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| author | Mark Harfouche <mark.harfouche@gmail.com> | 2018-10-05 20:35:13 -0400 |
|---|---|---|
| committer | Mark Harfouche <mark.harfouche@gmail.com> | 2018-10-20 21:02:55 -0400 |
| commit | c5f21f6a2279ca7f207f3298c30316f8b886a5d4 (patch) | |
| tree | 9ed1d4473d910a9831577cc9e7d4d7aa06783372 /doc | |
| parent | d9824ad5723522b4802e3fc2593d001c6e4580a7 (diff) | |
| download | numpy-c5f21f6a2279ca7f207f3298c30316f8b886a5d4.tar.gz | |
DOC: Add a release note about the slice based blocking algorithm
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/release/1.16.0-notes.rst | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/doc/release/1.16.0-notes.rst b/doc/release/1.16.0-notes.rst index 599123f97..60980b122 100644 --- a/doc/release/1.16.0-notes.rst +++ b/doc/release/1.16.0-notes.rst @@ -246,6 +246,14 @@ Previously we had a broken default that sometimes would not report underflow, overflow, and invalid floating point operations. Now we can support non-glibc distrubutions like Alpine Linux as long as they ship `fenv.h`. +Speedup ``np.block`` for large arrays +------------------------------------- +Large arrays (greater than ``512 * 512``) now use a blocking algorithm based on +copying the data directly into the appropriate slice of the resulting array. +This results in significant speedups for these large arrays, particularly for +arrays being blocked along more than 2 dimensions. + + Changes ======= |