[issue28509] dict.update allocates too much

Raymond Hettinger report at bugs.python.org
Wed Oct 26 00:17:40 EDT 2016


Raymond Hettinger added the comment:

FWIW, I prefer the existing code be left as is.   We've already greatly compacted the dictionaries.  There is no need to be ultra-aggressive in shaving off every little corner.  There is some advantage to having the dict be more sparse (fewer collisions, quicker insertion time for the update, quicker lookups etc).

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