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  1. JDK
  2. JDK-8296548

Improve MD5 intrinsic for x86_64

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    • b24
    • x86

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      Description

        LEA instruction used in MD5 intrinsic is less performant on older x86 microarchitectures such as Haswell, Broadwell, Skylake, and Cascade Lake. Microbenchmark evaluation showed ~40% performance improvement by replacing LEA with ADDs.

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                yftsai Yi-Fan Tsai
                yftsai Yi-Fan Tsai
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