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  1. JDK
  2. JDK-8267125

AES Galois CounterMode (GCM) interleaved implementation using AVX512 + VAES instructions

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Details

    • Enhancement
    • Status: Resolved
    • P2
    • Resolution: Fixed
    • 17
    • 18
    • hotspot
    • b12
    • x86

    Description

      I would like to submit AES-GCM optimization for x86_64 architectures supporting AVX3+VAES (Evex encoded AES). This optimization interleaves AES and GHASH operations.
      Performance gain of ~1.5x - 2x for message sizes 8k and above.

      Contributor: Smita Kamath (smita.kamath@intel.com) and Tomasz Kantecki (tomasz.kantecki@intel.com)

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        Issue Links

          duplicates

          Enhancement - null JDK-8178478 Better parallelize GCM

          • P3 - Major loss of function.
          • Closed
          relates to

          Bug - A problem which impairs or prevents the functions of the product. JDK-8273297 AES/GCM non-AVX512+VAES CPUs suffer after 8267125

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

          Bug - A problem which impairs or prevents the functions of the product. JDK-8273297 AES/GCM non-AVX512+VAES CPUs suffer after 8267125

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

          Bug - A problem which impairs or prevents the functions of the product. JDK-8296507 GCM using more memory than necessary with in-place operations

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

          Enhancement - null JDK-8231349 Move intrinsic stubs generation to compiler runtime initialization code

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

          Commit Commit openjdk/jdk/0e7288ff

          Review Review openjdk/jdk/4019

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            People

              svkamath Smita Kamath
              svkamath Smita Kamath
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              Dates

                Created:
                Updated:
                Resolved: