[Qt-interest] Signal/Slot model peformance

[Valeriy Portnyagin]

Hello all,

Did anybody measure the performance of Signal/Slot architecture? 
I mean, in instance, comparing performance between virtual function call 
and work of Qt signal-slot.
 What is it faster?
 And may be using Signal/Slot model is bad for application performance. 

regards,
Valery Portnyagin.
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