Issue | Fix Version | Assignee | Priority | Status | Resolution | Resolved In Build |
---|---|---|---|---|---|---|
JDK-2179585 | 7 | John Coomes | P2 | Closed | Fixed | b63 |
JDK-2180647 | 6u18 | John Coomes | P2 | Closed | Fixed | b01 |
The G1 integration (6711316: Open source the Garbage-First garbage collector) introduced a large performance regression in BitMap operations which are used heavily by parallel compaction. A synthetic benchmark shows a 50% increase in full gc time w/parallel compaction after 6711316.
- backported by
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JDK-2179585 BitMap: performance regression introduced with G1
- Closed
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JDK-2180647 BitMap: performance regression introduced with G1
- Closed
- relates to
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JDK-6814552 par compact - some compilers fail to optimize bitmap code
- Resolved
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JDK-6711316 Open source the Garbage-First garbage collector
- Resolved