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Enhancement
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Resolution: Fixed
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P3
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9
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b74
| Issue | Fix Version | Assignee | Priority | Status | Resolution | Resolved In Build |
|---|---|---|---|---|---|---|
| JDK-8135597 | emb-9 | Thomas Schatzl | P3 | Resolved | Fixed | team |
During fixing up self-forwarded pointers created by evacuation failure we walk the heap object by object, fixing up BOT, mark bitmap object by object, both for dead and live objects.
It would be a lot faster to coalesce dead objects into single filler objects and do the BOT update/mark bitmap work on that scale. This significantly reduces the number of updates, increasing performance.
It would be a lot faster to coalesce dead objects into single filler objects and do the BOT update/mark bitmap work on that scale. This significantly reduces the number of updates, increasing performance.
- backported by
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JDK-8135597 Coalesce dead objects during removal of self-forwarded pointers
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- Resolved
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- relates to
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JDK-8129573 CollectedHeap::fill_with_objects() needs to use multiple arrays in 32 bit mode too
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- Resolved
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