RFR: 8339573: Update CodeCacheSegmentSize and CodeEntryAlignment for ARM

[Vladimir Kozlov]

On Mon, 9 Sep 2024 22:37:44 GMT, Boris Ulasevich <bulasevich at openjdk.org> wrote:

> With Segmented Code Cache we have separate freelists for profiled and non-profiled heap. So I think there is no need to correct segment size for tiered compilation.

It is indeed helped somewhat but as you said:

>  the warning can still be reproduced today using the -XX:+VerifyCodeCache fastdebug option in large applications (10K nmethods ~ 10K free blocks in between them).

Anyway, I agree to trade off 1% in compilation speed for 0.2-0.7% application performance improvement.

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PR Comment: https://git.openjdk.org/jdk/pull/20864#issuecomment-2339456528