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LLVM 3.3 Improves Its Loop Vectorizer

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  • phoronix
    started a topic LLVM 3.3 Improves Its Loop Vectorizer

    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

  • kernelOfTruth
    replied
    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 !

    Leave a comment:


  • nadav
    replied
    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

    Leave a comment:

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