Module for finding sequences in arrays using Cython and NumPy.

pip install cythonsequencefinder

Tested against Windows / Python 3.11 / Anaconda

Cython (and a C/C++ compiler) must be installed to use the optimized Cython implementation.

from time import perf_counter
import numpy as np
from cythonsequencefinder import np_search_sequence
from cythonsequencefinder import find_seq

seq = np.array([1, 2, 4, 5], dtype=np.int32)
sequence_size = len(seq)
arr = np.random.randint(low=0, high=10, size=1000000, dtype=np.int32)
start = perf_counter()
rax = find_seq(arr, seq, distance=1)
print(perf_counter() - start)
start = perf_counter()
rax2 = np_search_sequence(arr, seq, distance=1)
print(perf_counter() - start)
# 0.004291800003557 - cython
# 0.007874400005675852 - numpy

Metadata

Release files for cythonsequencefinder 0.10

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Source distribution for cythonsequencefinder 0.10
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cythonsequencefinder-0.10.tar.gz	21.4 kB	Nov 28, 2023	Without provenance	Details for cythonsequencefinder-0.10.tar.gz

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cythonsequencefinder-0.10-py3-none-any.whl 21.8 kB Nov 28, 2023 Without provenance	Python 3	none	any	Details for cythonsequencefinder-0.10-py3-none-any.whl

Total release size: 43.2 kB

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Download URL	cythonsequencefinder-0.10.tar.gz
Size	21.4 kB
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SHA-256 checksum How to use checksums	`20c22bda56db2a38009194d5f7cfb65ff354f441c7ef9da2bb1dca250fd43da8`
BLAKE2b-256 checksum How to use checksums	`70dacb7c548470670c930ada65ef93914242e1ccfa54415d19f68ccbd08bccd6`
Upload date	Nov 28, 2023
Uploaded using Trusted Publishing? What is trusted publishing?	No
Uploaded via	`twine/4.0.2 CPython/3.11.5`

Release files / cythonsequencefinder-0.10-py3-none-any.whl

Download URL	cythonsequencefinder-0.10-py3-none-any.whl
Size	21.8 kB
Tags	Python 3
SHA-256 checksum How to use checksums	`b65404d66417cb27de9ffea667c7cb7153dc7d0eeb695f8dc47835fde8c591f5`
BLAKE2b-256 checksum How to use checksums	`e31ce19b0cc93b7dc1beff61f382f065de273381089211b897c7557f03f4f997`
Upload date	Nov 28, 2023
Uploaded using Trusted Publishing? What is trusted publishing?	No
Uploaded via	`twine/4.0.2 CPython/3.11.5`

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0.10 This release

Nov 28, 2023 2 release files No provenance

cythonsequencefinder 0.10