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  1. Qt
  2. QTBUG-77108

fontconfig: bad performance regression in current 5.14/dev

    XMLWordPrintable

    Details

    • Type: Bug
    • Status: Closed
    • Priority: P1: Critical
    • Resolution: Done
    • Affects Version/s: 5.14.0 Alpha
    • Fix Version/s: 5.14.0 Alpha
    • Component/s: GUI: Font handling
    • Labels:
      None
    • Commits:
      31753adebe0f19b90f332e81e1a9b063b40f982d

      Description

      The commit I630a80e4bed2647d5bbd95247005aab7d0cb0363 "Fontconfig font database: Short-circuit matching by filename" causes really bad startup time for qml scenes with chinese fonts. E.g. changes from 0.14s to 2.34s. user cpu on a desktop for

      qmlscene qtdeclarative/tests/manual/scenegraph_lancelot/data/text/text_italic_bold_chinese.qml

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          Activity

            People

            Assignee:
            esabraha Eskil Abrahamsen Blomfeldt
            Reporter:
            vgt Eirik Aavitsland
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              Dates

              Created:
              Updated:
              Resolved:

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