RFR: 8331341: secondary_super_cache does not scale well: C1 and interpreter [v28]

[Andrew Haley]

On Tue, 15 Oct 2024 10:41:26 GMT, Andrew Haley <aph at openjdk.org> wrote:

>> Andrew Haley has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Strengthen assertion
>
> By the way, to see the performance benefit of this patch run the test case SecondarySuperCacheInterContention.java, like so:
> 
> `/build/macosx-aarch64-server-fastdebug/jdk/bin/java -XX:-UseSecondarySupersTable -XX:+UseSecondarySupersCache -jar build/macosx-aarch64-server-fastdebug/images/test/micro/benchmarks.jar SecondarySuperCacheInterContention`

> @theRealAph Hi, And here is the version for riscv: [zifeihan at 2c52968](https://github.com/zifeihan/jdk/commit/2c5296859597f5edc6601a5d1780126ec373d4dc) . Do you want to have it in this PR? Or shall I create another one? Thanks. By the way, Already passed tier1-tier3 tests on the linux-riscv64 platform(SOPHON SG2042).

There's no need to merge with this PR. It should be a simple enough thing to approve.

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PR Comment: https://git.openjdk.org/jdk/pull/19989#issuecomment-2431378144