[solved] UI response is slow in Arch 64

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Wed, 05/16/2012 - 22:22

DavePhillips

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[solved] UI response is slow in Arch 64

Greetings,

The subject says it: For some reason the responsiveness of Kdenlive's UI starts out bog slow on my 64-bit Arch system. I run the same version (from the build script) on Ubuntu 10.04 and Debian Squeeze systems (32-bit) and see no performance slowdown. So does anyone have any idea why it should be happening on the 64-bit box ?

The latest build is a little better. First-time calls - such as a right-click to Add A Clip - take up to 20 seconds to respond, but afterwards things run smoother, just not as smoothly as on the 32-bit machines.

Btw, Kdenlive gets better all the time. Congratulations on 0.9 !

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Thu, 05/17/2012 - 07:21

dracoroot7

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Re: UI response is slow in Arch 64

I'm using arch 64 and I don't have your issue, I'm using and nvidia card with the drivers from nvidia on my desktop
and on my laptop I have an intel gfx chip set and still no issue.

Thu, 05/17/2012 - 14:20

DavePhillips

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Re: UI response is slow in Arch 64

Damn, draco, I was hoping you wouldn't say that. :) Oh well. All my machines have nVidia cards/chipsets, all are using the nVidia drivers. Since only the 64-bit box shows the problem I'll update its video driver, see if it makes any difference.

Sun, 05/27/2012 - 03:15

DavePhillips

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Re: UI response is slow in Arch 64

Thanks to Rui Nuno Capela on the Linux Audio Developers list for this solution to my problem :

[dave@BigBlack ~]$ kdenlive -graphicssystem raster

And suddenly Kdenlive is fast again. I checked my system (Arch64) to see if a value had been set for QT_GRAPHICSSYSTEM :

[dave@BigBlack ~]$ echo $QT_GRAPHICSSYSTEM
opengl

Interesting.

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[solved] UI response is slow in Arch 64

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