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Enhancement
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Resolution: Duplicate
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P3
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None
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None
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generic
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generic
Richard Startin points out that C2 (still) can't vectorize simple hashCode loops:
https://richardstartin.com/2017/07/23/still-true-in-java-9-handwritten-hash-codes-are-faster/
We should investigate whether it's worth unrolling selected hashCode methods in, e.g., java.lang.String and java.util.Arrays, by hand.
https://richardstartin.com/2017/07/23/still-true-in-java-9-handwritten-hash-codes-are-faster/
We should investigate whether it's worth unrolling selected hashCode methods in, e.g., java.lang.String and java.util.Arrays, by hand.
- duplicates
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JDK-8059113 Optimize polynomial hash loops
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- Open
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