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Type: Enhancement
Resolution: Fixed
Priority: P4
Fix Version/s: 18
Affects Version/s: 11, 17, 18
Component/s: hotspot
Labels:

Subcomponent:
compiler
Resolved In Build:
b23

Issue	Fix Version	Assignee	Priority	Status	Resolution	Resolved In Build
JDK-8276866	17.0.3-oracle	Jie Fu	P4	Resolved	Fixed	b01
JDK-8276675	17.0.2	Jie Fu	P4	Resolved	Fixed	b04
JDK-8298927	11.0.19-oracle	Tobias Hartmann	P4	Resolved	Fixed	b01
JDK-8276691	11.0.14	Jie Fu	P4	Resolved	Fixed	b02

The performance was observed to be suboptimal on x86 with LoopPercentProfileLimit=30.

It seems better to reset it to the original value (10) for x86.

backported by

JDK-8276675 Reset LoopPercentProfileLimit for x86 due to suboptimal performance

Resolved

JDK-8276691 Reset LoopPercentProfileLimit for x86 due to suboptimal performance

Resolved

JDK-8276866 Reset LoopPercentProfileLimit for x86 due to suboptimal performance

Resolved

JDK-8298927 Reset LoopPercentProfileLimit for x86 due to suboptimal performance

Resolved

relates to

JDK-8149421 Vectorized Post Loops

Resolved

links to

Commit openjdk/jdk11u-dev/5aa125eb

Commit openjdk/jdk17u/802844ae

Commit openjdk/jdk/0ab910d6

Review openjdk/jdk11u-dev/582

Review openjdk/jdk17u/227

Review openjdk/jdk/6142

(6 links to)

Assignee:: Jie Fu

Reporter:: Jie Fu

Votes:: 0 Vote for this issue

Watchers:: 4 Start watching this issue

Created:: 2021-10-27 07:03

Updated:: 2022-12-16 01:58

Resolved:: 2021-11-03 15:46

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