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authorJulian Taylor <jtaylor.debian@googlemail.com>2014-03-03 23:14:33 +0100
committerJulian Taylor <jtaylor.debian@googlemail.com>2014-03-04 00:02:48 +0100
commit8fca578e615979def5333325068629922c0e415a (patch)
treec81b205a7ec6cd20c4696668c85cd66abc36cc37 /numpy/core/function_base.py
parentd4c7c3a69a0dc2458c876dd17a15b1a18b179fd8 (diff)
downloadnumpy-8fca578e615979def5333325068629922c0e415a.tar.gz
ENH: improve vectorization of float comparisons
Unroll and use pack instructions instead of slowish movemask with lookup table. Doubles performance AMD phenoms and about 30% on Intel haswells. Core2 also gain a few percent.
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