nim-murmur

A pure-nim implementation of MurmurHash. Has MurmurHash3 and MurmurHash2, and does not wrap a C implementation.

Adapted from https://github.com/aappleby/smhasher

Using

This is in the nimble package manager as murmurhash, so you can put

requires murmurhash>=0.4.0

in your nimble file. Or, to pin to a particuar commit, do

requires "https://github.com/cwpearson/nim-murmurhash#b44ed52"

then,

import murmurhash

About

Only two functions implemented currently.

• Murmur3
  • MurmurHash3_x64_128
  • MurmurHash3_x86_32
  • MurmurHash3_x86_128
• Murmur2
  • MurmurHash64A - The original 64-bit version. Optimized for 64-bit arithmetic.
  • MurmurHash2 - The original version; contains a flaw that weakens collision in some cases.
  • MurmurHash2A - A fixed variant using Merkle–Damgård construction construction. Slightly slower.
  • CMurmurHash2A - MurmurHash2A but works incrementally.
  • MurmurHashNeutral2 - Slower, but endian and alignment neutral.
  • MurmurHashAligned2 - Slower, but does aligned reads (safer on some platforms).
  • MurmurHash64B (64-bit, x86) - A 64-bit version optimized for 32-bit platforms. Unfortunately it is not a true 64-bit hash due to insufficient mixing of the stripes.
• Murmur
  • MurmurHash1

Related:

• nimble murmur package https://github.com/olahol/nimrod-murmur/. Doesn't have Murmur3 or Murmur2.
• vitanim by timotheecour. Pure nim murmur3 only. Not set up as a package.
• nimble murmur3 package https://github.com/boydgreenfield/nimrod-murmur. Wraps a c implementation.