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Title: GitHub - ashvardanian/StringZilla: Up to 100x faster strings for C, C++, CUDA, Python, Rust, Swift, JS, & Go, leveraging NEON, AVX2, AVX-512, SVE, GPGPU, & SWAR to accelerate search, hashing, sorting, edit distances, sketches, and memory ops 🦖 · GitHub

Open Graph Title: GitHub - ashvardanian/StringZilla: Up to 100x faster strings for C, C++, CUDA, Python, Rust, Swift, JS, & Go, leveraging NEON, AVX2, AVX-512, SVE, GPGPU, & SWAR to accelerate search, hashing, sorting, edit distances, sketches, and memory ops 🦖

X Title: GitHub - ashvardanian/StringZilla: Up to 100x faster strings for C, C++, CUDA, Python, Rust, Swift, JS, & Go, leveraging NEON, AVX2, AVX-512, SVE, GPGPU, & SWAR to accelerate search, hashing, sorting, edit distances, sketches, and memory ops 🦖

Description: Up to 100x faster strings for C, C++, CUDA, Python, Rust, Swift, JS, & Go, leveraging NEON, AVX2, AVX-512, SVE, GPGPU, & SWAR to accelerate search, hashing, sorting, edit distances, sketches, and memory ops 🦖 - ashvardanian/StringZilla

Open Graph Description: Up to 100x faster strings for C, C++, CUDA, Python, Rust, Swift, JS, & Go, leveraging NEON, AVX2, AVX-512, SVE, GPGPU, & SWAR to accelerate search, hashing, sorting, edit distances, sketche...

X Description: Up to 100x faster strings for C, C++, CUDA, Python, Rust, Swift, JS, & Go, leveraging NEON, AVX2, AVX-512, SVE, GPGPU, & SWAR to accelerate search, hashing, sorting, edit distances,...

Opengraph URL: https://github.com/ashvardanian/StringZilla

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Domain: github.com

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Cargo.tomlhttps://github.com/ashvardanian/StringZilla/blob/main/Cargo.toml
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README.mdhttps://github.com/ashvardanian/StringZilla/blob/main/README.md
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binding.gyphttps://github.com/ashvardanian/StringZilla/blob/main/binding.gyp
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build.rshttps://github.com/ashvardanian/StringZilla/blob/main/build.rs
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build_backend.pyhttps://github.com/ashvardanian/StringZilla/blob/main/build_backend.py
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package.jsonhttps://github.com/ashvardanian/StringZilla/blob/main/package.json
pyproject.tomlhttps://github.com/ashvardanian/StringZilla/blob/main/pyproject.toml
pyproject.tomlhttps://github.com/ashvardanian/StringZilla/blob/main/pyproject.toml
rustfmt.tomlhttps://github.com/ashvardanian/StringZilla/blob/main/rustfmt.toml
rustfmt.tomlhttps://github.com/ashvardanian/StringZilla/blob/main/rustfmt.toml
setup.pyhttps://github.com/ashvardanian/StringZilla/blob/main/setup.py
setup.pyhttps://github.com/ashvardanian/StringZilla/blob/main/setup.py
READMEhttps://github.com/ashvardanian/stringzilla
Contributinghttps://github.com/ashvardanian/stringzilla
Apache-2.0 licensehttps://github.com/ashvardanian/stringzilla
https://github.com/ashvardanian/stringzilla#stringzilla-
https://github.com/ashvardanian/ashvardanian/blob/master/repositories/StringZilla-v4.jpg?raw=true
https://github.com/ashvardanian/stringzilla
https://crates.io/crates/stringzilla
https://camo.githubusercontent.com/8fc516dbf09c764f58b2de444cf4c6ffab9a07a6dba19f9ee199e8d88467f40b/68747470733a2f2f696d672e736869656c64732e696f2f6769746875622f6c616e6775616765732f636f64652d73697a652f61736876617264616e69616e2f737472696e677a696c6c61
SIMDhttps://en.wikipedia.org/wiki/Single_instruction,_multiple_data
SWARhttps://en.wikipedia.org/wiki/SWAR
Chttps://github.com/ashvardanian/stringzilla#basic-usage-with-c-99-and-newer
C++https://github.com/ashvardanian/stringzilla#basic-usage-with-c-11-and-newer
CUDAhttps://github.com/ashvardanian/stringzilla#cuda
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Gohttps://github.com/ashvardanian/stringzilla#quick-start-golang
Swifthttps://github.com/ashvardanian/stringzilla#quick-start-swift
JavaScripthttps://github.com/ashvardanian/stringzilla#quick-start-javascript
Shellhttps://github.com/ashvardanian/StringZilla-CLI
Algorithms & Design Decisionshttps://github.com/ashvardanian/stringzilla#algorithms--design-decisions
"good first issues"https://github.com/ashvardanian/StringZilla/issues
guidehttps://github.com/ashvardanian/StringZilla/blob/main/CONTRIBUTING.md
mehttps://github.com/ashvardanian
CommonCrawlhttps://commoncrawl.org/
RedPajamahttps://github.com/togethercomputer/RedPajama-Data
LAIONhttps://laion.ai/blog/laion-5b/
USearchhttps://github.com/unum-cloud/usearch
DBMShttps://en.wikipedia.org/wiki/Database
https://github.com/ashvardanian/stringzilla#performance
CONTRIBUTING.mdhttps://github.com/ashvardanian/StringZilla/blob/main/CONTRIBUTING.md
StringWarshttps://github.com/ashvardanian/StringWars
HashEvalshttps://github.com/ashvardanian/HashEvals
Mersenne Twisterhttps://en.wikipedia.org/wiki/Mersenne_Twister
implemented in Chttps://github.com/biopython/biopython/blob/master/Bio/Align/_pairwisealigner.c
https://github.com/ashvardanian/stringzilla#functionality
https://github.com/ashvardanian/stringzilla#quick-start-python
https://github.com/ashvardanian/stringzilla#basic-usage
https://github.com/ashvardanian/stringzilla#basic-operations
https://github.com/ashvardanian/stringzilla#advanced-operations
native versionhttps://docs.python.org/3/library/stdtypes.html#str.splitlines
https://github.com/ashvardanian/stringzilla#character-set-operations
https://github.com/ashvardanian/stringzilla#hash
https://github.com/ashvardanian/stringzilla#sha-256-checksums
https://github.com/ashvardanian/stringzilla#unicode-case-folding-and-case-insensitive-search
https://github.com/ashvardanian/stringzilla#collection-level-operations
RedPajamahttps://github.com/togethercomputer/RedPajama-Data
https://github.com/ashvardanian/stringzilla#iterators-and-memory-efficiency
https://github.com/ashvardanian/stringzilla#low-level-python-api
without any intermediate tools like SWIG or PyBindhttps://ashvardanian.com/posts/pybind11-cpython-tutorial/
https://github.com/ashvardanian/stringzilla#similarity-scores
JellyFishhttps://github.com/jamesturk/jellyfish
EditDistancehttps://github.com/roy-ht/editdistance
BioPythonhttps://github.com/biopython/biopython
https://github.com/ashvardanian/stringzilla#rolling-fingerprints
https://github.com/ashvardanian/stringzilla#serialization
https://github.com/ashvardanian/stringzilla#filesystem
https://github.com/ashvardanian/stringzilla#pyarrow
PyArrowhttps://arrow.apache.org/docs/python/arrays.html#string-and-binary-types
StringTapehttps://github.com/ashvardanian/StringTape
https://github.com/ashvardanian/stringzilla#quick-start-cc
dynamic runtime dispatchhttps://github.com/ashvardanian/stringzilla#dynamic-dispatch
https://github.com/ashvardanian/stringzilla#basic-usage-with-c-99-and-newer
https://github.com/ashvardanian/stringzilla#basic-usage-with-c-11-and-newer
Small String Optimizationhttps://cpp-optimizations.netlify.app/small_strings/
similar to STLhttps://en.cppreference.com/w/cpp/string/basic_string_view/operator%22%22sv
https://github.com/ashvardanian/stringzilla#unicode-case-folding-and-case-insensitive-search-1
https://github.com/ashvardanian/stringzilla#similarity-scores-1
https://github.com/ashvardanian/stringzilla#rolling-fingerprints-1
https://github.com/ashvardanian/stringzilla#cuda
https://github.com/ashvardanian/stringzilla#memory-ownership-and-small-string-optimization
Small String Optimizationhttps://cpp-optimizations.netlify.app/small_strings/
simple Gisthttps://gist.github.com/ashvardanian/c197f15732d9855c4e070797adf17b21
can store 15 byteshttps://developer.apple.com/documentation/swift/substring/withutf8(_:)#discussion
https://github.com/ashvardanian/stringzilla#whats-wrong-with-the-c-standard-library
partially addresses those issueshttps://github.com/ashvardanian/stringzilla#unicode-utf-8-and-wide-characters
https://github.com/ashvardanian/stringzilla#whats-wrong-with-the-c-standard-library-1
14 overloads of std::string::replacehttps://en.cppreference.com/w/cpp/string/basic_string/replace
https://github.com/ashvardanian/stringzilla#beyond-the-c-standard-library---learning-from-python
Splits and Rangeshttps://github.com/ashvardanian/stringzilla#splits-and-ranges
Concatenating Strings without Allocationshttps://github.com/ashvardanian/stringzilla#concatenating-strings-without-allocations
Random Generationhttps://github.com/ashvardanian/stringzilla#random-generation
Edit Distances and Fuzzy Searchhttps://github.com/ashvardanian/stringzilla#levenshtein-edit-distance-and-alignment-scores
https://github.com/ashvardanian/stringzilla#splits-and-ranges
StackOverflow lookupshttps://stackoverflow.com/questions/14265581/parse-split-a-string-in-c-using-string-delimiter-standard-c
Range-v3https://github.com/ericniebler/range-v3
https://github.com/ashvardanian/stringzilla#concatenating-strings-without-allocations
https://github.com/ashvardanian/stringzilla#random-generation
https://github.com/ashvardanian/stringzilla#bulk-replacements
https://github.com/ashvardanian/stringzilla#sorting-in-c-and-c
different arguments orderhttps://stackoverflow.com/a/39561369
https://github.com/ashvardanian/stringzilla#standard-c-containers-with-string-keys
https://github.com/ashvardanian/stringzilla#compilation-settings-and-debugging
LD_PRELOAD trickhttps://ashvardanian.com/posts/ld-preload-libsee
undefined for NULL inputshttps://developers.redhat.com/articles/2024/12/11/making-memcpynull-null-0-well-defined
https://github.com/ashvardanian/stringzilla#quick-start-rust
docs.rs/stringzillahttps://docs.rs/stringzilla
https://github.com/ashvardanian/stringzilla#hash-1
https://github.com/ashvardanian/stringzilla#sha-256-checksums-1
https://github.com/ashvardanian/stringzilla#unicode-case-folding-and-case-insensitive-search-2
https://github.com/ashvardanian/stringzilla#similarity-scores-2
StringTapehttps://github.com/ashvardanian/StringTape
https://github.com/ashvardanian/stringzilla#rolling-fingerprints-2
StringTapehttps://github.com/ashvardanian/StringTape
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https://github.com/ashvardanian/stringzilla#unicode-case-folding-and-case-insensitive-search-3
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https://github.com/ashvardanian/stringzilla#hash-4
https://github.com/ashvardanian/stringzilla#sha-256-checksums-4
https://github.com/ashvardanian/stringzilla#algorithms--design-decisions
Fork Unionhttps://github.com/ashvardanian/fork_union
https://github.com/ashvardanian/stringzilla#exact-substring-search
StringZilla/include/stringzilla/find.hhttps://github.com/ashvardanian/StringZilla/blob/e1966de91600298d3c5cf4fe7be40d434f0f405e/include/stringzilla/find.h#L422-L463
e1966dehttps://github.com/ashvardanian/StringZilla/commit/e1966de91600298d3c5cf4fe7be40d434f0f405e
StringZilla/include/stringzilla/find.hhttps://github.com/ashvardanian/StringZilla/blob/e1966de91600298d3c5cf4fe7be40d434f0f405e/include/stringzilla/find.h#L620-L667
e1966dehttps://github.com/ashvardanian/StringZilla/commit/e1966de91600298d3c5cf4fe7be40d434f0f405e
StringZilla/include/stringzilla/find.hhttps://github.com/ashvardanian/StringZilla/blob/e1966de91600298d3c5cf4fe7be40d434f0f405e/include/stringzilla/find.h#L244-L305
e1966dehttps://github.com/ashvardanian/StringZilla/commit/e1966de91600298d3c5cf4fe7be40d434f0f405e
Exact String Matching Algorithms in Javahttps://www-igm.univ-mlv.fr/~lecroq/string
SIMD-friendly algorithms for substring searchinghttp://0x80.pl/articles/simd-strfind.html
https://github.com/ashvardanian/stringzilla#exact-multiple-substring-search
https://github.com/ashvardanian/stringzilla#levenshtein-edit-distance
RapidFuzzhttps://github.com/rapidfuzz/RapidFuzz
Faster Levenshtein Distances with a SIMD-friendly Traversal Orderhttps://ashvardanian.com/posts/levenshtein-diagonal
https://github.com/ashvardanian/stringzilla#needleman-wunsch-and-smith-waterman-scores-for-bioinformatics
DNAhttps://en.wikipedia.org/wiki/DNA
RNAhttps://en.wikipedia.org/wiki/RNA
Proteinshttps://en.wikipedia.org/wiki/Protein
dipeptidehttps://en.wikipedia.org/wiki/Dipeptide
Titinhttps://en.wikipedia.org/wiki/Titin
BLOSUMhttps://en.wikipedia.org/wiki/BLOSUM
PAMhttps://en.wikipedia.org/wiki/Point_accepted_mutation
https://github.com/ashvardanian/stringzilla#memory-copying-fills-and-moves
Folly v2024.09.23 focus on AVX2https://github.com/facebook/folly/blob/main/folly/memset.S
memset benchmarkshttps://github.com/nadavrot/memset_benchmark?tab=readme-ov-file
Cache Associativityhttps://en.algorithmica.org/hpc/cpu-cache/associativity/
https://github.com/ashvardanian/stringzilla#hashing
Stress-testing hash functions for avalance behaviour, collision bias, and distributionhttps://github.com/ashvardanian/HashEvals
https://github.com/ashvardanian/stringzilla#sha-256-checksums-5
FIPS 180-4 specificationhttps://nvlpubs.nist.gov/nistpubs/FIPS/NIST.FIPS.180-4.pdf
https://github.com/ashvardanian/stringzilla#random-generation-1
Pseudorandom Number Generatorhttps://en.wikipedia.org/wiki/Pseudorandom_number_generator
https://github.com/ashvardanian/stringzilla#sorting
https://github.com/ashvardanian/stringzilla#unicode-17-utf-8-and-wide-characters
to all kinds of offset-counting issueshttps://josephg.com/blog/string-length-lies/
https://github.com/ashvardanian/stringzilla#case-folding-and-case-insensitive-search
simdutfhttps://github.com/simdutf/simdutf
https://github.com/ashvardanian/stringzilla#dynamic-dispatch
https://github.com/ashvardanian/stringzilla#contributing-
contributing guidehttps://github.com/ashvardanian/StringZilla/blob/main/CONTRIBUTING.md
USearchhttps://github.com/unum-cloud/usearch
UCallhttps://github.com/unum-cloud/ucall
UFormhttps://github.com/unum-cloud/uform
SimSIMDhttps://github.com/ashvardanian/simsimd
simdutfhttps://github.com/simdutf/simdutf
hyperscanhttps://github.com/intel/hyperscan
pyahocorasickhttps://github.com/WojciechMula/pyahocorasick
rapidfuzzhttps://github.com/rapidfuzz/RapidFuzz
memchrhttps://github.com/BurntSushi/memchr
5x faster strings with SIMD & SWARhttps://ashvardanian.com/posts/stringzilla/
The Painful Pitfalls of C++ STL Stringshttps://ashvardanian.com/posts/painful-strings/
Processing Strings 109x Faster than Nvidia on H100https://ashvardanian.com/posts/stringwars-on-gpus/
How a String Library Beat OpenCV at Image Processing by 4xhttps://ashvardanian.com/posts/image-processing-with-strings/
2x Faster Hashes on AWS Graviton: NEON → SVE2https://ashvardanian.com/posts/aws-graviton-checksums-on-neon-vs-sve/
https://github.com/ashvardanian/stringzilla#license-
ashvardanian.com/posts/stringzilla/https://ashvardanian.com/posts/stringzilla/
search https://github.com/topics/search
hashing https://github.com/topics/hashing
unicode https://github.com/topics/unicode
parser https://github.com/topics/parser
information-retrieval https://github.com/topics/information-retrieval
string https://github.com/topics/string
gpu https://github.com/topics/gpu
hash https://github.com/topics/hash
edit-distance https://github.com/topics/edit-distance
simd https://github.com/topics/simd
dataset https://github.com/topics/dataset
levenshtein-distance https://github.com/topics/levenshtein-distance
string-manipulation https://github.com/topics/string-manipulation
sorting-algorithms https://github.com/topics/sorting-algorithms
substring https://github.com/topics/substring
string-matching https://github.com/topics/string-matching
string-search https://github.com/topics/string-search
string-parsing https://github.com/topics/string-parsing
Readme https://github.com/ashvardanian/stringzilla#readme-ov-file
Apache-2.0 license https://github.com/ashvardanian/stringzilla#Apache-2.0-1-ov-file
Contributing https://github.com/ashvardanian/stringzilla#contributing-ov-file
Please reload this pagehttps://github.com/ashvardanian/stringzilla
Activityhttps://github.com/ashvardanian/StringZilla/activity
128 forkshttps://github.com/ashvardanian/StringZilla/forks
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Releases 106https://github.com/ashvardanian/StringZilla/releases
v4.6.2: Refreshing Python, JS, & Swift bindings Latest Jun 5, 2026 https://github.com/ashvardanian/StringZilla/releases/tag/v4.6.2
+ 105 releaseshttps://github.com/ashvardanian/StringZilla/releases
Contributorshttps://github.com/ashvardanian/StringZilla/graphs/contributors
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C 45.9% https://github.com/ashvardanian/StringZilla/search?l=c
C++ 27.0% https://github.com/ashvardanian/StringZilla/search?l=c%2B%2B
Cuda 13.0% https://github.com/ashvardanian/StringZilla/search?l=cuda
Rust 6.5% https://github.com/ashvardanian/StringZilla/search?l=rust
Python 4.6% https://github.com/ashvardanian/StringZilla/search?l=python
CMake 1.0% https://github.com/ashvardanian/StringZilla/search?l=cmake
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