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Type: Enhancement
Resolution: Fixed
Priority: P4
Fix Version/s: 22
Affects Version/s: 17, 21, 22
Component/s: hotspot
Labels:

Subcomponent:
compiler
Resolved In Build:
b27
CPU:

aarch64

Issue	Fix Version	Assignee	Priority	Status	Resolution	Resolved In Build
JDK-8334590	21.0.5	Xiaolong Peng	P4	Resolved	Fixed	b01
JDK-8334837	17.0.13	Xiaolong Peng	P4	Resolved	Fixed	b01

As Arm Neoverse V2 will benefit from the same optimizations as Neoverse N1 does, it should have OnSpinWaitInst/OnSpinWaitInstCount defaults set to "isb"/1 and UseSIMDForMemoryOps default set to true.

backported by

JDK-8334590 Enable Neoverse N1 optimizations for Neoverse V2

Resolved

JDK-8334837 Enable Neoverse N1 optimizations for Neoverse V2

Resolved

links to

Commit openjdk/jdk17u-dev/953a03de

Commit openjdk/jdk21u-dev/943e7593

Commit openjdk/jdk/c9d15f7d

Review openjdk/jdk17u-dev/2579

Review openjdk/jdk21u-dev/720

Review openjdk/jdk/16887

(3 links to)

Assignee:: Evgeny Astigeevich

Reporter:: Evgeny Astigeevich

Votes:: 0 Vote for this issue

Watchers:: 4 Start watching this issue

Created:: 2023-11-29 07:02

Updated:: 2024-06-28 00:04

Resolved:: 2023-11-30 03:34

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