{
  "metadata": {
    "board": "Arduino Uno",
    "cold_definition": "project outputs and matching compiled framework caches removed; installed packages and global download/compiler caches retained",
    "fixture": "bench/blink",
    "fqbn": "arduino:avr:uno",
    "generated_at": "2026-07-22T19:48:08Z",
    "git_sha": "96a128ed01e675e51a08c775be2277291df2404c",
    "repository": "FastLED/fbuild",
    "run_url": "https://github.com/FastLED/fbuild/actions/runs/29951919427",
    "runner": {
      "arch": "x86_64",
      "os": "linux"
    },
    "statistic": "median",
    "toolchain_pins": {
      "arduino_core": "arduino:avr@1.8.8",
      "note": "ecosystem framework distributions are pinned independently",
      "platformio_platform": "atmelavr@5.1.0"
    },
    "trials": 3,
    "warm_definition": "immediate no-change rebuild after the cold build"
  },
  "results": [
    {
      "cold_ms": 681.844,
      "cold_trials_ms": [
        737.39,
        681.844,
        674.504
      ],
      "display_name": "Arduino CLI",
      "speedup": 2.022,
      "tool": "arduino",
      "version": "arduino-cli  Version: 1.5.0 Commit: dd407d42d Date: 2026-05-19T14:07:51Z",
      "warm_ms": 337.164,
      "warm_trials_ms": [
        337.164,
        336.122,
        385.796
      ]
    },
    {
      "cold_ms": 888.056,
      "cold_trials_ms": [
        888.056,
        886.753,
        894.239
      ],
      "display_name": "PlatformIO",
      "speedup": 1.401,
      "tool": "platformio",
      "version": "PlatformIO Core, version 6.1.19",
      "warm_ms": 634.069,
      "warm_trials_ms": [
        618.596,
        634.069,
        644.348
      ]
    },
    {
      "cold_ms": 79.787,
      "cold_trials_ms": [
        347.161,
        79.768,
        79.787
      ],
      "display_name": "fbuild",
      "speedup": 1.558,
      "tool": "fbuild",
      "version": "fbuild 2.5.3",
      "warm_ms": 51.224,
      "warm_trials_ms": [
        50.635,
        51.224,
        51.309
      ]
    }
  ],
  "schema_version": 1
}