Details
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Task
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Resolution: Out of scope
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P2: Important
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None
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None
Description
Add some sort of caching, this is showing up almost every time I profile something on the Mac:
Item Views
QTextEdit
QWebView
QPushButton animation
demos/embeddeddialogs startup time:
+ 37.2% QFontEngineMacMulti::stringToCMapInternal(QChar const*, int, QGlyphLayout*, int*, QFlags<QTextEngine::ShaperFlag>, QFontEngineMacMulti::ShaperItem*) const (QtGui)
| + 37.1% QFontEngineMacMulti::stringToCMap(QChar const*, int, QGlyphLayout*, int*, QFlags<QTextEngine::ShaperFlag>, unsigned short*, HB_CharAttributes const*) const (QtGui) | |||||||
| + 36.1% QTextEngine::shapeTextWithAtsui(int) const (QtGui) | |||||||
| + 36.1% QTextEngine::shapeText(int) const (QtGui) | |||||||
| + 36.1% QTextEngine::shape(int) const (QtGui) | |||||||
| + 33.9% QTextEngine::width(int, int) const (QtGui) | |||||||
| + 33.9% QFontMetrics::width(QString const&, int) const (QtGui) | |||||||
| + 33.6% QComboBoxPrivate::recomputeSizeHint(QSize&) const (QtGui) | |||||||
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| + 15.2% QComboBox::sizeHint() const (QtGui) |
Attachments
Issue Links
- is required for
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- Closed
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