{
  "schemaVersion": "fidc-numeric-vm-generation-scratch-rejection/v1",
  "measuredAt": "2026-09-05T04:34:00+08:00",
  "host": "local-macos",
  "candidateCommitted": false,
  "candidateDeployed": false,
  "candidate": {
    "description": "replace per-evaluation Option slot clearing with value arrays and u64 generation stamps",
    "iterations": 2000000,
    "vmNanosecondsPerEvaluation": 86.405,
    "rhaiNanosecondsPerEvaluation": 364.356
  },
  "baseline": {
    "iterations": 2000000,
    "vmNanosecondsPerEvaluation": 86.384,
    "rhaiNanosecondsPerEvaluation": 374.938
  },
  "observedVmRegressionPercent": 0.024310531,
  "targetedTestsPassed": 7,
  "acceptance": {
    "status": "rejected_and_removed_before_commit",
    "reason": "generation checks exactly offset slot initialization savings in the existing representative VM benchmark"
  }
}