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Nouveau Advances NVIDIA NVF0/GK110 Support

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  • #16
    Originally posted by calim View Post
    Pull what off ? Don't you read phoronix ? Nouveau wipes the floor with Southern Islands on a GPU that has been released even later and runs at 1/10th its maximum clock speed: http://openbenchmarking.org/result/1...SO-KEPLERSOU42
    SI is running at 1/10th it's clock speed too, and the next kernel out is actually going to fix that. There doesn't seem to be much progress on the nouveau side, or at least not publicly.

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    • #17
      Originally posted by smitty3268 View Post
      SI is running at 1/10th it's clock speed too, and the next kernel out is actually going to fix that. There doesn't seem to be much progress on the nouveau side, or at least not publicly.
      Don't spoil my flicker of hope. Nouveau is also running at 1/10th the manpower. Which is probably why he's right, we might not be able to pull it off ... who knows.

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      • #18
        If building for open drivers use older hardware

        Originally posted by calim View Post
        Pull what off ? Don't you read phoronix ? Nouveau wipes the floor with Southern Islands on a GPU that has been released even later and runs at 1/10th its maximum clock speed: http://openbenchmarking.org/result/1...SO-KEPLERSOU42
        As the open drivers have not had time to mature. Usually the closed drivers dump support for older hardware, the open source drivers take time to be optimized for newly released hardware. With AMD, for instance, only HD5000 and HD6000 series Radeons are sumultaniously supported well on both open and closed drivers, for instance.

        If you build a machine from the start to get high graphics performance with open drivers, your options are Intel or AMD, and AMD offers far more powerful cards than what Intel puts in any APU. The Geforce 9800+ also reclocks and runs very well with Nouveau, but is a power hog for the amount of performance offered.

        OK, you buy a new card for maximum performance, with the intent of running the closed driver. You probably buy Nvidia due to the quality of their closed driver. When that driver dumps support for your card, do you want to have to buy a new card, or would you rather be able to switch to Nouveau and have Nouveau have caught up by that time. By the time AMD's catalyst dumps Evergreen and Northern Islands, I suspect Radeon will be so close it won't matter. If you think Nouveau won't be able to do the same, better buy a Radeon 8000 series, run Catalyst now, and know that Radeon will be ready when Catalyst dumps it. The net effect of both drivers existing is Linux support from day of release until the card dies from electromigration.

        Five years down the road, Titan will be an old card that the binary blob supports only in a legacy version, but hopefully with excellent Nouveau support. So will the whole series of Fermi and Kepler cards-and all those laptops with hard to change out mobile versions of them. Unless we want to throw away perfectly good hardware in an age where locked bootloaders and walled gardens threaten, we had damned well better support the development of open source drivers whose lifespans are measured in decades, not years. How few years of Catalyst support did the Radeon HD4000's and all those boards with them as embedded graphics get?

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