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Improve hashing performance#193

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wendigo:user/serafin/improve-hashing-performance
Open

Improve hashing performance#193
wendigo wants to merge 1 commit into
airlift:masterfrom
wendigo:user/serafin/improve-hashing-performance

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@wendigo

@wendigo wendigo commented Apr 2, 2026

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@wendigo wendigo requested a review from dain April 2, 2026 19:46
@martint

martint commented Apr 2, 2026

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Can you post JMH results?

@wendigo

wendigo commented Apr 2, 2026

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@martint yes, I will run benchmarks tomorrow and post full results.

Claude summarized it as:

  ┌──────────────────────────────┬───────┬─────────────┐
  │          Benchmark           │ Size  │ Improvement │
  ├──────────────────────────────┼───────┼─────────────┤
  │ murmur3Hash64                │ 7     │ -36%        │
  ├──────────────────────────────┼───────┼─────────────┤
  │ murmur3Hash64                │ 127   │ -26%        │
  ├──────────────────────────────┼───────┼─────────────┤
  │ murmur3Hash128               │ 7     │ -20%        │
  ├──────────────────────────────┼───────┼─────────────┤
  │ murmur3Hash128               │ 127   │ -24%        │
  ├──────────────────────────────┼───────┼─────────────┤
  │ fnvHash32                    │ 7     │ -30%        │
  ├──────────────────────────────┼───────┼─────────────┤
  │ fnvHash32                    │ 16    │ -27%        │
  ├──────────────────────────────┼───────┼─────────────┤
  │ fnvHash32                    │ 127   │ -17%        │
  ├──────────────────────────────┼───────┼─────────────┤
  │ fnvHash64                    │ 7     │ -31%        │
  ├──────────────────────────────┼───────┼─────────────┤
  │ spookyHash64                 │ 7     │ -21%        │
  ├──────────────────────────────┼───────┼─────────────┤
  │ spookyHash64                 │ 1024  │ -21%        │
  ├──────────────────────────────┼───────┼─────────────┤
  │ spookyHash64                 │ 32779 │ -8%         │

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3 participants