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NVIDIA Dropping 32-bit Linux Support For CUDA

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  • NVIDIA Dropping 32-bit Linux Support For CUDA

    Phoronix: NVIDIA Dropping 32-bit Linux Support For CUDA

    If you are reliant upon NVIDIA's CUDA computing parallel computing platform, hopefully you're running 64-bit Linux. NVIDIA announced their plans on Friday to deprecate the 32-bit Linux x86 CUDA Toolkit and the 32-bit Linux CUDA driver...

    http://www.phoronix.com/vr.php?view=MTUwODg

  • #2
    Don't care about their CUDA, but using a 32 bit OS for this is (almost?) always stupid so what they're doing makes sense.

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    • #3
      I'm fine with them dropping 32 bit, because I'd really like to know who is dumb enough to *need* CUDA on a 32 bit (x86) system. But remove x86-64 as well? What's nvidia smoking? Linux is known for it's server tasks and CUDA makes excellent server software. Unless nvidia is losing to openCL, I see no gain in them ditching 64 bit CUDA support.

      What really surprises me is how nvidia hasn't made an ARM server platform with PCI-e 16x lanes. I'm not sure how much CPU overhead goes into CUDA servers but I would assume an ARM CPU (with a passive heatsink) could get the job done just as well as an x86. With nvidia making the entire system themselves, that can save them a lot of money rather than supporting their rivals.

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      • #4
        They are dropping all compute support for x86 32bit:
        NVIDIA support for developing and running 32-bit Linux-x86 CUDA and OpenCL applications is deprecated

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        • #5
          Originally posted by schmidtbag View Post
          I'm fine with them dropping 32 bit, because I'd really like to know who is dumb enough to *need* CUDA on a 32 bit (x86) system. But remove x86-64 as well? What's nvidia smoking?
          You misunderstood. They're not removing 64-bit support. They simply might not bundle the CUDA driver together with the graphics driver anymore. Might be a different download in the future.

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          • #6
            Originally posted by RealNC View Post
            You misunderstood. They're not removing 64-bit support. They simply might not bundle the CUDA driver together with the graphics driver anymore. Might be a different download in the future.
            Ah ok. That's not so bad then. In fact, I think I'd prefer that (if I had a GPU worth doing CUDA on anyway).

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            • #7
              Originally posted by schmidtbag View Post
              What really surprises me is how nvidia hasn't made an ARM server platform with PCI-e 16x lanes. I'm not sure how much CPU overhead goes into CUDA servers but I would assume an ARM CPU (with a passive heatsink) could get the job done just as well as an x86. With nvidia making the entire system themselves, that can save them a lot of money rather than supporting their rivals.
              They're working on it.

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              • #8
                Originally posted by log0 View Post
                They are dropping all compute support for x86 32bit:
                All? Including compute shaders?

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                • #9
                  Originally posted by ChrisXY View Post
                  All? Including compute shaders?
                  I guess it depends on whether you see opengl compute shaders as equivalent to opencl/cuda.

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                  • #10
                    If you are trying to use 32bit for high-performance computing in the first place you are doing it wrong.

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