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Type:
Enhancement
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Resolution: Fixed
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Priority:
P4
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Affects Version/s: 25, 26
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Component/s: hotspot
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b26
When an array copy happens concurrently with old and young marking, Shenandoah's generational mode walks over the array twice. This is unnecessary and increases the workload for marking threads.
- causes
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JDK-8372498 [genshen] gc/TestAllocHumongousFragment.java#generational causes intermittent SIGSEGV crashes
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- In Progress
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- relates to
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JDK-8344985 GenShen: Refactor arraycopy barrier for generational mode
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- Resolved
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- links to
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Commit(master)
openjdk/jdk/f8cf9ca6
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Review(master)
openjdk/jdk/28183