The results are hardly surprising:
- Nvidia provides the whole OpenGL stack on Windows, which is very well optimized. On Mac OS X, half of the stack is provided by Apple and it is safe to say that this causes the performance deficit.
- Intel provides the whole OpenGL stack on Windows, which is pretty awful (especially on older parts like the GMA950). It is safe to say that Apple's stack outperforms Intel's stack here.
- Intel's OSS stack is less optimized than the Intel/Windows and Apple/Mac OS X stacks. (Nvidia's OSS stack is even less optimized).
AMD/ATI results would be an interesting addition to the mix.
- Nvidia provides the whole OpenGL stack on Windows, which is very well optimized. On Mac OS X, half of the stack is provided by Apple and it is safe to say that this causes the performance deficit.
- Intel provides the whole OpenGL stack on Windows, which is pretty awful (especially on older parts like the GMA950). It is safe to say that Apple's stack outperforms Intel's stack here.
- Intel's OSS stack is less optimized than the Intel/Windows and Apple/Mac OS X stacks. (Nvidia's OSS stack is even less optimized).
AMD/ATI results would be an interesting addition to the mix.
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