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Diffstat (limited to 'doc/release')
| -rw-r--r-- | doc/release/1.11.0-notes.rst | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/doc/release/1.11.0-notes.rst b/doc/release/1.11.0-notes.rst index 7c2ed2133..fac868ca3 100644 --- a/doc/release/1.11.0-notes.rst +++ b/doc/release/1.11.0-notes.rst @@ -91,6 +91,13 @@ The function now internally calls the generic ``npy_amergesort`` when the type does not implement a merge-sort kind of ``argsort`` method. +Memory and speed improvements for masked arrays +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +Creating a masked array with ``mask=True`` (resp. ``mask=False``) now uses +``np.ones`` (resp. ``np.zeros``) to create the mask, which is faster and avoid +a big memory peak. Another optimization was done to avoid a memory peak and +useless computations when printing a masked array. + Changes ======= |