{
  "generatedAt": "2026-11-06T21:42:11.674Z",
  "method": "Synthetic, static DOM scene in headless Chromium. Warmup and measurement use real requestAnimationFrame callbacks; no virtual or accelerated clock. Engine timings come from getMetrics().",
  "caveats": [
    "This is one development machine and one browser, not a cross-device guarantee or release threshold.",
    "Background operating-system and other development workloads are not controlled.",
    "The 100-element / 200-surface scenario necessarily uses 200 elements; actualElementCount records this explicitly.",
    "All surfaces are explicit, visible, and static; complex CSS composition and continuously mutating layouts are separate workloads.",
    "RAF fps measures browser callbacks. The engine cap may skip simulation/rendering callbacks; engineFrameTimeMs reports its actual frame spacing.",
    "No baseline regression budget has been asserted from a single run."
  ],
  "environment": {
    "os": "darwin",
    "osRelease": "25.5.0",
    "architecture": "arm64",
    "cpu": "Apple M4",
    "logicalCPUs": 10,
    "totalMemoryBytes": 17179869184,
    "node": "v24.14.1",
    "chromium": "156.0.8078.4",
    "headless": true,
    "viewport": {
      "width": 1280,
      "height": 900
    },
    "deviceScaleFactor": 1,
    "cpuThrottling": "none",
    "mobileEmulation": false
  },
  "configuration": {
    "seed": 81624,
    "particleBudget": 360,
    "intensity": 1,
    "adaptive": false,
    "maxFPS": 60,
    "maxDPR": 1,
    "warmupFrames": 45,
    "sampleFrames": 90,
    "surfaceDiscovery": "explicit"
  },
  "results": [
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      "surfaceCount": 0,
      "actualElementCount": 100,
      "setupMs": 4.1,
      "rafFps": {
        "p50": 59.8802,
        "p95": 63.2911,
        "p5": 57.4713
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        "min": 15.6,
        "max": 17.6
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        "min": 16.6,
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      "simulationMs": {
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      "renderingMs": {
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        "min": 0,
        "max": 0.3
      },
      "geometryMs": {
        "p50": 0,
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        "min": 0,
        "max": 0.1
      },
      "particleCount": {
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        "p95": 359,
        "min": 315,
        "max": 359
      },
      "discoveredSurfaceCount": {
        "p50": 0,
        "p95": 0,
        "min": 0,
        "max": 0
      },
      "collisionChecks": {
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    },
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      "setupMs": 4.3,
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        "p5": 54.9451
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  ]
}