{
  "captured": "2026-08-21",
  "hardware": "Intel(R) Core(TM) Ultra 9 275HX",
  "platform": "win32 x64",
  "methodology": "Median of 21 alternating samples at 100000 operations; forced GC, retained construction instances, and validated checksums; lower is faster.",
  "baseline": "2.0.0 WeakMap state",
  "candidate": "2.1.0 private fields",
  "runs": [
    {
      "runtime": "v22.13.0",
      "v8": "12.4.254.21-node.22",
      "metrics": [
        {"label": "Construct instances", "baselineMs": 78.05, "candidateMs": 4.36, "speedup": 17.92},
        {"label": "Schedule and run task turns", "baselineMs": 5.83, "candidateMs": 2.43, "speedup": 2.4}
      ]
    },
    {
      "runtime": "v24.18.0",
      "v8": "13.6.233.17-node.50",
      "metrics": [
        {"label": "Construct instances", "baselineMs": 73.53, "candidateMs": 3.97, "speedup": 18.5},
        {"label": "Schedule and run task turns", "baselineMs": 4.51, "candidateMs": 2.88, "speedup": 1.57}
      ]
    }
  ]
}