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| author | Julian Taylor <jtaylor.debian@googlemail.com> | 2013-10-16 19:49:47 +0200 |
|---|---|---|
| committer | Julian Taylor <jtaylor.debian@googlemail.com> | 2013-10-17 01:01:59 +0200 |
| commit | 7d4ea165817fc613c79bb92ccb3844df94d1beed (patch) | |
| tree | 708b52ceaefb48fc41343cf0d81ac8fdd9fab4f0 /numpy/polynomial/polyutils.py | |
| parent | 935017cbc3a336f66a110b53d2b595fffc8adbd7 (diff) | |
| download | numpy-7d4ea165817fc613c79bb92ccb3844df94d1beed.tar.gz | |
ENH: improve npy_memchr(p, 0) by using __builtin_ctz (tzcnt on x86)
Improves sparse mask performance by about a factor of three, the worst
case of no consecutive mask elements slows down by about 10%-15%.
Diffstat (limited to 'numpy/polynomial/polyutils.py')
0 files changed, 0 insertions, 0 deletions