Integrated: 8256265: G1: Improve parallelism in regions that failed evacuation

Thu Sep 15 10:00:06 UTC 2022

On Tue, 23 Aug 2022 13:29:31 GMT, Thomas Schatzl <tschatzl at openjdk.org> wrote:

> Hi all,
> 
>   can I have reviews on this change that makes the evacuation failure remove forwards phase split the work across threads within regions?
> 
> This work is a continuation of PR#7047 from @Hamlin-Li and latest improvements from @albertnetymk in that thread. This is reflected in the first commit, I added a fair amount of changes to fix bugs and streamline the code.  
> 
> Testing: tier1-8 with G1EvacuationFailureALot enabled, tier1-5 as is

This pull request has now been integrated.

Changeset: 15cb1fb7
Author:    Thomas Schatzl <tschatzl at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/15cb1fb7885a2fb5d7e51796552bae5ce0708cf5
Stats:     482 lines in 22 files changed: 242 ins; 116 del; 124 mod

8256265: G1: Improve parallelism in regions that failed evacuation

Co-authored-by: Hamlin Li <mli at openjdk.org>
Co-authored-by: Albert Mingkun Yang <ayang at openjdk.org>
Reviewed-by: sjohanss, ayang

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PR: https://git.openjdk.org/jdk/pull/9980