startup performance regression for `-XX:+TieredCompilation`?  See https://bugs.openjdk.org/browse/JDK-8368071 for more details.
> 
> -Man

Good catch! I need to refactor some of it in the future but for now it's a good conservative fix. Let me run some internal testing on it first and I'll get back to you.

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PR Comment: https://git.openjdk.org/jdk/pull/27383#issuecomment-3312866388