RFR: 8339573: Update CodeCacheSegmentSize and CodeEntryAlignment for ARM

[Andrew Haley]

On Fri, 13 Sep 2024 16:53:42 GMT, Vladimir Kozlov <kvn at openjdk.org> wrote:

>> @vnkozlov Many thanks!
>> Do you reproduce the regression on a public benchmark that I can also try?
>> Now I restrict CodeEntryAlignment=16 for V1 and V2 only. And I restart my performance tests.
>
>> Do you reproduce the regression on a public benchmark that I can also try?
> 
> It was our internal benchmark.

> > @vnkozlov Many thanks! Do you reproduce the regression on a public benchmark that I can also try? Now I restrict CodeEntryAlignment=16 for V1 and V2 only. And I restart my performance tests.
> 
> This may have as much to do with the smallish icache

Sorry, I meant last level cache

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PR Comment: https://git.openjdk.org/jdk/pull/20864#issuecomment-2351049968