meow_hash
c-hashmap
| meow_hash | c-hashmap | |
|---|---|---|
| 13 | 5 | |
| 1,684 | 125 | |
| - | - | |
| 0.0 | 0.6 | |
| almost 2 years ago | 8 days ago | |
| C++ | C | |
| zlib License | BSD 3-clause "New" or "Revised" License |
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meow_hash
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Use fast data algorithms (2021)
I'm late on the reply but I was using xxhash for something similar, but found that Meow hash was faster for me. Feel free to benchmark, since I'm sure it could vary depending on CPU architecture.
- Meow Hash (2018)
- Meow Hash
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Cryptanalysis of Meow Hash
for everyone who doesn't think highly of Casey Muratori (or at least the way he conducts himself online), the author of Meow Hash, took the criticism quite graciously:
https://twitter.com/cmuratori/status/1417546500083568641
https://github.com/cmuratori/meow_hash/issues/80
- Full 128-bit collision between two files in Meow Hash
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Reading a file in parallel
Is a standardized hashing algorithm required? SHA256 takes several CPU cycle per byte, but there are several hashing algorithm utilizing AES-NI that gives them 15-16 bytes per cycles, which translates to tens of gigabytes per second on modern CPU. At least one of them has been ported to .NET Core, and from what I see properly calls AES primitives.
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76% Faster CPython
MeowHash is the fastest non-cryptographic hash available online, and if it were used in CPython, which performs a hash for every fundamental operation in the language, then Python would be much faster.
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New Bare Hash Map: 2X-3X Speedup over SOTA
Meow hash claims 3-4x faster hashing over this, still passes smhasher, and is a few years old. https://mollyrocket.com/meowhash
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A Hashmap for the C Programming Language
Have you seen the meow hash implementation? Would that be suitable for this ?
c-hashmap
- A Tiny Hashmap Library Written in C
- r/C_Programming
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A Hashmap for the C Programming Language
i added a new function to the api. you can check it out on here, i opened a pull request please if you found it helpful merge it and thank you <3
What are some alternatives?
xxHash - Extremely fast non-cryptographic hash algorithm
hash-prospector - Automated integer hash function discovery
BLAKE3 - the official Rust and C implementations of the BLAKE3 cryptographic hash function
hashbrown - Rust port of Google's SwissTable hash map
wyhash - The FASTEST QUALITY hash function, random number generators (PRNG) and hash map.
meow_hash.NET - Port of https://github.com/cmuratori/meow_hash to .NET Core
pHash - pHash - the open source perceptual hash library
smhasher - Automatically exported from code.google.com/p/smhasher
aHash - aHash is a non-cryptographic hashing algorithm that uses the AES hardware instruction
highwayhash - Fast strong hash functions: SipHash/HighwayHash
cligen - Nim library to infer/generate command-line-interfaces / option / argument parsing; Docs at
gperf - mirror of git.savannah.gnu.org/gperf.git with more features. gitlab has the issues