RFR: 8352075: Perf regression accessing fields [v3]

[Ioi Lam]

On Thu, 22 May 2025 08:18:31 GMT, Radim Vansa <rvansa at openjdk.org> wrote:

>> To validate that you have sorted the table correctly, you should add a debug-only validation function. This function should be called after `set_fieldinfo_search_table()`, and also in `InstanceKlass::restore_unshareable_info()` and `InstanceKlass::remove_unshareable_info()`.
>
> Added, thanks for raising those places.

I suspect there's a problem with dynamic archives. I will try to write a test case to demonstrate that.

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PR Review Comment: https://git.openjdk.org/jdk/pull/24847#discussion_r2116917253