use Math.multiplyHigh() from JDK9 to improve performance - Githubissues

OpenHFT / Zero-Allocation-Hashing

Zero-allocation hashing for Java

Apache License 2.0

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use Math.multiplyHigh() from JDK9 to improve performance #43

Closed gzm55 closed 4 years ago

gzm55 commented 4 years ago

add Maths.unsignedLongMulXorFold(long,long) method
prefer java.lang.Math.multiplyHigh() at runtime
WyHash._wymum is re-implemented via Maths.unsignedLongMulXorFold(long,long)

Close #42