python3-cykhash

cython wrapper for khash-sets/maps, efficient implementation of isin and unique

Description

Cykhash is a cython wrapper for khash-sets/maps, efficient implementation of isin and unique.

* Brings functionality of khash to Python and Cython and can be used

seamlessly in numpy or pandas.

* Numpy's world is lacking the concept of a (hash-)set. This

shortcoming is fixed and efficient (memory- and speedwise compared

to pandas') unique and isin are implemented.

* Python-set/dict have big memory-footprint. For some datatypes the

overhead can be reduced by using khash by factor 4-8.

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