RFR: 8180450: secondary_super_cache does not scale well [v16]

[Martin Doerr]

On Tue, 16 Apr 2024 19:03:29 GMT, Vladimir Ivanov <vlivanov at openjdk.org> wrote:

>>> Performance testing results look fine.
>> 
>> I wonder, could you do me a little favour? Please run the performance tests with `-XX:-UseSecondarySuperCache`. Thanks.
>
>> I wonder, could you do me a little favour? Please run the performance tests with -XX:-UseSecondarySuperCache. Thanks.
> 
> Sure, I'll let you know once the testing is over.

> I want to delete the secondary supers cache soon, because it's an additional unnecessary step. @iwanowww did some measurements (DaCapo, Renaissance, SPECjbb2005, SPECjvm2008 on linux-x64/macos-aarch64), and he saw no significant regressions without secondary supers cache.

Thanks for the information. So, we should probably wait for that. Is there a JBS issue already?

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PR Comment: https://git.openjdk.org/jdk/pull/18309#issuecomment-2077045928