[Development] QtNetwork performance improvements

[Peter Hartmann]

Hello,

for reference: I have just created a Wiki page about QtNetwork 
performance improvements at http://qt-project.org/wiki/QtNetwork_performance

One interesting quote:

"In the particular case of code issuing a network request, the time 
spent in parsing the HTTP replies, computing SSL keys etc. takes less 
than 5% of the overall time, i.e. 95% of the time below is spent in 
waiting for network I/O.

In other words: When trying to improve QtNetwork performance, try to 
shave off network roundtrips and reduce latency rather than trying to 
improve parsing of HTTP replies / avoiding memcpy etc."

Feel free to comment / ask / suggest etc.

Peter

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