java.util.Objects.equals use of identity comparison has a negative performance implact with Valhalla. `==` aka `acmp` has high overhead.
For Valhalla, when --enable-preview is true, avoid acmp.
Additional performance comparisons may suggest better/alternative heuristics.
For Valhalla, when --enable-preview is true, avoid acmp.
Additional performance comparisons may suggest better/alternative heuristics.
- relates to
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JDK-8371497 Simplify java.util.Object.equals - remove the identity comparison
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- Open
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JDK-8366043 [lworld] (LIFE = Legacy Idiom For Equality) causes performance regressions
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- Open
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- links to
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Commit(lworld)
openjdk/valhalla/ba4e7678
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Review(lworld)
openjdk/valhalla/1551