{
  "schema_version": 1,
  "context": {
    "repository": "aliilyas/bruster",
    "sha": "3e1cf682937990d8211ee8734e8c566d5829053e",
    "run_id": 40662002499,
    "run_number": 13,
    "run_attempt": 1,
    "run_url": "https://github.com/aliilyas/bruster/actions/runs/40662002499"
  },
  "metadata": {
    "started_utc": "2026-10-28T09:10:24.466233+00:00",
    "platform": "Linux-7.0.0-1017-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 7763 64-Core Processor",
    "mem_total_kib": 16371756,
    "runner_image": {
      "ImageOS": "ubuntu24",
      "ImageVersion": "20261026.354.1",
      "RUNNER_ARCH": "X64"
    },
    "session_environment": {
      "display_set": true,
      "session_bus_address_set": false,
      "XDG_CURRENT_DESKTOP": null,
      "GTK_USE_PORTAL": null,
      "GTK_MODULES": null,
      "NO_AT_BRIDGE": null,
      "BRUSTER_USE_SESSION_BUS": null
    },
    "rustc": "rustc 1.99.1 (58cf8f9c3 2026-10-13)",
    "gtk": "3.24.41",
    "webkitgtk": "2.52.6",
    "packages": {
      "playwright-core": "1.64.1",
      "puppeteer-core": "25.16.0",
      "agent-browser": "0.40.0"
    },
    "bruster_bytes": 1469152,
    "bruster_sha256": "9ad469a9e51bec04561f0b9f248354ee394f97d29c3c4c9e4be016cac59180b0",
    "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": "ebfa32d27a3fbde2e272272fbbb8e8318bc13b01e9d0fb27f27c7db2fe6e6759",
      "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": "2026-10-28T09:14:52.634344+00:00"
  },
  "summary": {
    "bruster": {
      "startup_ms": {
        "n": 10,
        "median": 104.17525850000001,
        "min": 100.110324,
        "max": 764.908925
      },
      "first_navigation_ms": {
        "n": 10,
        "median": 120.796402,
        "min": 111.76393,
        "max": 297.099116
      },
      "launch_to_first_page_ms": {
        "n": 10,
        "median": 226.372735,
        "min": 216.301411,
        "max": 1062.400023
      },
      "tiny_navigation_ms": {
        "n": 100,
        "median": 6.532807999999999,
        "min": 4.909093,
        "max": 15.262329
      },
      "tiny_extract_ms": {
        "n": 100,
        "median": 5.9737089999999995,
        "min": 0.932074,
        "max": 7.837494
      },
      "large_navigation_ms": {
        "n": 50,
        "median": 52.9321295,
        "min": 31.306033,
        "max": 68.253451
      },
      "large_extract_ms": {
        "n": 50,
        "median": 17.5218885,
        "min": 5.09108,
        "max": 24.195793
      },
      "large_extract_json_ms": {
        "n": 50,
        "median": 13.8397715,
        "min": 5.670857,
        "max": 45.56197
      },
      "image_navigation_ms": {
        "n": 30,
        "median": 116.947819,
        "min": 112.596523,
        "max": 124.072427
      },
      "screenshot_ms": {
        "n": 20,
        "median": 39.4447135,
        "min": 38.795374,
        "max": 43.239991
      },
      "rss_mib": {
        "n": 10,
        "median": 344.4765625,
        "min": 341.73046875,
        "max": 347.90234375
      },
      "pss_mib": {
        "n": 10,
        "median": 182.203125,
        "min": 182.0205078125,
        "max": 183.669921875
      },
      "display_pss_mib": {
        "n": 10,
        "median": 37.28564453125,
        "min": 34.3896484375,
        "max": 39.1357421875
      },
      "total_pss_mib": {
        "n": 10,
        "median": 220.00537109375,
        "min": 217.4013671875,
        "max": 222.3466796875
      },
      "process_count": {
        "n": 10,
        "median": 3.0,
        "min": 3,
        "max": 3
      },
      "sessions_with_failures": 0,
      "fault_probe_failures": {},
      "lifecycle_failures": {},
      "recovery_retry_passes": 0,
      "failures": []
    },
    "playwright-shell": {
      "startup_ms": {
        "n": 10,
        "median": 572.560071,
        "min": 561.616401,
        "max": 586.001344
      },
      "first_navigation_ms": {
        "n": 10,
        "median": 18.70346,
        "min": 16.780629,
        "max": 23.10128
      },
      "launch_to_first_page_ms": {
        "n": 10,
        "median": 592.2666485,
        "min": 580.432961,
        "max": 604.434309
      },
      "tiny_navigation_ms": {
        "n": 100,
        "median": 10.9354115,
        "min": 8.845027,
        "max": 17.403158
      },
      "tiny_extract_ms": {
        "n": 100,
        "median": 3.2360664999999997,
        "min": 2.332623,
        "max": 6.302189
      },
      "large_navigation_ms": {
        "n": 50,
        "median": 34.017478499999996,
        "min": 22.516945,
        "max": 47.363972
      },
      "large_extract_ms": {
        "n": 50,
        "median": 101.5111765,
        "min": 76.87008,
        "max": 149.948286
      },
      "large_extract_json_ms": {
        "n": 50,
        "median": 11.164954,
        "min": 8.370762,
        "max": 34.553751
      },
      "image_navigation_ms": {
        "n": 30,
        "median": 119.6415845,
        "min": 117.129754,
        "max": 133.267723
      },
      "screenshot_ms": {
        "n": 20,
        "median": 46.459726,
        "min": 41.411431,
        "max": 52.92848
      },
      "rss_mib": {
        "n": 10,
        "median": 596.41796875,
        "min": 592.0546875,
        "max": 600.8046875
      },
      "pss_mib": {
        "n": 10,
        "median": 324.759765625,
        "min": 322.9423828125,
        "max": 327.18359375
      },
      "display_pss_mib": {
        "n": 10,
        "median": 0.0,
        "min": 0.0,
        "max": 0.0
      },
      "total_pss_mib": {
        "n": 10,
        "median": 324.759765625,
        "min": 322.9423828125,
        "max": 327.18359375
      },
      "process_count": {
        "n": 10,
        "median": 7.0,
        "min": 7,
        "max": 7
      },
      "sessions_with_failures": 10,
      "fault_probe_failures": {
        "recovery_after_navigation_error": 10
      },
      "lifecycle_failures": {},
      "recovery_retry_passes": 10,
      "failures": [
        {
          "round": 1,
          "name": "recovery_after_navigation_error",
          "pass": false,
          "error": "navigate: page.goto: Navigation to \"http://127.0.0.1:37427/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:37427/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://127.0.0.1:37427/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:37427/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://127.0.0.1:37427/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:37427/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://127.0.0.1:37427/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:37427/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://127.0.0.1:37427/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:37427/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://127.0.0.1:37427/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:37427/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://127.0.0.1:37427/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:37427/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://127.0.0.1:37427/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:37427/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://127.0.0.1:37427/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:37427/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://127.0.0.1:37427/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:37427/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": 759.7108175000001,
        "min": 733.511523,
        "max": 789.37071
      },
      "first_navigation_ms": {
        "n": 10,
        "median": 46.121236999999994,
        "min": 35.789729,
        "max": 56.88784
      },
      "launch_to_first_page_ms": {
        "n": 10,
        "median": 806.1076255,
        "min": 786.563663,
        "max": 832.451503
      },
      "tiny_navigation_ms": {
        "n": 100,
        "median": 18.2311435,
        "min": 13.865457,
        "max": 38.108055
      },
      "tiny_extract_ms": {
        "n": 100,
        "median": 8.2597565,
        "min": 3.085927,
        "max": 18.421184
      },
      "large_navigation_ms": {
        "n": 50,
        "median": 41.672532000000004,
        "min": 28.023975,
        "max": 61.353703
      },
      "large_extract_ms": {
        "n": 50,
        "median": 105.29034200000001,
        "min": 78.233105,
        "max": 150.32571
      },
      "large_extract_json_ms": {
        "n": 50,
        "median": 26.5628,
        "min": 8.33416,
        "max": 43.355555
      },
      "image_navigation_ms": {
        "n": 30,
        "median": 124.1339325,
        "min": 121.435072,
        "max": 139.030979
      },
      "screenshot_ms": {
        "n": 20,
        "median": 55.010883,
        "min": 47.61078,
        "max": 72.739162
      },
      "rss_mib": {
        "n": 10,
        "median": 1172.4765625,
        "min": 1164.05859375,
        "max": 1177.34765625
      },
      "pss_mib": {
        "n": 10,
        "median": 506.86474609375,
        "min": 503.279296875,
        "max": 509.31640625
      },
      "display_pss_mib": {
        "n": 10,
        "median": 0.0,
        "min": 0.0,
        "max": 0.0
      },
      "total_pss_mib": {
        "n": 10,
        "median": 506.86474609375,
        "min": 503.279296875,
        "max": 509.31640625
      },
      "process_count": {
        "n": 10,
        "median": 12.0,
        "min": 12,
        "max": 12
      },
      "sessions_with_failures": 10,
      "fault_probe_failures": {
        "recovery_after_navigation_error": 10
      },
      "lifecycle_failures": {},
      "recovery_retry_passes": 10,
      "failures": [
        {
          "round": 1,
          "name": "recovery_after_navigation_error",
          "pass": false,
          "error": "navigate: page.goto: Navigation to \"http://127.0.0.1:37427/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:37427/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://127.0.0.1:37427/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:37427/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://127.0.0.1:37427/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:37427/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://127.0.0.1:37427/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:37427/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://127.0.0.1:37427/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:37427/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://127.0.0.1:37427/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:37427/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://127.0.0.1:37427/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:37427/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://127.0.0.1:37427/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:37427/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://127.0.0.1:37427/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:37427/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://127.0.0.1:37427/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:37427/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": 569.6433435,
        "min": 562.364282,
        "max": 597.030783
      },
      "first_navigation_ms": {
        "n": 10,
        "median": 34.326832499999995,
        "min": 30.122504,
        "max": 38.586478
      },
      "launch_to_first_page_ms": {
        "n": 10,
        "median": 607.7315135,
        "min": 595.271879,
        "max": 630.743432
      },
      "tiny_navigation_ms": {
        "n": 100,
        "median": 19.8706075,
        "min": 16.686729,
        "max": 33.254199
      },
      "tiny_extract_ms": {
        "n": 100,
        "median": 6.4429355,
        "min": 1.518144,
        "max": 11.512529
      },
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    "units": "uncompressed logical bytes, deduplicated by device/inode",
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