Uploaded image for project: 'JDK'
  1. JDK
  2. JDK-8194315

TLH causes various performance regressions

    Details

    • Subcomponent:
    • Introduced In Build:
      b34
    • Introduced In Version:
      10
    • CPU:
      sparc, x86_64
    • OS:
      linux, os_x, solaris, windows

      Description

      Various benchmarks regressions were measured in 10-b34.
      Using '' to turn off TLH shows the following benchmarks were impacted:

      Octane-NavierStokes approx -2 to -4% on LXS and WXS
      Octane-Regexp approx -3% on LXS
      SPECjbb2005-ParGC approx -1% on LXS
      SPECjvm2008-Compress-G1 approx -1% on WXS
      SPECjvm2008-Compress-ParGC approx -1 to -2% on LXS and WXS
      SPECjvm2008-Derby-G1 approx -3 to -5% on MXS
      SPECjvm2008-Serial-ParGC approx -4 to -5% on MXS
      SPECjvm2008-Sparse.large-G1 approx -1 to -2% on STS
      SPECjvm2008-Sparse.small-G1 approx -9 to -11% on STS
      SPECjvm2008-Sparse.small-ParGC approx -4 to -5% on LXS, MXS, STS

        Attachments

          Issue Links

            Activity

              People

              • Assignee:
                ecaspole Eric Caspole
                Reporter:
                resii Robert Strout
              • Votes:
                0 Vote for this issue
                Watchers:
                5 Start watching this issue

                Dates

                • Created:
                  Updated:
                  Resolved: