PERF: Improve performance of hash sets in read_csv#25804

Merged

jreback merged 11 commits intopandas-dev:masterfrom

anmyachev:khash-na-sets

Mar 22, 2019

Commits on Mar 20, 2019

Increase hash table size to reduce hash collisions on NA_VALUES lookup
vnlitvinov
committed
changed macro errno to _error variable

anmyachev
authored and
vnlitvinov
committed
speed up kh_get_str by lookup table

anmyachev
authored and
vnlitvinov
committed
fix memory leak, try to speed up xstrtod

anmyachev
authored and
vnlitvinov
committed
more clean code in khash.pxd, parsers.pyx

anmyachev
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vnlitvinov
committed
fix indents

anmyachev
authored and
vnlitvinov
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Correct destroying of NA set table

anmyachev
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vnlitvinov
committed
cast first char symbol to unsigned char for functions for kh_str_starts_t khash struct

anmyachev
authored and
vnlitvinov
committed
Use PANDAS_INLINE instead of plain "static inline"

anmyachev
authored and
vnlitvinov
committed
Fix linting errors
vnlitvinov
committed
Added whatsnew entry
vnlitvinov
committed