[Numpy-svn] [numpy/numpy] e72b7e: ENH: optimize srcstride0 copy with O3

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/numpy/numpy
  Commit: e72b7e9a51107ba77db0473bf9fd3b6b4fb0f954
      https://github.com/numpy/numpy/commit/e72b7e9a51107ba77db0473bf9fd3b6b4fb0f954
  Author: Julian Taylor <jtaylor.debian at googlemail.com>
  Date:   2014-03-18 (Tue, 18 Mar 2014)

  Changed paths:
    M numpy/core/include/numpy/npy_common.h
    M numpy/core/setup_common.py
    M numpy/core/src/multiarray/lowlevel_strided_loops.c.src

  Log Message:
  -----------
  ENH: optimize srcstride0 copy with O3

enables autovectorization with gcc and improves performance by about 25% for cached data.


  Commit: 4f3a20436802c68d296095744d2f014499c63785
      https://github.com/numpy/numpy/commit/4f3a20436802c68d296095744d2f014499c63785
  Author: Charles Harris <charlesr.harris at gmail.com>
  Date:   2014-03-22 (Sat, 22 Mar 2014)

  Changed paths:
    M numpy/core/include/numpy/npy_common.h
    M numpy/core/setup_common.py
    M numpy/core/src/multiarray/lowlevel_strided_loops.c.src

  Log Message:
  -----------
  Merge pull request #4512 from juliantaylor/opt-srcstride0-copy

ENH: optimize srcstride0 copy with O3


Compare: https://github.com/numpy/numpy/compare/af69b3fe1b2b...4f3a20436802