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  1. Qt
  2. QTBUG-77108

fontconfig: bad performance regression in current 5.14/dev

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    • Icon: Bug Bug
    • Resolution: Done
    • Icon: P1: Critical P1: Critical
    • 5.14.0 Alpha
    • 5.14.0 Alpha
    • GUI: Font handling
    • None
    • 31753adebe0f19b90f332e81e1a9b063b40f982d

      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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            esabraha Eskil Abrahamsen Blomfeldt
            vgt Eirik Aavitsland
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              Updated:
              Resolved:

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