RFR: JDK-8180450: secondary_super_cache does not scale well [v5]

[Vladimir Kozlov]

On Fri, 22 Mar 2024 17:55:57 GMT, Andrew Haley <aph at openjdk.org> wrote:

>> src/hotspot/share/runtime/globals.hpp line 2005:
>> 
>>> 2003:                                                                             \
>>> 2004:   product(bool, VerifySecondarySupers, false, DIAGNOSTIC,                   \
>>> 2005:           "Use secondary super cache during subtype checks")                \
>> 
>> Did you mean "Verify secondary super cache..."?
>
> No, this option checks that the new (hashed) algorithm matches the old one.

So what is difference between `UseSecondarySuperCache` and `VerifySecondarySupers`?
The description is the same and only default values are different.

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PR Review Comment: https://git.openjdk.org/jdk/pull/18309#discussion_r1535994212