{
  "schema_version": 1,
  "scope": "paired NumPy warm RHS factory comparison; same vector plan, compiler sources must otherwise match",
  "started_at_utc": "2026-10-22T00:33:49.466712+00:00",
  "cpu_affinity": [
    0
  ],
  "cases": [
    {
      "groups": 4,
      "stages": 2,
      "coupled": false
    },
    {
      "groups": 4,
      "stages": 2,
      "coupled": true
    },
    {
      "groups": 16,
      "stages": 8,
      "coupled": false
    },
    {
      "groups": 16,
      "stages": 8,
      "coupled": true
    }
  ],
  "fresh_process_repetitions": 3,
  "within_process_sample_pairs": 15,
  "calls_per_sample": 200,
  "timeout_seconds": 120,
  "paired_harness_sha256": "f3efed44a5bc5ed60c900cf0325489bdf08070a2dce68c5eabbcaa2ea136d0eb",
  "trigger": "separate-process controls showed substantial shared-host variation; original80records retained",
  "order": "reverse case order in middle repetition; alternate variants within each worker"
}