Hi I'm using Qt 5.5.1 on Mac OSX 10.10.5.
I noticed my application being slower than expected, so I compiled a release build and ran the application under the Instruments time profiler (using release builds of the Qt libraries). If I'm understanding the data correctly, about 45% of the time is spent in QAccessibleEvent::uniqueId() and functions that calls. Many of these are after calling QLabel::setText(). As far as I can tell, my application is doing nothing to make itself accessible, and I don't have any accessibility features turned on in the OS. So I'd be surprised if what should really amount to a no-op is causing such a performance problem. Is there a way for me to disable all accessibility in Qt so I can repeat the profiling and see if performance improves? Thanks Adam
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