Uploaded image for project: 'JDK'
  1. JDK
  2. JDK-8273972

Multi-core choke point in CMM engine (LCMSTransform.doTransform)

    XMLWordPrintable

Details

    • 2d
    • b17
    • generic
    • generic

    Backports

      Description

        Initially, the bug was discussed here:
        https://stackoverflow.com/questions/35264582/why-is-multithreading-slowing-down/35264813

        The method LCMSTransform.doTransform() is synchronized which means we cannot transform different images in parallel. See the link above for an example and additional details.

        Attachments

          Issue Links

            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-8280483 Multi-core choke point in CMM engine (LCMSTransform.doTransform)

            • 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-8287027 Multi-core choke point in CMM engine (LCMSTransform.doTransform)

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

            Bug - A problem which impairs or prevents the functions of the product. JDK-8287824 The MTPerLineTransformValidation tests has a typo in the @run tag

            • 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-8286201 sun/java2d/cmm/ColorConvertOp/MTPerLineTransformValidation.java failed with "exit code: 134"

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

            Commit Commit openjdk/jdk17u-dev/55fb592e

            Commit Commit openjdk/jdk/e49e5b5a

            Review Review openjdk/jdk17u-dev/47

            Review Review openjdk/jdk17u/318

            Review Review openjdk/jdk/5671

            Activity

              People

                serb Sergey Bylokhov
                serb Sergey Bylokhov
                Votes:
                0 Vote for this issue
                Watchers:
                4 Start watching this issue

                Dates

                  Created:
                  Updated:
                  Resolved: