Details
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Enhancement
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Resolution: Fixed
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P3
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11, 13, 14
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b27
Description
Memory barriers around off-heap accesses severely affect performance (as reported by JDK-8224182).
Attachments
Issue Links
- duplicates
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JDK-8224182 [Performance] sun.misc.Unsafe.[put|get]* suffer from redundant memory barriers
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- Closed
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- relates to
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JDK-8235636 gc/shenandoah/compiler/TestUnsafeOffheapSwap.java fails after JDK-8226411
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- Resolved
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JDK-8224996 Investigate memory access C2 optimizations
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- Closed
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