{
  "schema_version": 1,
  "context": {
    "repository": "aliilyas/bruster",
    "sha": "c105e5cc80e4c2882b83992d82733b05e9615fd1",
    "run_id": 40789051762,
    "run_number": 26,
    "run_attempt": 1,
    "run_url": "https://github.com/aliilyas/bruster/actions/runs/40789051762"
  },
  "metadata": {
    "started_utc": "2026-10-28T23:42:37.117604+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": "v26.13.0",
    "chrome": "Google Chrome for Testing 156.0.8078.4",
    "headless_shell": "Google Chrome for Testing 156.0.8078.4",
    "cpu_count": 4,
    "cpu_model": "INTEL(R) XEON(R) PLATINUM 8573C",
    "mem_total_kib": 16366500,
    "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": 1472144,
    "bruster_sha256": "016a2cf9de97003c0e7be3ea7628dbb5cbf29192c6dd30ff49be49fc22b05f9c",
    "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/26.13.0/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": "2026-10-28T23:46:32.147062+00:00"
  },
  "summary": {
    "bruster": {
      "startup_ms": {
        "n": 10,
        "median": 81.84106750000001,
        "min": 79.185117,
        "max": 1071.565554
      },
      "first_navigation_ms": {
        "n": 10,
        "median": 85.048555,
        "min": 76.643281,
        "max": 849.00373
      },
      "launch_to_first_page_ms": {
        "n": 10,
        "median": 168.391216,
        "min": 158.616346,
        "max": 1920.801325
      },
      "tiny_navigation_ms": {
        "n": 100,
        "median": 4.7839765,
        "min": 3.649633,
        "max": 8.808339
      },
      "tiny_extract_ms": {
        "n": 100,
        "median": 3.5379959999999997,
        "min": 0.674789,
        "max": 5.215061
      },
      "large_navigation_ms": {
        "n": 50,
        "median": 32.0250575,
        "min": 30.331983,
        "max": 39.196715
      },
      "large_extract_ms": {
        "n": 50,
        "median": 9.445824,
        "min": 4.008178,
        "max": 16.483191
      },
      "large_extract_json_ms": {
        "n": 50,
        "median": 10.0370145,
        "min": 4.312391,
        "max": 16.408734
      },
      "image_navigation_ms": {
        "n": 30,
        "median": 111.9145155,
        "min": 109.298899,
        "max": 118.963068
      },
      "screenshot_ms": {
        "n": 20,
        "median": 26.140432500000003,
        "min": 25.303109,
        "max": 27.741836
      },
      "rss_mib": {
        "n": 10,
        "median": 347.3828125,
        "min": 343.953125,
        "max": 348.05078125
      },
      "pss_mib": {
        "n": 10,
        "median": 182.97998046875,
        "min": 182.2373046875,
        "max": 183.703125
      },
      "display_pss_mib": {
        "n": 10,
        "median": 35.4541015625,
        "min": 34.3701171875,
        "max": 39.076171875
      },
      "total_pss_mib": {
        "n": 10,
        "median": 218.64990234375,
        "min": 216.7861328125,
        "max": 222.453125
      },
      "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": 419.8992705,
        "min": 410.99369,
        "max": 430.252774
      },
      "first_navigation_ms": {
        "n": 10,
        "median": 15.158077500000001,
        "min": 13.28793,
        "max": 16.908311
      },
      "launch_to_first_page_ms": {
        "n": 10,
        "median": 435.32384449999995,
        "min": 426.986281,
        "max": 447.645105
      },
      "tiny_navigation_ms": {
        "n": 100,
        "median": 8.4011535,
        "min": 6.792131,
        "max": 12.32575
      },
      "tiny_extract_ms": {
        "n": 100,
        "median": 2.6451265,
        "min": 1.92137,
        "max": 7.467015
      },
      "large_navigation_ms": {
        "n": 50,
        "median": 24.6373395,
        "min": 18.051848,
        "max": 36.812217
      },
      "large_extract_ms": {
        "n": 50,
        "median": 78.92104649999999,
        "min": 59.692667,
        "max": 119.796021
      },
      "large_extract_json_ms": {
        "n": 50,
        "median": 14.7723145,
        "min": 5.547357,
        "max": 26.222864
      },
      "image_navigation_ms": {
        "n": 30,
        "median": 114.815518,
        "min": 113.738449,
        "max": 124.977185
      },
      "screenshot_ms": {
        "n": 20,
        "median": 31.509259999999998,
        "min": 29.116535,
        "max": 46.30865
      },
      "rss_mib": {
        "n": 10,
        "median": 596.140625,
        "min": 591.1640625,
        "max": 599.34375
      },
      "pss_mib": {
        "n": 10,
        "median": 324.66015625,
        "min": 323.1005859375,
        "max": 326.1357421875
      },
      "display_pss_mib": {
        "n": 10,
        "median": 0.0,
        "min": 0.0,
        "max": 0.0
      },
      "total_pss_mib": {
        "n": 10,
        "median": 324.66015625,
        "min": 323.1005859375,
        "max": 326.1357421875
      },
      "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://127.0.0.1:33093/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:33093/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://127.0.0.1:33093/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:33093/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://127.0.0.1:33093/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:33093/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://127.0.0.1:33093/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:33093/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://127.0.0.1:33093/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:33093/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://127.0.0.1:33093/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:33093/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://127.0.0.1:33093/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:33093/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://127.0.0.1:33093/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:33093/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://127.0.0.1:33093/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:33093/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://127.0.0.1:33093/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:33093/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": 568.6851770000001,
        "min": 557.189939,
        "max": 619.124146
      },
      "first_navigation_ms": {
        "n": 10,
        "median": 31.414243499999998,
        "min": 22.561309,
        "max": 45.713005
      },
      "launch_to_first_page_ms": {
        "n": 10,
        "median": 601.4483325,
        "min": 585.058358,
        "max": 665.072101
      },
      "tiny_navigation_ms": {
        "n": 100,
        "median": 15.296358,
        "min": 9.865277,
        "max": 29.4381
      },
      "tiny_extract_ms": {
        "n": 100,
        "median": 6.192826,
        "min": 2.643981,
        "max": 23.290191
      },
      "large_navigation_ms": {
        "n": 50,
        "median": 30.4022905,
        "min": 24.594013,
        "max": 49.997565
      },
      "large_extract_ms": {
        "n": 50,
        "median": 83.63737449999999,
        "min": 61.37698,
        "max": 125.352768
      },
      "large_extract_json_ms": {
        "n": 50,
        "median": 7.4942850000000005,
        "min": 5.509794,
        "max": 28.830821
      },
      "image_navigation_ms": {
        "n": 30,
        "median": 118.0954705,
        "min": 116.314497,
        "max": 127.821671
      },
      "screenshot_ms": {
        "n": 20,
        "median": 47.384984,
        "min": 29.267355,
        "max": 53.954981
      },
      "rss_mib": {
        "n": 10,
        "median": 1171.44921875,
        "min": 1163.33984375,
        "max": 1177.625
      },
      "pss_mib": {
        "n": 10,
        "median": 506.1865234375,
        "min": 504.828125,
        "max": 508.6533203125
      },
      "display_pss_mib": {
        "n": 10,
        "median": 0.0,
        "min": 0.0,
        "max": 0.0
      },
      "total_pss_mib": {
        "n": 10,
        "median": 506.1865234375,
        "min": 504.828125,
        "max": 508.6533203125
      },
      "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://127.0.0.1:33093/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:33093/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://127.0.0.1:33093/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:33093/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://127.0.0.1:33093/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:33093/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://127.0.0.1:33093/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:33093/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://127.0.0.1:33093/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:33093/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://127.0.0.1:33093/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:33093/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://127.0.0.1:33093/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:33093/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://127.0.0.1:33093/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:33093/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://127.0.0.1:33093/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:33093/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://127.0.0.1:33093/tiny?recovery=1\" is interrupted by another navigation to \"chrome-error://chromewebdata/\"\nCall log:\n  - navigating to \"http://127.0.0.1:33093/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": 422.697474,
        "min": 413.030758,
        "max": 430.467516
      },
      "first_navigation_ms": {
        "n": 10,
        "median": 23.991194,
        "min": 21.982226,
        "max": 26.587823
      },
      "launch_to_first_page_ms": {
        "n": 10,
        "median": 448.1276975,
        "min": 437.501133,
        "max": 454.581738
      },
      "tiny_navigation_ms": {
        "n": 100,
        "median": 15.6452505,
        "min": 12.357275,
        "max": 23.57236
      },
      "tiny_extract_ms": {
        "n": 100,
        "median": 2.6181039999999998,
        "min": 1.300734,
        "max": 8.681328
      },
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        "n": 50,
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    "units": "uncompressed logical bytes, deduplicated by device/inode",
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