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writeonce/bench/baseline.json
shoney.arickathil 42d4d85820 feat: O(1) read path — index probe wired end to end 
- engine: wo_idx_probe answers single-column equality from the index
  hash buckets (idx_hash_key1 reproduces idx_hash bit for bit; verify
  compares exactly as the slab walk did, so results identical);
  composite indexes keep the walk; both executors wired (local + DB
  actor RPC)
- compiler: probe_key_of_where lowers "var.col == key" on an indexed
  column to DB_PROBE; all where guards still run (guard stays the
  final arbiter); keys = ident/int-literal only; Float/Bytes excluded
  (engine raw-eq narrower than VM float-eq)
- measured: reads 1.3k -> 1.3M ops/s, p50 600us -> 1us (~x850);
  query x830; mixread 1.3k -> 89k s1, 21 -> ~1.9k sN
- gate policy moved into the driver (tolerance_for: refresh-proof);
  latency floors max(4x,100us); quick mode skips poll-bound mix
  floors; both tolerance classes proven to bite
- proof: test_table wo_idx_probe suite (RED first), corpus
  query-index-probe 105/0, full battery green, TSan clean, two
  campaigns pass the refreshed baseline

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-08-22 16:44:56 +02:00

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{
"_config": {
"N": 20000,
"crash_reps": 3,
"msg_n": 200000,
"note": "refresh only with a commit that says why; tolerances come from tolerance_for() in the driver",
"wal_n": 4000
},
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}
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