jamhash 0.1.3

Fast non-cryptographic hashing for canonical packed DNA kmers
Documentation 
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{
  "dataset": {
    "id": "complete-canonical-packed-k21",
    "description": "Complete canonical packed k=21 domain",
    "canonical_count": 2199023255552
  },
  "hash": {
    "id": "jamhash_u64",
    "crate_version": "0.1.2",
    "source_revision": "0015dcc31abeeae1a8b83fdfb9a09d2f16d39401"
  },
  "zero_measurement": {
    "zero_output_count": 1,
    "method": "Count the leading zero u64 values in the numerically sorted prefix-0 partition",
    "measured_at": "2026-08-23T16:50:27+02:00",
    "counter_source_revision": "b98348576b46c08641bd59498a8495326e3c95c1",
    "counter_sha256": "ee76ea8506411a5153f93effdf49f92480e834919b07b05e7d6cf78f15230a7d",
    "command": "ssh uni-cli 'python3 - /vol/plasmidhunter/data/no_backup/hashes/jamhash/sorted/part_00.bin' < scripts/count_zero_outputs.py",
    "artifact": {
      "path": "/vol/plasmidhunter/data/no_backup/hashes/jamhash/sorted/part_00.bin",
      "size_bytes": 274877769920,
      "partition_values": 34359721240,
      "partition_stats_sha256": "3efb6c06af209cdccb879232530be1a39b68379f237047d2536de368aaa2467e",
      "combined_metrics_sha256": "81e7bb26b05707a6a8b80dbd0b0ee28d3d0833b644d730b4422baac4f864ce47",
      "prefix_bytes_read": 8192,
      "values_examined": 2,
      "first_nonzero_output": 16028159
    }
  },
  "threshold_reporting": {
    "relationship": "zero_excluding_count = zero_inclusive_count - zero_output_count",
    "archived": {
      "predicate": "hash < u64::MAX / scale",
      "zero_policy": "inclusive",
      "scales": [
        10,
        100,
        1000,
        10000
      ],
      "pass_counts": [
        219901285797,
        21990205024,
        2199005865,
        219883231
      ]
    },
    "runtime_equivalent": {
      "predicate": "hash != 0 && hash < u64::MAX / scale",
      "zero_policy": "excluded",
      "pass_counts": [
        219901285796,
        21990205023,
        2199005864,
        219883230
      ]
    }
  },
  "pipeline_provenance": {
    "source_snapshot_revision": "58e81cc179bf9a7f745c58bcf7d73aac20dc2d05",
    "exact_run_revision": null,
    "note": "The exact run revision was not recorded; this is the first committed pipeline snapshot after the run."
  }
}