{
  "schema_version": 1,
  "context": {
    "repository": "aliilyas/bruster",
    "sha": "852486658ea5336c158a06fac49332706e2e3c39",
    "run_id": 40658586503,
    "run_number": 12,
    "run_attempt": 1,
    "run_url": "https://github.com/aliilyas/bruster/actions/runs/40658586503"
  },
  "metadata": {
    "started_utc": "2026-10-28T08:42:49.312107+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 7763 64-Core Processor",
    "mem_total_kib": 16373452,
    "runner_image": {
      "ImageOS": "ubuntu24",
      "ImageVersion": "20261023.334.3",
      "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": "914834712471a922de7ba8b7dee04e467978000a60579a3705a669a048819a1f",
    "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": "2026-10-28T08:47:12.907968+00:00"
  },
  "summary": {
    "bruster": {
      "startup_ms": {
        "n": 10,
        "median": 103.8237095,
        "min": 99.164828,
        "max": 795.754177
      },
      "first_navigation_ms": {
        "n": 10,
        "median": 114.473972,
        "min": 105.121187,
        "max": 237.688689
      },
      "launch_to_first_page_ms": {
        "n": 10,
        "median": 218.746386,
        "min": 212.33779,
        "max": 1033.717349
      },
      "tiny_navigation_ms": {
        "n": 100,
        "median": 6.2661,
        "min": 4.52397,
        "max": 13.547167
      },
      "tiny_extract_ms": {
        "n": 100,
        "median": 5.454591,
        "min": 0.849765,
        "max": 7.832847
      },
      "large_navigation_ms": {
        "n": 50,
        "median": 49.623267,
        "min": 29.37195,
        "max": 61.813569
      },
      "large_extract_ms": {
        "n": 50,
        "median": 15.917164499999998,
        "min": 4.960781,
        "max": 23.038851
      },
      "large_extract_json_ms": {
        "n": 50,
        "median": 12.8387745,
        "min": 5.275913,
        "max": 37.294678
      },
      "image_navigation_ms": {
        "n": 30,
        "median": 113.8339665,
        "min": 112.03576,
        "max": 122.836811
      },
      "screenshot_ms": {
        "n": 20,
        "median": 39.913859,
        "min": 38.966105,
        "max": 49.560052
      },
      "rss_mib": {
        "n": 10,
        "median": 379.265625,
        "min": 377.6875,
        "max": 382.26953125
      },
      "pss_mib": {
        "n": 10,
        "median": 217.193359375,
        "min": 216.671875,
        "max": 218.974609375
      },
      "display_pss_mib": {
        "n": 10,
        "median": 38.9677734375,
        "min": 34.2978515625,
        "max": 39.0908203125
      },
      "total_pss_mib": {
        "n": 10,
        "median": 256.033203125,
        "min": 252.4814453125,
        "max": 258.0380859375
      },
      "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": 533.989745,
        "min": 525.111499,
        "max": 543.451696
      },
      "first_navigation_ms": {
        "n": 10,
        "median": 18.806327,
        "min": 17.320894,
        "max": 22.290151
      },
      "launch_to_first_page_ms": {
        "n": 10,
        "median": 553.3075225,
        "min": 543.842198,
        "max": 564.044962
      },
      "tiny_navigation_ms": {
        "n": 100,
        "median": 11.102257,
        "min": 8.60791,
        "max": 17.824322
      },
      "tiny_extract_ms": {
        "n": 100,
        "median": 3.1752835,
        "min": 2.281833,
        "max": 7.541867
      },
      "large_navigation_ms": {
        "n": 50,
        "median": 33.8675765,
        "min": 22.233778,
        "max": 46.999275
      },
      "large_extract_ms": {
        "n": 50,
        "median": 101.24506500000001,
        "min": 74.737536,
        "max": 148.269726
      },
      "large_extract_json_ms": {
        "n": 50,
        "median": 9.926210999999999,
        "min": 8.352416,
        "max": 35.19807
      },
      "image_navigation_ms": {
        "n": 30,
        "median": 118.5075485,
        "min": 116.552137,
        "max": 133.026029
      },
      "screenshot_ms": {
        "n": 20,
        "median": 47.002759499999996,
        "min": 40.616945,
        "max": 58.205455
      },
      "rss_mib": {
        "n": 10,
        "median": 597.296875,
        "min": 593.6640625,
        "max": 601.44921875
      },
      "pss_mib": {
        "n": 10,
        "median": 328.44873046875,
        "min": 325.4169921875,
        "max": 332.2138671875
      },
      "display_pss_mib": {
        "n": 10,
        "median": 0.0,
        "min": 0.0,
        "max": 0.0
      },
      "total_pss_mib": {
        "n": 10,
        "median": 328.44873046875,
        "min": 325.4169921875,
        "max": 332.2138671875
      },
      "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://127.0.0.1:40793/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:40793/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://127.0.0.1:40793/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:40793/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://127.0.0.1:40793/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:40793/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://127.0.0.1:40793/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:40793/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://127.0.0.1:40793/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:40793/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://127.0.0.1:40793/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:40793/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://127.0.0.1:40793/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:40793/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://127.0.0.1:40793/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:40793/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://127.0.0.1:40793/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:40793/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://127.0.0.1:40793/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:40793/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": 710.937872,
        "min": 698.436691,
        "max": 749.656139
      },
      "first_navigation_ms": {
        "n": 10,
        "median": 47.514669999999995,
        "min": 37.51341,
        "max": 54.506502
      },
      "launch_to_first_page_ms": {
        "n": 10,
        "median": 759.8682739999999,
        "min": 745.563826,
        "max": 787.460935
      },
      "tiny_navigation_ms": {
        "n": 100,
        "median": 18.4990815,
        "min": 13.991125,
        "max": 38.24618
      },
      "tiny_extract_ms": {
        "n": 100,
        "median": 8.031233499999999,
        "min": 3.42164,
        "max": 21.262335
      },
      "large_navigation_ms": {
        "n": 50,
        "median": 42.2097135,
        "min": 27.708192,
        "max": 48.1294
      },
      "large_extract_ms": {
        "n": 50,
        "median": 106.2675845,
        "min": 77.332881,
        "max": 155.198131
      },
      "large_extract_json_ms": {
        "n": 50,
        "median": 24.325543500000002,
        "min": 8.149689,
        "max": 38.590073
      },
      "image_navigation_ms": {
        "n": 30,
        "median": 122.7070205,
        "min": 121.061074,
        "max": 139.712722
      },
      "screenshot_ms": {
        "n": 20,
        "median": 49.380660000000006,
        "min": 41.763,
        "max": 66.726468
      },
      "rss_mib": {
        "n": 10,
        "median": 1182.01171875,
        "min": 1170.6796875,
        "max": 1189.50390625
      },
      "pss_mib": {
        "n": 10,
        "median": 512.82568359375,
        "min": 510.65625,
        "max": 517.001953125
      },
      "display_pss_mib": {
        "n": 10,
        "median": 0.0,
        "min": 0.0,
        "max": 0.0
      },
      "total_pss_mib": {
        "n": 10,
        "median": 512.82568359375,
        "min": 510.65625,
        "max": 517.001953125
      },
      "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://127.0.0.1:40793/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:40793/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://127.0.0.1:40793/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:40793/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://127.0.0.1:40793/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:40793/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://127.0.0.1:40793/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:40793/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://127.0.0.1:40793/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:40793/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://127.0.0.1:40793/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:40793/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://127.0.0.1:40793/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:40793/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://127.0.0.1:40793/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:40793/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://127.0.0.1:40793/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:40793/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://127.0.0.1:40793/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:40793/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": 539.8052445000001,
        "min": 531.04221,
        "max": 562.217086
      },
      "first_navigation_ms": {
        "n": 10,
        "median": 35.725747,
        "min": 32.149603,
        "max": 39.392416
      },
      "launch_to_first_page_ms": {
        "n": 10,
        "median": 575.3270265000001,
        "min": 563.547619,
        "max": 598.196656
      },
      "tiny_navigation_ms": {
        "n": 100,
        "median": 19.379436499999997,
        "min": 16.103515,
        "max": 37.102702
      },
      "tiny_extract_ms": {
        "n": 100,
        "median": 6.5155625,
        "min": 1.453761,
        "max": 13.059505
      },
      "large_navigation_ms": {
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