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  1. JDK
  2. JDK-8005419

Improve intrinsics code performance on x86 by using AVX2

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    • b15
    • x86
    • generic

    Backports

      Description

        Use AVX2 wide YMM registers and new instructions in arraycopy stubs, string intrinsics, clear array code.

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            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-8006059 Improve intrinsics code performance on x86 by using AVX2

            • P4 - Minor loss of function, or other problem where easy workaround is present.
            • 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-8006496 Improve intrinsics code performance on x86 by using AVX2

            • P4 - Minor loss of function, or other problem where easy workaround is present.
            • 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-8006380 Improve intrinsics code performance on x86 by using AVX2

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

            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-8017874 Improve intrinsics code performance on x86 by using AVX2

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

            Enhancement - null JDK-8005522 use fast-string instructions on x86 for zeroing

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

            Enhancement - null JDK-8279668 x86: AVX2 versions of vpxor should be asserted

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

            Enhancement - null JDK-8005544 Use 256bit YMM registers in arraycopy stubs on x86

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

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                kvn Vladimir Kozlov
                kvn Vladimir Kozlov
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                Dates

                  Created:
                  Updated:
                  Resolved: