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Type: Enhancement
Resolution: Fixed
Priority: P4
Fix Version/s: 9
Affects Version/s: 8u20, 9
Component/s: hotspot
Labels:

Subcomponent:
gc
Resolved In Build:
b08

Issue	Fix Version	Assignee	Priority	Status	Resolution	Resolved In Build
JDK-8045283	8u25	Thomas Schatzl	P4	Resolved	Fixed	b01
JDK-8038254	8u20	Thomas Schatzl	P4	Resolved	Fixed	b08
JDK-8053399	emb-8u26	Thomas Schatzl	P4	Resolved	Fixed	b17

To avoid any future issues regarding false sharing (basically variability) with data structures based on BiasedMappedArray, pad and cache align it.

BiasedMappedArray is generally used within hot loops, so this seems prudent to do.

backported by

JDK-8038254 Pad and cache-align the BiasedMappedArray

Resolved

JDK-8045283 Pad and cache-align the BiasedMappedArray

Resolved

JDK-8053399 Pad and cache-align the BiasedMappedArray

Resolved

Assignee:: Thomas Schatzl

Reporter:: Thomas Schatzl

Votes:: 0 Vote for this issue

Watchers:: 2 Start watching this issue

Created:: 2014-03-07 01:25

Updated:: 2014-08-28 08:03

Resolved:: 2014-03-17 06:06

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