JDK-8150394 : aarch64: add support for 8.1 LSE CAS instructions
- Type: Enhancement
- Component: hotspot
- Sub-Component: compiler
- Affected Version: 9
- Priority: P4
- Status: Resolved
- Resolution: Fixed
- OS: linux
- CPU: aarch64
- Submitted: 2016-02-22
- Updated: 2021-02-01
- Resolved: 2016-03-08
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| JDK 9 | Other |
|---|---|
9 b112Fixed  |
openjdk8u292Fixed |
Related Reports
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Relates :
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Description
armv8.1 LSE supports compare and swap instructions. Using CAS has significant performance benefits over using exclusive regions on large multi core systems.