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r300g: Is it really accelerated?

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  • #31
    Possible difference between Win7 and fglrx

    Originally posted by tball View Post
    I practically never use windows 7, but here are the benchmark result:
    173.9 fps, while playing an audio file.
    Could fglrx be trying to sync with your monitor, assuming your monitor has a refresh rate of 60Hz? 173.9 fps obviously isn't sync'ed.

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    • #32
      Originally posted by chrisr View Post
      Could fglrx be trying to sync with your monitor, assuming your monitor has a refresh rate of 60Hz? 173.9 fps obviously isn't sync'ed.
      Sure it was synced
      Here are the right results:

      Code:
      Ubuntu 10.10 with fglrx 10.10 beta:
      Test Results:
              156.51
              131.71
              121.46
              117.14
      
      Windows 7, fglrx 10.x?
      Test Result:
              173.9
      I wonder why it decreases so much?

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      • #33
        Originally posted by elanthis View Post
        In all honesty, that sounds a lot less like a driver problem and a lot more like malfunctioning hardware. Actually seeing the corruption in question might help narrow it down a bit more, though.

        I regularly run very intensive OpenGL apps in windows on my ATI card with no issues. While it's certainly possible your benchmark app hits some particular driver path that isn't as stable as what my apps hit, the "runs fine for a bit, gets corrupted looking, crashes" is almost the textbook prime symptom of an over-heating GPU.
        It could be the case, CCC on WinXP is overclocking the R520 and making it unstable. I never checked that CCC for ages now.

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