{
  "schema_version": 1,
  "context": {
    "repository": "aliilyas/bruster",
    "sha": "1d60e7188f0ab0e21219a8e75c76fccfefdc9052",
    "run_id": 40594943590,
    "run_number": 3,
    "run_attempt": 1,
    "run_url": "https://github.com/aliilyas/bruster/actions/runs/40594943590"
  },
  "metadata": {
    "started_utc": "2026-10-27T22:29:44.892726+00:00",
    "platform": "Linux-6.17.0-1022-azure-x86_64-with-glibc2.39",
    "os": {
      "NAME": "Ubuntu",
      "ID": "ubuntu",
      "PRETTY_NAME": "Ubuntu 24.04.5 LTS",
      "VERSION_ID": "24.04",
      "VERSION": "24.04.5 LTS (Noble Numbat)",
      "VERSION_CODENAME": "noble",
      "ID_LIKE": "debian",
      "HOME_URL": "https://www.ubuntu.com/",
      "SUPPORT_URL": "https://help.ubuntu.com/",
      "BUG_REPORT_URL": "https://bugs.launchpad.net/ubuntu/",
      "PRIVACY_POLICY_URL": "https://www.ubuntu.com/legal/terms-and-policies/privacy-policy",
      "UBUNTU_CODENAME": "noble",
      "LOGO": "ubuntu-logo"
    },
    "node": "v26.12.1",
    "chrome": "Google Chrome for Testing 156.0.8078.4",
    "headless_shell": "Google Chrome for Testing 156.0.8078.4",
    "cpu_count": 4,
    "cpu_model": "AMD EPYC 9V74 80-Core Processor",
    "mem_total_kib": 16373452,
    "runner_image": {
      "ImageOS": "ubuntu24",
      "ImageVersion": "20261023.334.3",
      "RUNNER_ARCH": "X64"
    },
    "rustc": "rustc 1.99.1 (58cf8f9c3 2026-10-13)",
    "webkitgtk": "2.52.6",
    "packages": {
      "playwright-core": "1.64.1",
      "puppeteer-core": "25.16.0",
      "agent-browser": "0.40.0"
    },
    "bruster_bytes": 1455632,
    "bruster_sha256": "48adb34cc3956a14fb05c4b614387dbc8fd90b623b22c3bc0f299a6ae234dc3b",
    "chrome_sha256": "377a9fc07b495c3b8d0ab8ec1fdfd153641759f9756fea34d8dfce4de82f5025",
    "headless_shell_sha256": "4fa61f0ba0b4f89b7bec242c32ca16d3bccf69dbfef0651924a9ba8fede5f9d6",
    "rounds": 10,
    "iterations": 10,
    "common_extraction_js": "(() => ({\n  title: document.title,\n  elements: Array.from(document.querySelectorAll('h1,h2,h3,p,li,a,input,button,select,textarea'))\n    .filter(e => { const r = e.getBoundingClientRect(); return r.width > 0 && r.height > 0; })\n    .map(e => ({tag: e.tagName.toLowerCase(),\n      name: (e.getAttribute('aria-label') || e.getAttribute('placeholder') || e.textContent || '').trim(),\n      href: e.getAttribute('href'), value: 'value' in e ? e.value : null}))\n}))()",
    "harness_sha256": {
      "bench_compare.py": "f1476d7cf9f694d55356c6212549680f001471b55c5f91df36447465fc82bedb",
      "bench_competitor_driver.mjs": "c9bb792d8d3a1a60f1b0f5fe6a1775e865ca715858f3b2da13ba2162f75077fe",
      "bench_audit.py": "df91d7a203077227c82fc6730033498ea20badaf519c6dd8f6bf10b1c6ae006c"
    },
    "package_lock_sha256": "210628238686d22733351fad6e50abaee12565f3664605aa8ac740ad9931716e",
    "args": {
      "bruster": "/home/runner/work/bruster/bruster/target/release/bruster",
      "node": "/opt/hostedtoolcache/node/26.12.1/x64/bin/node",
      "chrome": "/home/runner/work/_temp/benchmark-browsers/chromium-1248/chrome-linux64/chrome",
      "shell": "/home/runner/work/_temp/benchmark-browsers/chromium_headless_shell-1248/chrome-headless-shell-linux64/chrome-headless-shell",
      "deps": "/home/runner/work/_temp/benchmark-deps",
      "output": "/home/runner/work/_temp/benchmark-results",
      "rounds": 10,
      "iterations": 10,
      "tools": [
        "bruster",
        "playwright",
        "puppeteer",
        "agent-browser",
        "playwright-shell"
      ]
    },
    "finished_utc": "2026-10-27T22:38:46.090302+00:00"
  },
  "summary": {
    "bruster": {
      "startup_ms": {
        "n": 10,
        "median": 30144.5440505,
        "min": 24712.288157,
        "max": 31128.758082
      },
      "first_navigation_ms": {
        "n": 10,
        "median": 561.077621,
        "min": 205.248402,
        "max": 574.841027
      },
      "launch_to_first_page_ms": {
        "n": 10,
        "median": 30708.998749,
        "min": 25273.049607,
        "max": 31334.244232
      },
      "tiny_navigation_ms": {
        "n": 100,
        "median": 7.327075000000001,
        "min": 3.024872,
        "max": 11.184318
      },
      "tiny_extract_ms": {
        "n": 100,
        "median": 0.8780844999999999,
        "min": 0.478702,
        "max": 5.502679
      },
      "large_navigation_ms": {
        "n": 50,
        "median": 24.832629500000003,
        "min": 21.505223,
        "max": 33.280149
      },
      "large_extract_ms": {
        "n": 50,
        "median": 16.4355275,
        "min": 11.352651,
        "max": 24.674531
      },
      "large_extract_json_ms": {
        "n": 50,
        "median": 16.2177525,
        "min": 6.436357,
        "max": 24.507713
      },
      "image_navigation_ms": {
        "n": 30,
        "median": 115.33973850000001,
        "min": 110.163219,
        "max": 120.071181
      },
      "screenshot_ms": {
        "n": 20,
        "median": 29.455924,
        "min": 28.273671,
        "max": 32.984524
      },
      "rss_mib": {
        "n": 10,
        "median": 406.763671875,
        "min": 403.5390625,
        "max": 407.41015625
      },
      "pss_mib": {
        "n": 10,
        "median": 246.25146484375,
        "min": 242.92578125,
        "max": 247.2412109375
      },
      "display_pss_mib": {
        "n": 10,
        "median": 40.2451171875,
        "min": 36.240234375,
        "max": 41.009765625
      },
      "total_pss_mib": {
        "n": 10,
        "median": 286.38525390625,
        "min": 279.166015625,
        "max": 288.2138671875
      },
      "process_count": {
        "n": 10,
        "median": 3.0,
        "min": 3,
        "max": 3
      },
      "sessions_with_failures": 0,
      "fault_probe_failures": {},
      "recovery_retry_passes": 0,
      "failures": []
    },
    "playwright-shell": {
      "startup_ms": {
        "n": 10,
        "median": 426.5505475,
        "min": 410.622746,
        "max": 491.057276
      },
      "first_navigation_ms": {
        "n": 10,
        "median": 15.4603955,
        "min": 14.146484,
        "max": 22.961238
      },
      "launch_to_first_page_ms": {
        "n": 10,
        "median": 442.58310700000004,
        "min": 424.992256,
        "max": 514.166335
      },
      "tiny_navigation_ms": {
        "n": 100,
        "median": 9.757055000000001,
        "min": 6.55791,
        "max": 27.340904
      },
      "tiny_extract_ms": {
        "n": 100,
        "median": 2.8455565,
        "min": 1.892194,
        "max": 9.176399
      },
      "large_navigation_ms": {
        "n": 50,
        "median": 29.122211999999998,
        "min": 18.381853,
        "max": 41.029025
      },
      "large_extract_ms": {
        "n": 50,
        "median": 87.0348745,
        "min": 60.073923,
        "max": 145.348325
      },
      "large_extract_json_ms": {
        "n": 50,
        "median": 13.746324000000001,
        "min": 7.2209,
        "max": 41.123431
      },
      "image_navigation_ms": {
        "n": 30,
        "median": 117.132855,
        "min": 114.173366,
        "max": 142.224937
      },
      "screenshot_ms": {
        "n": 20,
        "median": 34.93637,
        "min": 29.404415,
        "max": 44.950196
      },
      "rss_mib": {
        "n": 10,
        "median": 593.29296875,
        "min": 588.65234375,
        "max": 599.15234375
      },
      "pss_mib": {
        "n": 10,
        "median": 325.8515625,
        "min": 319.3671875,
        "max": 328.8466796875
      },
      "display_pss_mib": {
        "n": 10,
        "median": 0.0,
        "min": 0.0,
        "max": 0.0
      },
      "total_pss_mib": {
        "n": 10,
        "median": 325.8515625,
        "min": 319.3671875,
        "max": 328.8466796875
      },
      "process_count": {
        "n": 10,
        "median": 7.0,
        "min": 7,
        "max": 7
      },
      "sessions_with_failures": 10,
      "fault_probe_failures": {
        "recovery_after_navigation_error": 10
      },
      "recovery_retry_passes": 10,
      "failures": [
        {
          "round": 1,
          "name": "recovery_after_navigation_error",
          "pass": false,
          "error": "navigate: page.goto: Navigation to \"http://127.0.0.1:37149/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:37149/tiny?recovery=1\", waiting until \"load\"\n\n    at /home/runner/work/bruster/bruster/scripts/bench_competitor_driver.mjs:40:37"
        },
        {
          "round": 2,
          "name": "recovery_after_navigation_error",
          "pass": false,
          "error": "navigate: page.goto: Navigation to \"http://127.0.0.1:37149/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:37149/tiny?recovery=1\", waiting until \"load\"\n\n    at /home/runner/work/bruster/bruster/scripts/bench_competitor_driver.mjs:40:37"
        },
        {
          "round": 3,
          "name": "recovery_after_navigation_error",
          "pass": false,
          "error": "navigate: page.goto: Navigation to \"http://127.0.0.1:37149/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:37149/tiny?recovery=1\", waiting until \"load\"\n\n    at /home/runner/work/bruster/bruster/scripts/bench_competitor_driver.mjs:40:37"
        },
        {
          "round": 4,
          "name": "recovery_after_navigation_error",
          "pass": false,
          "error": "navigate: page.goto: Navigation to \"http://127.0.0.1:37149/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:37149/tiny?recovery=1\", waiting until \"load\"\n\n    at /home/runner/work/bruster/bruster/scripts/bench_competitor_driver.mjs:40:37"
        },
        {
          "round": 5,
          "name": "recovery_after_navigation_error",
          "pass": false,
          "error": "navigate: page.goto: Navigation to \"http://127.0.0.1:37149/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:37149/tiny?recovery=1\", waiting until \"load\"\n\n    at /home/runner/work/bruster/bruster/scripts/bench_competitor_driver.mjs:40:37"
        },
        {
          "round": 6,
          "name": "recovery_after_navigation_error",
          "pass": false,
          "error": "navigate: page.goto: Navigation to \"http://127.0.0.1:37149/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:37149/tiny?recovery=1\", waiting until \"load\"\n\n    at /home/runner/work/bruster/bruster/scripts/bench_competitor_driver.mjs:40:37"
        },
        {
          "round": 7,
          "name": "recovery_after_navigation_error",
          "pass": false,
          "error": "navigate: page.goto: Navigation to \"http://127.0.0.1:37149/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:37149/tiny?recovery=1\", waiting until \"load\"\n\n    at /home/runner/work/bruster/bruster/scripts/bench_competitor_driver.mjs:40:37"
        },
        {
          "round": 8,
          "name": "recovery_after_navigation_error",
          "pass": false,
          "error": "navigate: page.goto: Navigation to \"http://127.0.0.1:37149/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:37149/tiny?recovery=1\", waiting until \"load\"\n\n    at /home/runner/work/bruster/bruster/scripts/bench_competitor_driver.mjs:40:37"
        },
        {
          "round": 9,
          "name": "recovery_after_navigation_error",
          "pass": false,
          "error": "navigate: page.goto: Navigation to \"http://127.0.0.1:37149/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:37149/tiny?recovery=1\", waiting until \"load\"\n\n    at /home/runner/work/bruster/bruster/scripts/bench_competitor_driver.mjs:40:37"
        },
        {
          "round": 10,
          "name": "recovery_after_navigation_error",
          "pass": false,
          "error": "navigate: page.goto: Navigation to \"http://127.0.0.1:37149/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:37149/tiny?recovery=1\", waiting until \"load\"\n\n    at /home/runner/work/bruster/bruster/scripts/bench_competitor_driver.mjs:40:37"
        }
      ]
    },
    "playwright": {
      "startup_ms": {
        "n": 10,
        "median": 571.2118885,
        "min": 517.830485,
        "max": 610.992893
      },
      "first_navigation_ms": {
        "n": 10,
        "median": 39.333377999999996,
        "min": 33.607415,
        "max": 89.667185
      },
      "launch_to_first_page_ms": {
        "n": 10,
        "median": 609.5663975,
        "min": 595.188895,
        "max": 650.082127
      },
      "tiny_navigation_ms": {
        "n": 100,
        "median": 15.9222235,
        "min": 11.520885,
        "max": 38.515249
      },
      "tiny_extract_ms": {
        "n": 100,
        "median": 6.1228535,
        "min": 2.583787,
        "max": 21.216433
      },
      "large_navigation_ms": {
        "n": 50,
        "median": 33.997837000000004,
        "min": 23.671179,
        "max": 52.768905
      },
      "large_extract_ms": {
        "n": 50,
        "median": 88.63578100000001,
        "min": 61.308899,
        "max": 128.471314
      },
      "large_extract_json_ms": {
        "n": 50,
        "median": 17.537504,
        "min": 7.125978,
        "max": 36.443164
      },
      "image_navigation_ms": {
        "n": 30,
        "median": 120.4457405,
        "min": 117.166666,
        "max": 137.881501
      },
      "screenshot_ms": {
        "n": 20,
        "median": 33.222143,
        "min": 30.432482,
        "max": 51.742014
      },
      "rss_mib": {
        "n": 10,
        "median": 1179.705078125,
        "min": 1170.92578125,
        "max": 1186.1484375
      },
      "pss_mib": {
        "n": 10,
        "median": 513.73779296875,
        "min": 511.1015625,
        "max": 516.8408203125
      },
      "display_pss_mib": {
        "n": 10,
        "median": 0.0,
        "min": 0.0,
        "max": 0.0
      },
      "total_pss_mib": {
        "n": 10,
        "median": 513.73779296875,
        "min": 511.1015625,
        "max": 516.8408203125
      },
      "process_count": {
        "n": 10,
        "median": 12.0,
        "min": 12,
        "max": 12
      },
      "sessions_with_failures": 10,
      "fault_probe_failures": {
        "recovery_after_navigation_error": 10
      },
      "recovery_retry_passes": 10,
      "failures": [
        {
          "round": 1,
          "name": "recovery_after_navigation_error",
          "pass": false,
          "error": "navigate: page.goto: Navigation to \"http://127.0.0.1:37149/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:37149/tiny?recovery=1\", waiting until \"load\"\n\n    at /home/runner/work/bruster/bruster/scripts/bench_competitor_driver.mjs:40:37"
        },
        {
          "round": 2,
          "name": "recovery_after_navigation_error",
          "pass": false,
          "error": "navigate: page.goto: Navigation to \"http://127.0.0.1:37149/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:37149/tiny?recovery=1\", waiting until \"load\"\n\n    at /home/runner/work/bruster/bruster/scripts/bench_competitor_driver.mjs:40:37"
        },
        {
          "round": 3,
          "name": "recovery_after_navigation_error",
          "pass": false,
          "error": "navigate: page.goto: Navigation to \"http://127.0.0.1:37149/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:37149/tiny?recovery=1\", waiting until \"load\"\n\n    at /home/runner/work/bruster/bruster/scripts/bench_competitor_driver.mjs:40:37"
        },
        {
          "round": 4,
          "name": "recovery_after_navigation_error",
          "pass": false,
          "error": "navigate: page.goto: Navigation to \"http://127.0.0.1:37149/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:37149/tiny?recovery=1\", waiting until \"load\"\n\n    at /home/runner/work/bruster/bruster/scripts/bench_competitor_driver.mjs:40:37"
        },
        {
          "round": 5,
          "name": "recovery_after_navigation_error",
          "pass": false,
          "error": "navigate: page.goto: Navigation to \"http://127.0.0.1:37149/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:37149/tiny?recovery=1\", waiting until \"load\"\n\n    at /home/runner/work/bruster/bruster/scripts/bench_competitor_driver.mjs:40:37"
        },
        {
          "round": 6,
          "name": "recovery_after_navigation_error",
          "pass": false,
          "error": "navigate: page.goto: Navigation to \"http://127.0.0.1:37149/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:37149/tiny?recovery=1\", waiting until \"load\"\n\n    at /home/runner/work/bruster/bruster/scripts/bench_competitor_driver.mjs:40:37"
        },
        {
          "round": 7,
          "name": "recovery_after_navigation_error",
          "pass": false,
          "error": "navigate: page.goto: Navigation to \"http://127.0.0.1:37149/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:37149/tiny?recovery=1\", waiting until \"load\"\n\n    at /home/runner/work/bruster/bruster/scripts/bench_competitor_driver.mjs:40:37"
        },
        {
          "round": 8,
          "name": "recovery_after_navigation_error",
          "pass": false,
          "error": "navigate: page.goto: Navigation to \"http://127.0.0.1:37149/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:37149/tiny?recovery=1\", waiting until \"load\"\n\n    at /home/runner/work/bruster/bruster/scripts/bench_competitor_driver.mjs:40:37"
        },
        {
          "round": 9,
          "name": "recovery_after_navigation_error",
          "pass": false,
          "error": "navigate: page.goto: Navigation to \"http://127.0.0.1:37149/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:37149/tiny?recovery=1\", waiting until \"load\"\n\n    at /home/runner/work/bruster/bruster/scripts/bench_competitor_driver.mjs:40:37"
        },
        {
          "round": 10,
          "name": "recovery_after_navigation_error",
          "pass": false,
          "error": "navigate: page.goto: Navigation to \"http://127.0.0.1:37149/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:37149/tiny?recovery=1\", waiting until \"load\"\n\n    at /home/runner/work/bruster/bruster/scripts/bench_competitor_driver.mjs:40:37"
        }
      ]
    },
    "puppeteer": {
      "startup_ms": {
        "n": 10,
        "median": 442.93491800000004,
        "min": 412.871588,
        "max": 488.401488
      },
      "first_navigation_ms": {
        "n": 10,
        "median": 29.5746045,
        "min": 23.247467,
        "max": 35.157922
      },
      "launch_to_first_page_ms": {
        "n": 10,
        "median": 473.2951635,
        "min": 447.867236,
        "max": 524.187737
      },
      "tiny_navigation_ms": {
        "n": 100,
        "median": 17.7392085,
        "min": 12.937796,
        "max": 32.209217
      },
      "tiny_extract_ms": {
        "n": 100,
        "median": 5.2447845,
        "min": 1.102513,
        "max": 12.235683
      },
      "large_navigation_ms": {
        "n": 50,
        "median": 34.850817000000006,
        "min": 30.065323,
        "max": 49.309302
      },
      "large_extract_ms": {
        "n": 50,
        "median": 28.456422,
        "min": 16.306321,
        "max": 65.396933
      },
      "large_extract_json_ms": {
        "n": 50,
        "median": 20.480280999999998,
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    "units": "uncompressed logical bytes, deduplicated by device/inode",
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