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Double Precision Support For RadeonSI Driver

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  • Double Precision Support For RadeonSI Driver

    Phoronix: Double Precision Support For RadeonSI Driver

    Double precision support is to be merged into the AMD LLVM back-end for the Radeon HD 7000 "RadeonSI" graphics cards on the open-source Linux graphics driver...

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

  • #2
    Benefit?

    What benefit does this provide?

    Does it make more games run?
    Does it make games faster?

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    • #3
      Originally posted by uid313 View Post
      What benefit does this provide?

      Does it make more games run?
      Does it make games faster?
      It allow for execution of code that require double precision. That is good for OpenCL on radeonSI (as there may be some apps that are just needed double precision to run). But it have no imediate result for OpenGL, as double precision is used with OpenGL 3/4 which aint supported by radeonSI right now.


      So it could enable some computational apps to run on radeonSI, but it will not improve current apps/games (as those use single precision, which performance is unrelated to support of double precision).

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