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Bug ID: JDK-6819065 G1: eliminate high serial card table clearing time
JDK-6819065 : G1: eliminate high serial card table clearing time

Details
Type:
Enhancement
Submit Date:
2009-03-18
Status:
Closed
Updated Date:
2010-04-04
Project Name:
JDK
Resolved Date:
2009-11-19
Component:
hotspot
OS:
generic
Sub-Component:
gc
CPU:
generic
Priority:
P3
Resolution:
Won't Fix
Affected Versions:
hs15
Fixed Versions:
hs15

Related Reports
Backport:
Backport:
Backport:
Relates:

Sub Tasks

Description
We recently tried G1 on a 32GB heap. The serial card table clearing time that takes place at the end of a collection was quite high (around 25ms). It'd be nice to eliminate this high serial time to improve GC times on large heaps.

                                    

Comments
EVALUATION

http://hg.openjdk.java.net/jdk7/hotspot-gc/hotspot/rev/29e7d79232b9
                                     
2009-05-20



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