RFR: 8265461: G1: Forwarding pointer removal thread sizing [v2]

[Leo Korinth]

On Wed, 21 Apr 2021 15:48:57 GMT, Thomas Schatzl <tschatzl at openjdk.org> wrote:

>> Hi all,
>> 
>>   can I have reviews for this change that improves forwarding pointer removal handling by adding thread sizing to the work gang?
>> 
>> Since work is distributed per region at the moment, it does not make sense to start more threads than regions.
>> 
>> This can particularly help performance with object/region pinning.
>> 
>> Testing: tier1-3, using self-verification code
>> 
>> Thanks,
>>   Thomas
>
> Thomas Schatzl has updated the pull request incrementally with two additional commits since the last revision:
> 
>  - Added comment
>  - iwalulya lkorinth reviews

Marked as reviewed by lkorinth (Committer).

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PR: https://git.openjdk.java.net/jdk/pull/3585