meow_hash
smhasher
| meow_hash | smhasher | |
|---|---|---|
| 13 | 3 | |
| 1,684 | 2,551 | |
| - | - | |
| 0.0 | 0.0 | |
| almost 2 years ago | over 1 year ago | |
| C++ | C++ | |
| zlib 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 ?
smhasher
- Murmurhash -criando um rollout progressivo via backend
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Is there any hashing library for c++ Or any other way I can use SHA256 hash
For non-cryptographic purposes you can consider MurmurHash: https://github.com/aappleby/smhasher/tree/master/src
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GateBoy – a gate-level Game Boy simulator
This is very impressive!
The creator—Austin Appleby—also created MurmurHash, which is very useful for data structures like Bloom filters. The canonical MurmurHash implementation was released with a handy non-cryptographic hashing test suite.
https://github.com/aappleby/smhasher
Thanks for your work, Austin!
What are some alternatives?
xxHash - Extremely fast non-cryptographic hash algorithm
aHash - aHash is a non-cryptographic hashing algorithm that uses the AES hardware instruction
BLAKE3 - the official Rust and C implementations of the BLAKE3 cryptographic hash function
wyhash - The FASTEST QUALITY hash function, random number generators (PRNG) and hash map.
hashbrown - Rust port of Google's SwissTable hash map
metroboy - A repository of gate-level simulators and tools for the original Game Boy.
highwayhash - Fast strong hash functions: SipHash/HighwayHash
meow_hash.NET - Port of https://github.com/cmuratori/meow_hash to .NET Core
png-decoder - A pure-Rust, no_std compatible PNG decoder
pHash - pHash - the open source perceptual hash library
Hashids.java - Hashids algorithm v1.0.0 implementation in Java