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Slow scrolling? [Ubuntu]

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Nosferax:
CPU was higher than when idle, but it didn't max out. It stays between 20-35%.

oBFusCATed:
CPU usage on my machine is around 35% on one of the cores, while scrolling (fast for me though).

Specs: q6600 @ 3.6 ghz  :lol:

richarduk:
Yes mine too is also around the 30% mark. Dual core AMD chip so no Intel monster speed demon. It really feels like the mouse wheel messages are being missed / ignored.

koso:
I am getting about 80% on one, and 60% on another core when scrolling with keyboard. It is C2D @ 1,66 GHz, probably in some sleep state (1000 GHz). I am using KDE4 enviroment + intel graphics card => even desktop effects are laggy :((

Kalith:
Sorry for the thread resurrection, but this issue is still present in the latest nightly (even 7288 from Jens' repository) with Ubuntu 11.04.

I don't know if this is related, but it seems to also impact on typing, which can get very unresponsive (half a second delay between key press and character written on screen), when the editor has been open for a while and many files (~15) are open (CPU is then 100%). Closing all files helps to reduce the typing delay, but scrolling is always slow (except, like the OP says, if you scroll slowly : then all scroll ticks are received and the scrolling amount is correct).
I've tried to disable all plugins and use a fresh configuration file but nothing changed.

A have a quite good CPU (4 cores, 2.4Ghz), better than the one I have on my XP machine, which runs perfectly.

Do you have any tip to solve this issue ? Is it a problem on my side or not ?

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