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Type: Enhancement
Resolution: Fixed
Priority: P4
Fix Version/s: 19
Affects Version/s: 11, 17, 19
Component/s: hotspot
Labels:

Subcomponent:
compiler
Resolved In Build:
b10
CPU:

aarch64

Issue	Fix Version	Assignee	Priority	Status	Resolution	Resolved In Build
JDK-8301866	17.0.8-oracle	Tobias Hartmann	P4	Resolved	Fixed	b01
JDK-8301369	17.0.7	Paul Hohensee	P4	Resolved	Fixed	b01
JDK-8323665	11.0.23	Liang Mao	P4	Resolved	Fixed	b01

As Arm Neoverse V1 and N2s 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-8301369 Enable Neoverse N1 optimizations for Arm Neoverse V1 & N2

Resolved

JDK-8301866 Enable Neoverse N1 optimizations for Arm Neoverse V1 & N2

Resolved

JDK-8323665 Enable Neoverse N1 optimizations for Arm Neoverse V1 & N2

Resolved

duplicates

JDK-8280008 Set UseSIMDForMemoryOps default to true for Arm Neoverse V1

Closed

links to

Commit openjdk/jdk11u-dev/7262e7de

Commit openjdk/jdk17u-dev/201ceb70

Commit openjdk/jdk/f823bed0

Review openjdk/jdk11u-dev/2425

Review openjdk/jdk17u-dev/1089

Review openjdk/jdk/7383

(5 links to)

Assignee:: Paul Hohensee

Reporter:: Evgeny Astigeevich

Votes:: 0 Vote for this issue

Watchers:: 5 Start watching this issue

Created:: 2022-01-14 03:30

Updated:: 2024-02-16 07:15

Resolved:: 2023-01-27 14:00

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