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authorGengxin Xie <gengxin.xie@intel.com>2020-04-07 15:17:01 +0800
committerGengxin Xie <gengxin.xie@intel.com>2020-04-07 15:17:01 +0800
commit1cabf5bf7d494c02e019a77049614a45beae6bdc (patch)
tree5bd3ba654e936239f9a3af591a0fa52bafb86e60
parentd3f5fc5daa1f9db8d8364e28b7c2688ce91f17b4 (diff)
downloadnumpy-1cabf5bf7d494c02e019a77049614a45beae6bdc.tar.gz
DOC: Release note about upcoming changes
-rw-r--r--doc/release/upcoming_changes/15648.improvement.rst7
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diff --git a/doc/release/upcoming_changes/15648.improvement.rst b/doc/release/upcoming_changes/15648.improvement.rst
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+Use AVX512 intrinsic to implement ``np.exp`` when input is ``np.float64``
+-------------------------------------------------------------------------
+Use AVX512 intrinsic to implement ``np.exp`` when input is ``np.float64``,
+which can imporve the performance of ``np.exp`` with ``np.float64`` input 5-7x
+faster than before. The _multiarray_umath.so module has grown about 63 kB on
+linux64.
+