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I'm using a 2d CAD program to create pcb boards (Eagle from cadsoft.de). On Nvidia Hardware the performance is really good, even on old hardware like an old AMD Athlon XP with 1,8GHz and Nvidia Geforce 6200GS. Zooming and panning are fast.

But on my new AMD Athlon II X4 with HD4350 zooming and panning are horrible, both with Radeon and FGLRX driver.

What can I do?

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Please mention the version of ubuntu you are using, as well the catalyst ( fglrx) driver version. Do you experience tearing or any other distortion? – tinhed Nov 16 '10 at 12:42
This question seems abandoned, there is not further information or activity added to it for several months. I am flagging this to be closed by a moderator. If you think this issue is still affecting you you can flag a moderator to re-open it. – Bruno Pereira♦ Feb 2 '12 at 16:58

closed as too localized by Bruno Pereira♦, Marco Ceppi♦ Feb 2 '12 at 18:16

This question is unlikely to help any future visitors; it is only relevant to a small geographic area, a specific moment in time, or an extraordinarily narrow situation that is not generally applicable to the worldwide audience of the internet. For help making this question more broadly applicable, see the FAQ.

3 Answers

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Your best bet is to experiment with different driver versions. Or ideally since you know that NVIDIA is working better for you switch to the GPU that functions for your software.

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It definitely looks like you are using the onboard graphics on on a 795GX board. In such cases the amount of memory allocated to the Onboard solution becomes important. For almost all situations a cheap add on graphics card would outgun an onboard solution. So if you are a heavy cad. Consider investing some money. Even a nvidia 8400 gs or radeon 3450, available for as low as 25$ would give you a good boost.

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Definitely check @tinhed answer first. But after that, try the bleeding edge Xorg from the xorg crack pusher team. Performance with my Radeon x300 shot way up. The compiz window switcher now produces a 3d holograms as the screen flips around workspaces, and with a python module it can enlarge my screenspace without changing the resolution or dpi.

Bear in mind the stern warnings:

Packages for those who think development versions, experimental and unstable are for old ladies. We want our crack straight from upstream git! Well, straight, we want it built and packaged so we don't need to know what we're doing, except that we will break our X and put our computers on fire.

Also, Xorg windows start shaking if I haven't run apt-get upgrade recently.

May need to add yourself to the video group.

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