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xxhash

brew install xxhash v0.8.3 BSD-2-Clause AND GPL-2.0-or-later

Extremely fast non-cryptographic hash algorithm library for checksums and hash tables.

Why you might care

xxHash is orders of magnitude faster than MD5 or SHA1 for non-security use cases like data deduplication, checksums, and hash table seeding. It's a C library with single-binary tools, commonly used as a build dependency in compression and storage systems. Use when you need speed over cryptographic guarantees.

Categories

library hash

Alternatives

MD5 SHA1 MurmurHash BLAKE3
16.1k
30-day installs · #268
50.4k
90-day · #275
210.0k
365-day · #271

Build dependencies

cmake

Links

Blurb generated by claude-haiku-4-5 on 2mo ago.

Raw metadata 
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  "license": "BSD-2-Clause AND GPL-2.0-or-later",
  "llm_generated_at": "2026-06-20T23:43:48+00:00",
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  "name": "xxhash",
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  "one_liner": "Extremely fast non-cryptographic hash algorithm library for checksums and hash tables.",
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  "why_use_this": "xxHash is orders of magnitude faster than MD5 or SHA1 for non-security use cases like data deduplication, checksums, and hash table seeding. It\u0027s a C library with single-binary tools, commonly used as a build dependency in compression and storage systems. Use when you need speed over cryptographic guarantees."
}