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Thread: KDE Plasma 4.8 Boosts Speed, Power Management

  1. #11
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    Jul 2010
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    Quote Originally Posted by ChrisXY View Post
    ...plasma crashes most often when...
    What I find myself wondering is *why*? This is not some new tranistory condition. KDE has been segfaulty at least back to KDE3. Maybe KDE2. I can't remember. Is it an underlying QT problem, I wonder?

  2. #12
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    Jul 2010
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    Quote Originally Posted by ERRod43h View Post
    many bugs are hardware related
    If one desktop segfaults due to "hardware related" problems, and the other desktops have incorporated work-around patches, then it's still a bug in the desktop. Pointing fingers at the hardware doesn't help. The segfaulting desktop in question doesn't work. Period. No matter whose fault it is.

  3. #13

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    Quote Originally Posted by ChrisXY View Post
    How about finally fixing the default plasma-desktop so that it doesn't segfault all the time? It seemed to be quite good in 4.7.[0-2] but with 4.7.3 it is already as bad as before.

    I use the open source radeon driver on a HD 6550 and I really welcome the performance fixes. At the moment I don't use the compositing at all because I don't want kwin to idle at 10-15% cpu and I don't want it to need > 25% cpu just to display a non-moving firefox. OpenGL 2 Shaders are not feasible to activate: While moving windows they really, really lag behind the mouse pointer.
    On the "mid" power profile the desktop effects are quite horrible on OpenGL and OpenGL ES 2.0 and usable on XRender. When switching to the raster graphics system OpenGL finally looks quite well, but the cpu usage is really not nice, even when idling.

    It's a bit sad to see such an advanced window manager still fighting with this sort of performance problems but hopefully 4.8 will fix this.
    Gentoo's developers patched kwin 4.7.3 by backporting fixes from kwin 4.8 to fix these issues. It is quite solid.

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