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Thread: Performance problem between 320.00 and 320.18

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  1. #1
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    Performance problem between 320.00 and 320.18

    Anyone else experienced performance slowdown in this case?
    Personally I have a 4x(fps) slowdown. Every other version have worked perfectly until 320.18.

    Win7(64),gtx580

  2. #2
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    Well I get the feeling that I'm alone with this problem .
    The scenes are also rather "heavy" with lots of shaders, textures and so on.
    I don't think I have this problem in simple scenes, but it could be hidden by other things.

  3. #3
    Member Regular Contributor Nowhere-01's Avatar
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    just switched from 314.xx to 320.18 and see no measurable difference. i think you might check your control panel settings and run-throught your application with gDebugger with break on errors options checked.

  4. #4
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    I forgot to say that I'm running 4.2 core version.
    The problem also exists in debug-context, and I get no errors from that.

  5. #5
    Member Regular Contributor Nowhere-01's Avatar
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    in that case, you should disable features until you nail down the functionality that causes the slowdown. i use OpenGL 3.2 context. nothing even remotely esoteric, just rendering VAO's with vertex+fragment shaders, so there's not much to go wrong.

  6. #6
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    Thanks for the help.
    The problem is that it works perfectly with other versions so before digging deep I have to ask others, because it could be a driver thing.
    I switched back to 320.00(beta) and it worked as usual again.

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