git: openjdk/panama-vector: master: 8027545: Improve object array chunking test in G1's copy_to_survivor_space

[Kim Barrett]

Changeset: dafcf105
Author:    Kim Barrett <kbarrett at openjdk.org>
Date:      2020-09-15 12:18:24 +0000
URL:       https://git.openjdk.java.net/panama-vector/commit/dafcf105

8027545: Improve object array chunking test in G1's copy_to_survivor_space
8158045: Improve large object handling during evacuation
8027761: Investigate fast-path for scanning only objects with references during gc

Generate multiple partial array tasks for large objArrays.

Reviewed-by: sjohanss, ayang, tschatzl

! src/hotspot/share/gc/g1/g1ParScanThreadState.cpp
! src/hotspot/share/gc/g1/g1ParScanThreadState.hpp
+ src/hotspot/share/gc/shared/partialArrayTaskStepper.cpp
+ src/hotspot/share/gc/shared/partialArrayTaskStepper.hpp
+ src/hotspot/share/gc/shared/partialArrayTaskStepper.inline.hpp
! src/hotspot/share/oops/arrayOop.hpp
! src/hotspot/share/oops/objArrayOop.hpp
+ test/hotspot/gtest/gc/shared/test_partialArrayTaskStepper.cpp