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Apparently, though unproven, at 17:24 on Tuesday 26 October 2010, Paul Hartman |
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did opine thusly: |
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|
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> On Mon, Oct 25, 2010 at 9:04 PM, Iain Buchanan <iaindb@××××××××××××.au> |
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wrote: |
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> > I'm having issues with the latest mix of nvidia-drivers, xorg, and |
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> > whatever else it might be! |
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> > |
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> > I'm getting bad performance when switching virtual dekstops and moving |
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> > windows and such. GL screensavers seem to be ok though. |
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> |
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> Same here. My fast desktop with Core i7 920, Nvidia GX 240, has a |
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> slower KDE UI than my 6-year-old laptop that has AMD Athlon 3200+ and |
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> ATI Radeon Mobility 9700. Simply opening a konsole window on my |
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> desktop with compositing enabled can take 2-3 seconds, when it is |
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> instant on the laptop. |
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|
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Let me weep on your shoulder with you. This laptop has a pair of these: |
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|
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vendor_id : GenuineIntel |
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cpu family : 6 |
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model : 23 |
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model name : Intel(R) Core(TM)2 Duo CPU T9300 @ 2.50GHz |
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|
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4G RAM, 1920x1200 screen and this video card: |
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|
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01:00.0 VGA compatible controller: nVidia Corporation G84 [GeForce 8600M GT] |
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(rev a1) |
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|
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and nvidia-drivers-260.19.12 |
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|
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KDE performance is pathetic especially with compositing enabled. It was really |
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bad sometime around 4.3 with that screw up in the driver for resizing windows. |
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Some releases are better, some worse. I'm getting disheartened trying to |
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figure out what to downgrade: mesa, xorg, drivers, kde.... |
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|
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A colleague has the identical machine running Ubuntu. Gnome flies on that. I |
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don't want to go to Ubuntu - I detest it on a laptop and detest Gnome even |
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more. I might go back to e17 and just put up with the reduced desktop |
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functionality. |
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|
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|
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|
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|
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> |
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> People have been complaining about it for years, KDE and |
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> nvidia-drivers don't always get along with each other. The usual |
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> answer is that it works with Intel and ATI cards, and Nvidia's drivers |
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> are closed-source, so nobody can guess what the problem is and all we |
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> can do is hope Nvidia in their ivory tower can one day bless us with |
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> an update that makes things better. And then of course there are |
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> people who have Nvidia cards and everything works great and they don't |
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> know what the complainers are talking about. :) |
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> |
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> In my personal experience, on my Nvidia machine KDE 4.2 was the |
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> fastest, and it has gotten slower with each subsequent KDE release |
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> (with 4.5 being the worst one yet - so bad that I've disabled |
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> compositing entirely). Or maybe it has gotten slower with each |
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> nvidia-drivers release over the same period of time, I can't say. |
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> Maybe it is all a coincidence. |
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> |
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> However, on my old laptop with xorg radeon drivers, it has been |
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> getting faster with each KDE release, with KDE 4.5 is the fastest one |
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> yet. Both machines run latest everything on ~amd64. The only |
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> significant configuration difference between the two is nvidia-drivers |
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> vs radeon. |
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|
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-- |
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alan dot mckinnon at gmail dot com |