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  1. JDK
  2. JDK-8081778

Use Intel x64 CPU instructions for RSA acceleration

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    • b70
    • x86
    • generic

    Backports

      Description

        The optimization is achieved through intrinsics for BigInteger squareToLen and mulAdd methods.

        We see ~50% improvement for SPECjvm2008 crypto.rsa with this patch.

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            backported by

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8135484 Use Intel x64 CPU instructions for RSA acceleration

            • P3 - Major loss of function.
            • Resolved

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8150024 Use Intel x64 CPU instructions for RSA acceleration

            • P3 - Major loss of function.
            • Resolved

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8152448 Use Intel x64 CPU instructions for RSA acceleration

            • P3 - Major loss of function.
            • Resolved

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8153423 Use Intel x64 CPU instructions for RSA acceleration

            • P3 - Major loss of function.
            • Resolved

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8153442 Use Intel x64 CPU instructions for RSA acceleration

            • P3 - Major loss of function.
            • Resolved

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8155359 Use Intel x64 CPU instructions for RSA acceleration

            • P3 - Major loss of function.
            • Resolved

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8156260 Use Intel x64 CPU instructions for RSA acceleration

            • P3 - Major loss of function.
            • Resolved

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8161779 Use Intel x64 CPU instructions for RSA acceleration

            • P3 - Major loss of function.
            • Resolved

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8162057 Use Intel x64 CPU instructions for RSA acceleration

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

            Sub-task - The sub-task of the issue JDK-8069539 RSA Intrinsics

            • 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-8151522 Disable 8130150 and 8081778 intrinsics by default

            • 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-8133781 TLShandshake causes high cpu usage in BigInteger.montReduce

            • P3 - Major loss of function.
            • Closed

            Enhancement - null JDK-8154945 Enable 8130150 and 8081778 intrinsics by default

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

            Enhancement - null JDK-8149554 high CPU utilization seen in execution of class "java.math.BigInteger"

            • P3 - Major loss of function.
            • Closed

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                kvn Vladimir Kozlov
                kvn Vladimir Kozlov
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                  Created:
                  Updated:
                  Resolved: