Am 10.10.2010 23:28, schrieb Baz Walter:
On 10/10/10 18:39, Knacktus wrote:
Those results are very interesting! Thanks.
Just to confirm: You had 5000 items and to expand the whole tree took
only 0.67 seconds? Also, only 1 call to parent().
Now, that makes my wonder and hope. The main differences are that I'm on
Windows 7 and I'm using pyqt 4.7.4 (build on Qt 4.6 afaik). I've read
about some performance optimisation in Qt 4.7. That would be great news.
yes, 5000 in 0.67 for qt 4.7 is correct. the only change to your
previous example code was to replace the expand_all method with this:
I just installed Qt4.7 and can confirm your observation. Now, I'm at
0.266 seconds compared to more than 90 seconds.
Sweeeeeeet. Thanks for your help!!
Jan
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