Miguel Turner dhagrow

rafbarr / _feature_hasher.pyx

Created October 2, 2016 09:58

Very efficient implementation of feature hashing for Python.

	# distutils: language=c++

	import collections
	import operator

	from cpython.bytes cimport PyBytes_AS_STRING, PyBytes_GET_SIZE
	import cython
	import numpy as np
	import pandas as pd
	from libc.stdint cimport uint8_t, uint32_t