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document the performance fix to builtin_sum().

This commit is contained in:
Alex Martelli 2003-10-25 13:02:57 +00:00
parent a2777d3a55
commit dd6664514f
1 changed files with 6 additions and 0 deletions
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@ -23,6 +23,9 @@ Core and builtins
starting with Py2.3 are guaranteed to be stable (the relative order of
records with equal keys is unchanged).
- Added a list.copysort() method that returns a copy of the sorted list
while leaving the original intact.
- Added test whether wchar_t is signed or not. A signed wchar_t is not
usable as internal unicode type base for Py_UNICODE since the
unicode implementation assumes an unsigned type.
@ -44,6 +47,9 @@ Core and builtins
- obj.__contains__() now returns True/False instead of 1/0. SF patch
820195.
- builtin_sum() now uses PyNumber_InPlaceAdd, fixing a previous
performance bug for sum(list_of_lists) and similar cases.
Extension modules
-----------------