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Type: Bug
Resolution: Fixed
Priority: P2
Fix Version/s: 23
Affects Version/s: 22
Component/s: hotspot
Labels:

Subcomponent:
gc
Introduced In Build:
b26
Introduced In Version:

22
Resolved In Build:
b08
CPU:

x86_64
OS:

linux, os_x, windows

Issue	Fix Version	Assignee	Priority	Status	Resolution	Resolved In Build
JDK-8322562	22.0.2	Thomas Schatzl	P2	Closed	Fixed	b01

Integration of ~~JDK-8318706~~ into 22-b26 has regressed J2dBench-bimg_misc-G1 on Windows-x64 and macOS-x64 by about ~ 1%. Linux-aarch64 also shows the regression, but at a smaller size.

Regression was isolated by measuring CI builds.

Additional benchmarks afftected:
1% J2dBench-bimg_imageio-G1 on Linux-x64
2% J2dBench-vimg_images_opq-G1 on Windows-x64
2% J2dBench-vimg_shapes_gradient-G1 on Windows-x64
2% J2dBench-vimg_shapes_solid-G1 on Windows-x64
9% J2dBench-vimg_copyarea-G1 on Windows-x64

backported by

JDK-8322562 22-b26 Regression in J2dBench-bimg_misc-G1 (and more) on Windows-x64 and macOS-x64

Closed

relates to

JDK-8322985 [BACKOUT] 8318562: Computational test more than 2x slower when AVX instructions are used

Resolved

JDK-8324823 G1: Provide automated way to check for pin count underflows

Open

JDK-8318706 Implement JEP 423: Region Pinning for G1

Resolved

links to

Commit openjdk/jdk22u/a99aa0e2

Commit openjdk/jdk/0d5f5e15

Review openjdk/jdk22/99

Review openjdk/jdk22u/36

Review openjdk/jdk/17552

(4 links to)

Assignee:: Thomas Schatzl

Reporter:: Robert Strout

Votes:: 0 Vote for this issue

Watchers:: 9 Start watching this issue

Created:: 2023-12-19 11:18

Updated:: 2024-07-03 10:52

Resolved:: 2024-01-29 00:39

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