RFR: 8296768: Use different explicit claim marks for CLDs in Parallel and Serial GC [v2]

Wed Nov 23 18:41:30 UTC 2022

On Fri, 11 Nov 2022 19:13:30 GMT, Thomas Schatzl <tschatzl at openjdk.org> wrote:

>> Hi all,
>> 
>>   please review this change that implements the same optimization as [JDK-8295871](https://bugs.openjdk.org/browse/JDK-8295871) to use different claim marks for different full gc phases for Parallel and Serial GC. For both collectors I decided to clear all marks before full gc, but that is arbitrary. If you want this could be done at the end to the same effect.
>> 
>> Testing: tier1-5 (with JDK-8295871)
>> 
>> Thanks,
>>   Thomas
>
> Thomas Schatzl has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Move CLD claim clear to the end of gc

Looks good.

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Marked as reviewed by sjohanss (Reviewer).

PR: https://git.openjdk.org/jdk/pull/11092