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  1. Qt
  2. QTBUG-103187

Reconfiguration is slow due to qmlimportscanner

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Details

    • Bug
    • Resolution: Done
    • 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)

    Description

      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.

      Attachments

        1. Screenshot 2022-05-03 100610.png
          Screenshot 2022-05-03 100610.png
          19 kB
        2. qmlimportscanner
          0.3 kB
        3. perf-graph.txt.gz
          232 kB
        4. perf.txt.gz
          14 kB
        5. importomania.tgz
          1 kB

        Issue Links

          relates to

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-102263 iOS: qmake is very slow in large projects

          • P3: Somewhat important - Should be fixed, but doesn't affect the release in any way.
          • Reported

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-95609 cmake names for qml plugins

          • P3: Somewhat important - Should be fixed, but doesn't affect the release in any way.
          • Closed

          Suggestion - Public suggestions QTBUG-92887 [cmake] qt6_import_qml_plugins without import scanner

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Reported

          Activity

            People

              alexandru.croitor Alexandru Croitor
              mrlolli Luca Lolli
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              5 Start watching this issue

              Dates

                Created:
                Updated:
                Resolved: