{
  "empty-key-after-1": {
    "total": 15023,
    "active": 2058,
    "thread_list": 366,
    "gc": 223,
    "span_seconds": 22.911098,
    "process_cpu_seconds": 3.9
  },
  "empty-key-after-2": {
    "total": 14995,
    "active": 2474,
    "thread_list": 389,
    "gc": 282,
    "span_seconds": 22.877444,
    "process_cpu_seconds": 4.54
  },
  "empty-key-before-1": {
    "total": 15591,
    "active": 2417,
    "thread_list": 496,
    "gc": 298,
    "span_seconds": 24.03424,
    "process_cpu_seconds": 4.67
  },
  "empty-key-before-2": {
    "total": 15094,
    "active": 2571,
    "thread_list": 549,
    "gc": 300,
    "span_seconds": 22.869647,
    "process_cpu_seconds": 4.67
  },
  "workload": {
    "shells": 1210,
    "streams": 5,
    "hz_each": 20,
    "duration_seconds": 15,
    "events": 1500,
    "order": "before1,after1,before2,after2",
    "build": "optimized iOS Simulator Release, Hermes -O, dev=false; same native executable; only threadListV2.ts source differs",
    "fixture": "same server snapshot and client cache restored each run",
    "limits": "Two pairs. First baseline capture 1.1 seconds longer. CPU includes native threads and profiler. No stable percentage gain, battery or navigation latency claim."
  }
}