Loading...

XML

Word

Printable

Type: Enhancement
Resolution: Fixed
Priority: P3
Fix Version/s: 9
Affects Version/s: hs24, hs25
Component/s: hotspot
Labels:
- gc-g1
- noreg-hard

Subcomponent:
gc
Resolved In Build:
b03

Issue	Fix Version	Assignee	Priority	Status	Resolution	Resolved In Build
JDK-8045258	8u25	Bengt Rutisson	P3	Resolved	Fixed	b01
JDK-8037512	8u20	Bengt Rutisson	P3	Resolved	Fixed	b07
JDK-8053258	emb-8u26	Bengt Rutisson	P3	Resolved	Fixed	b17

Currently G1 does not resize TLABs. This reduces performance for G1 since it can lead to contention in the allocation path.

Performance test show 2-3% throughput improvement when resizing TLABs up to the humongous threshold.

backported by

JDK-8037512 G1: Enable TLAB resizing

Resolved

JDK-8045258 G1: Enable TLAB resizing

Resolved

JDK-8053258 G1: Enable TLAB resizing

Resolved

duplicates

JDK-7189528 Use containing heap or generation to bound PLAB sizes suggested by PLABStats instances

Closed

JDK-8028312 Investigate g1 TLAB size

Closed

Assignee:: Bengt Rutisson (Inactive)

Reporter:: Bengt Rutisson (Inactive)

Votes:: 0 Vote for this issue

Watchers:: 2 Start watching this issue

Created:: 2013-12-16 01:42

Updated:: 2016-03-01 04:18

Resolved:: 2014-01-27 05:59

Details

Backports

Description

Attachments

Issue Links

Activity

People

Dates