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Previewing The Radeon Gallium3D Shader Optimizations

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  • vljn
    replied
    I'm a bit surprised with Unigine results, in the Heaven demo there is a significant performance improvement due to better shader, with llvm or sb backend.
    Lightmark 2008.2 is also a benchmark where compiled shaders quality matters too.

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  • gigaplex
    replied
    He's made many significant optimizations that affect the open-source AMD Linux driver's performance.
    When pushing through higher-quality shaders, the shader back-end begins to show off. The Radeon HD 6570 and HD 6770 graphics cards showed a noticeable improvement in performance via the "R600_DEBUG=sb" option for the shader back-end optimizations.
    The benchmarks disagree with these comments, none of them showed a significant performance improvement.

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