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Thread: Nouveau Driver Power Management Against The NVIDIA Blob

  1. #11
    Join Date
    Jul 2011
    Florida USA

    Default Isn't worth much

    I have an HP desktop with nVidia GeFoorce 7100 video. Anything such as Fedora 15 or open SUSE trying to use the Nouveau drive either out and out kills my video or eventually caused everything to lock up. It may be great for tablets and netbooks but it isn't worth a shit for desktops!

  2. #12
    Join Date
    Jul 2009


    watts per frame in one and frequency/temperature/power in another graph would be very much appreciated

  3. #13
    Join Date
    Dec 2009


    Quote Originally Posted by jakubo View Post
    watts per frame in one and frequency/temperature/power in another graph would be very much appreciated
    Just divide the number of W by the number of FPS. Of course, it would be easier if the graph were on the same page, but you can do it regardless.

  4. #14
    Join Date
    Jul 2010


    Quote Originally Posted by Remote User View Post
    WRT the graphs on page 6 of the test results, showing more frames per second with the proprietary driver, then the comment that it is 'interesting' that the Nouveau driver uses less of the CPU, well, this is exactly what you would expect, and is not a surprise at all, because the increased frames per second is directly the result of the increased usage of the CPU by the proprietary driver.
    You totally stole my post. The driver is indeed the bottleneck there.

  5. #15
    Join Date
    Jul 2008

    Thumbs down

    Quote Originally Posted by Phoronix
    Interestingly, when using the NVIDIA driver its core temperature was higher than the Nouveau driver for the GeForce 8 series. For the GeForce 9 series, the core temperature was lower. This is quite odd that the NVIDIA driver produced a higher core temperature while being more power efficient, but perhaps there is a bug in the GeForce 8 series reverse-engineered thermal sensor code that is causing the core temperature to be lower than it actually is running.
    Have you thought about monitoring fan speeds? The nvidia binary driver switches between different performance levels according to the gpu-load.
    In many graphic cards bios a fan speed value is set for each performance level
    (take a look at nvidia-settings powermizer).
    The nouveau driver, like earlier stated, does not automatically switch between different performance levels.
    Overall it would be much much more interesting to see, if it is possible to lower the power consumption of the nouveau driver.

    Would be great if the article could be updated...

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