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LLVM 3.3 Improves Its Loop Vectorizer

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  • LLVM 3.3 Improves Its Loop Vectorizer

    Phoronix: LLVM 3.3 Improves Its Loop Vectorizer

    The release of LLVM 3.3 is still months away, but one of its features already are notable improvements to its loop vectorizer...

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

  • #2
    Update

    Originally posted by phoronix View Post
    Phoronix: LLVM 3.3 Improves Its Loop Vectorizer

    The release of LLVM 3.3 is still months away, but one of its features already are notable improvements to its loop vectorizer...

    http://www.phoronix.com/vr.php?view=MTMwMTk
    The Loop vectorizer is now enabled by default when -O3 is used. Clang now has flags for controlling the loop vectorizer: -fvectorize and -fno-vectorize.

    Here are some benchmarks numbers on the LLVM page:

    http://llvm.org/docs/Vectorizers.html#performance

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    • #3
      Originally posted by nadav View Post
      The Loop vectorizer is now enabled by default when -O3 is used. Clang now has flags for controlling the loop vectorizer: -fvectorize and -fno-vectorize.

      Here are some benchmarks numbers on the LLVM page:

      http://llvm.org/docs/Vectorizers.html#performance
      looks good - thanks !

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