Integrated: 8327387: G1: Refactor region liveness processing after completion of concurrent marking

[Albert Mingkun Yang]

On Tue, 5 Mar 2024 17:23:11 GMT, Albert Mingkun Yang <ayang at openjdk.org> wrote:

> The diff is not quite easy to follow. Instead, I'd recommend to read the new code directly, and the entry-point (and the gist) is in `G1OnRegionClosure::do_heap_region`.
> 
> While running BigRamTester, h2, and specjbb2015-fixed, a slight reduction in subphase time (approximately 0.01ms) was observed. However, it's important to note that these subphases are already quite brief in baseline.
> 
> Test: tier1-6

This pull request has now been integrated.

Changeset: 63dd6d1a
Author:    Albert Mingkun Yang <ayang at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/63dd6d1ac5b367e9c475779349581506d5c81d16
Stats:     314 lines in 4 files changed: 85 ins; 164 del; 65 mod

8327387: G1: Refactor region liveness processing after completion of concurrent marking

Reviewed-by: gli, tschatzl

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PR: https://git.openjdk.org/jdk/pull/18127