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| -rw-r--r-- | doc/release/1.15.0-notes.rst | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/doc/release/1.15.0-notes.rst b/doc/release/1.15.0-notes.rst index fc2af11a2..3c7d3fd61 100644 --- a/doc/release/1.15.0-notes.rst +++ b/doc/release/1.15.0-notes.rst @@ -222,5 +222,13 @@ the user wants to perform a stable sort thus harming the readability. This change allows the user to specify kind='stable' thus clarifying the intent. +Do not make temporary copies for in-place accumulation +------------------------------------------------------ +When ufuncs perform accumulation they no longer make temporary copies because +of the overlap between input an output, that is, the next element accumulated +is added before the accumulated result is stored in its place, hence the +overlap is safe. Avoiding the copy results in faster execution. + + Changes ======= |