JDK-8192899 : EnableThreadSMRStatistics has some hot fields
- Type: Bug
- Component: hotspot
- Sub-Component: runtime
- Affected Version: 10
- Priority: P4
- Status: Closed
- Resolution: Incomplete
- OS: generic
- CPU: generic
- Submitted: 2017-12-01
- Updated: 2019-06-20
- Resolved: 2018-08-07
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Resolved: Release in which this issue/RFE has been resolved.
Fixed : Release in which this issue/RFE has been fixed. The release containing this fix may be available for download as an Early Access Release or a General Availability Release.
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Unresolved : Release in which this issue/RFE will be addressed.
Resolved: Release in which this issue/RFE has been resolved.
Fixed : Release in which this issue/RFE has been fixed. The release containing this fix may be available for download as an Early Access Release or a General Availability Release.
To download the current JDK release, click here.
| JDK 12 |
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12Resolved  |
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Description
False sharing on the cacheline and adjacent cacheline causes 100% overhead in extreme benchmark. The atomic inc by itself seems to cause ~1% overhead
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