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  1. JDK
  2. JDK-8165381

Update for x86 SHA512 using AVX2

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    • b146
    • x86

    Description

      We would like to contribute the SHA512 AVX2 intrinsic.

      This instrinsic is for x86 AVX2 architecture with no supports_sha() available.

      The patch delivers 2x performance gain for the latency and throughput - both are measured on an average message.

      Contributor: Smita Kamath (smita.kamath@intel.com)

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          duplicates

          Enhancement - null JDK-8165379 Update for x86 SHA512 using AVX2

          • P4 - Minor loss of function, or other problem where easy workaround is present.
          • Closed
          relates to

          Bug - A problem which impairs or prevents the functions of the product. JDK-8220198 Lots of com/sun/crypto/provider/Cipher tests fail on x86_32 due to missing SHA512 stubs

          • P3 - Major loss of function.
          • Resolved

          Enhancement - null JDK-8165404 AArch64: Implement SHA512 accelerator/intrinsic

          • P4 - Minor loss of function, or other problem where easy workaround is present.
          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. JDK-8211061 Tests fail with assert(VM_Version::supports_sse4_1()) on ThreadRipper CPU

          • P3 - Major loss of function.
          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. JDK-8194494 SHA-512 stub uses AVX 2 instructions on non-supporting CPUs

          • P2 - Crashes, loss of data, severe memory leak.
          • Closed

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              kvn Vladimir Kozlov
              vdeshpande Vivek Deshpande (Inactive)
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