LLVM 3.3 Improves Its Loop Vectorizer

[phoronix]

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

[nadav]

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

[kernelOfTruth]

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 !