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  1. Qt
  2. QTBUG-103187

Reconfiguration is slow due to qmlimportscanner

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    • Icon: Bug Bug
    • Resolution: Done
    • Icon: P2: Important P2: Important
    • 6.4.0 Beta1
    • 6.2.2
    • Build System: CMake, QML: Tooling
    • None
    • Windows 11, visual studio 2019, msvc 16, cmake
    • Windows
    • 2ee7ec4d24 (qt/qtdeclarative/dev) 2ee7ec4d24 (qt/tqtc-qtdeclarative/dev) 2ee7ec4d24 (qt/qtdeclarative/6.4) 2ee7ec4d24 (qt/tqtc-qtdeclarative/6.4) e2a3667e34 (qt/qtdeclarative/6.3) e2a3667e34 (qt/tqtc-qtdeclarative/6.3)

      When compiling a Qt project, the qmlimportscanner.exe takes roughly 45 seconds to perform its work.
      This happens even when there are no changes in any qml or related code, making every small code change incredibly slow.

        1. Screenshot 2022-05-03 100610.png
          19 kB
          Luca Lolli
        2. perf.txt.gz
          14 kB
          Cajus Pollmeier
        3. perf-graph.txt.gz
          232 kB
          Cajus Pollmeier
        4. importomania.tgz
          1 kB
          Cajus Pollmeier
        5. qmlimportscanner
          0.3 kB
          Cajus Pollmeier
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            alexandru.croitor Alexandru Croitor
            mrlolli Luca Lolli
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              Created:
              Updated:
              Resolved: