iptvnator/tools/performance/journey-baselines.json

{
    "version": 1,
    "journeys": {
        "launch": {
            "renderer.initialBytes": {
                "value": 1595777,
                "unit": "bytes",
                "slack": 4096,
                "updatedAt": "2026-10-07",
                "evidencePr": 1810,
                "measuredWith": "pnpm nx build web && pnpm run perf:initial-bytes"
            },
            "renderer.ipcCallsToFirstCard": {
                "value": 15,
                "unit": "calls",
                "slack": 0,
                "updatedAt": "2026-10-04",
                "evidencePr": 1828,
                "evidenceRun": "https://github.com/4gray/iptvnator/actions/runs/37192092882",
                "measuredWith": "pnpm run perf:journeys (ubuntu-latest, xvfb), identical in 3 runs"
            },
            "renderer.domMutationsToFirstCard": {
                "value": 570,
                "unit": "mutations",
                "slack": 0,
                "updatedAt": "2026-10-12",
                "evidencePr": 1903,
                "measuredWith": "J1 launch A/B on macOS (pnpm run perf:journeys builds, launch journey only): master 6fe684af5 555, PR 1903 556 in every iteration; CI measured 569 on master",
                "note": "Raised by 1 for self-hosted server storage: its new lazy chunks (server sign-in, server-storage providers, Settings > Server) split one shared initial chunk in two, so index.html carries one more modulepreload link, a node the parser inserts. Initial bytes stay within their baseline."
            },
            "main.modulesRegisteredBeforeWindow": {
                "value": 2,
                "unit": "phases",
                "slack": 0,
                "note": "guard only, not validated: no PR has yet shown that lowering this counter lowers the journey wall-clock (Principle 3)",
                "updatedAt": "2026-10-04",
                "evidencePr": null,
                "evidenceRun": "https://github.com/4gray/iptvnator/actions/runs/37184230956",
                "measuredWith": "pnpm run perf:journeys (ubuntu-latest, xvfb), identical in all 55 measured iterations of 11 master runs, 2026-10-03 to 2026-10-04"
            },
            "renderer.layoutShiftScore": {
                "value": 0,
                "unit": "score",
                "slack": 0,
                "note": "guard only, not validated: no PR has yet shown that lowering this counter lowers the journey wall-clock (Principle 3)",
                "updatedAt": "2026-10-04",
                "evidencePr": null,
                "evidenceRun": "https://github.com/4gray/iptvnator/actions/runs/37184230956",
                "measuredWith": "pnpm run perf:journeys (ubuntu-latest, xvfb), identical in all 55 measured iterations of 11 master runs, 2026-10-03 to 2026-10-04"
            },
            "renderer.layoutShiftScoreSettled": {
                "value": 0,
                "unit": "score",
                "slack": 0,
                "note": "guard only, not validated: no PR has yet shown that lowering this counter lowers the journey wall-clock (Principle 3)",
                "updatedAt": "2026-10-04",
                "evidencePr": null,
                "evidenceRun": "https://github.com/4gray/iptvnator/actions/runs/37184230956",
                "measuredWith": "pnpm run perf:journeys (ubuntu-latest, xvfb), identical in all 55 measured iterations of 11 master runs, 2026-10-03 to 2026-10-04"
            }
        },
        "open-source": {
            "main.mockHttpRequestsToSettled": {
                "value": 1,
                "unit": "requests",
                "slack": 0,
                "note": "guard only, not validated: no PR has yet shown that lowering this counter lowers the journey wall-clock (Principle 3)",
                "updatedAt": "2026-10-04",
                "evidencePr": null,
                "evidenceRun": "https://github.com/4gray/iptvnator/actions/runs/37184230956",
                "measuredWith": "pnpm run perf:journeys (ubuntu-latest, xvfb), identical in all 55 measured iterations of 11 master runs, 2026-10-03 to 2026-10-04"
            },
            "renderer.ipcCallsToFirstPage": {
                "value": 17,
                "unit": "calls",
                "slack": 0,
                "note": "guard only, not validated: no PR has yet shown that lowering this counter lowers the journey wall-clock (Principle 3)",
                "updatedAt": "2026-10-04",
                "evidencePr": null,
                "evidenceRun": "https://github.com/4gray/iptvnator/actions/runs/37184230956",
                "measuredWith": "pnpm run perf:journeys (ubuntu-latest, xvfb), identical in all 55 measured iterations of 11 master runs, 2026-10-03 to 2026-10-04"
            },
            "renderer.layoutShiftScore": {
                "value": 0,
                "unit": "score",
                "slack": 0,
                "note": "guard only, not validated: no PR has yet shown that lowering this counter lowers the journey wall-clock (Principle 3)",
                "updatedAt": "2026-10-11",
                "evidencePr": null,
                "evidenceRun": "https://github.com/4gray/iptvnator/actions/runs/38147072417",
                "measuredWith": "pnpm run perf:journeys (ubuntu-latest, xvfb), 0 with no shift recorded in all 5 measured iterations of PR #1895 (d2cb9445d), which slides the content frame and header controls instead of jumping (was 0.233)"
            }
        },
        "playback": {
            "renderer.httpRequestsToPlaying": {
                "value": 2,
                "unit": "requests",
                "slack": 0,
                "note": "guard only, not validated: no PR has yet shown that lowering this counter lowers the journey wall-clock (Principle 3)",
                "updatedAt": "2026-10-04",
                "evidencePr": null,
                "evidenceRun": "https://github.com/4gray/iptvnator/actions/runs/37184230956",
                "measuredWith": "pnpm run perf:journeys (ubuntu-latest, xvfb), identical in all 55 measured iterations of 11 master runs, 2026-10-03 to 2026-10-04"
            },
            "renderer.layoutShiftScore": {
                "value": 0.001,
                "unit": "score",
                "slack": 0,
                "note": "guard only, not validated: no PR has yet shown that lowering this counter lowers the journey wall-clock (Principle 3)",
                "updatedAt": "2026-10-04",
                "evidencePr": null,
                "evidenceRun": "https://github.com/4gray/iptvnator/actions/runs/37184230956",
                "measuredWith": "pnpm run perf:journeys (ubuntu-latest, xvfb), identical in all 55 measured iterations of 11 master runs, 2026-10-03 to 2026-10-04"
            }
        },
        "search": {
            "renderer.ipcCallsPerSearch": {
                "value": 1,
                "unit": "calls",
                "slack": 0,
                "note": "guard only, not validated: no PR has yet shown that lowering this counter lowers the journey wall-clock (Principle 3)",
                "updatedAt": "2026-10-12",
                "evidencePr": 1899,
                "evidenceRun": "https://github.com/4gray/iptvnator/actions/runs/38165392046",
                "measuredWith": "pnpm run perf:journeys (ubuntu-latest, xvfb), identical in all 18 measured iterations of 3 runs of #1899 (attempts 1-3), and in all 816 J4 iterations of the 136 CI journey jobs since #1816"
            },
            "renderer.sqlStatementsPerSearch": {
                "value": 2,
                "unit": "statements",
                "slack": 0,
                "note": "guard only, not validated: no PR has yet shown that lowering this counter lowers the journey wall-clock (Principle 3)",
                "updatedAt": "2026-10-12",
                "evidencePr": 1899,
                "evidenceRun": "https://github.com/4gray/iptvnator/actions/runs/38165392046",
                "measuredWith": "pnpm run perf:journeys (ubuntu-latest, xvfb), identical in all 18 measured iterations of 3 runs of #1899 (attempts 1-3), and in all 816 J4 iterations of the 136 CI journey jobs since #1816"
            }
        }
    }
}