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Performance degradation with Qt6 #93

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PierreRaybaut opened this issue Dec 24, 2024 · 0 comments
Open

Performance degradation with Qt6 #93

PierreRaybaut opened this issue Dec 24, 2024 · 0 comments
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@PierreRaybaut
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This is the same problem as in this PlotPy issue.
Actually, this should have been the other way around...

The qwt\tests\test_loadtest.py may be used to reproduce this issue.
For example, on Windows 11 with an average machine (Intel Core i5-1135G7):

  • [Python 3.11.3, Qt 5.15.2, PyQt v5.15.11 on Windows] Average elapsed time: 491 ms
  • [Python 3.11.3, Qt 6.8.1, PyQt v6.8.0 on Windows] Average elapsed time: 821 ms (+70%)
  • [Python 3.11.3, Qt 6.8.1, PySide v6.8.1 on Windows] Average elapsed time: 1007 ms (+100%)
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