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  1. Kudu
  2. KUDU-1295

10-20% perf regression on gcc4.9 vs 4.4 for several benchmarks

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 0.7.0
    • Fix Version/s: 0.7.0
    • Component/s: perf
    • Labels:
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    • Target Version/s:

      Description

      Upon upgrading to gcc 4.9 (for c++11 support) several benchmarks got 10-20% slower (eg cbtree-test's insert speed). Need to investigate and see if we need to tweak some code or add some compiler options.

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            • Assignee:
              tlipcon Todd Lipcon
              Reporter:
              tlipcon Todd Lipcon
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              • Created:
                Updated:
                Resolved: