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iptvnator/tools/performance/journey-baselines.json
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4grayandClaude Opus 5.5 32ab69855f perf(web): ratchet the change-detection ticks that zoneless made deterministic 
On the canonical runner (Performance ratchet run 38359088033, three runs
of this branch, five iterations each) renderer.cdTicksToFirstCard read 5,
renderer.cdTicksIdle30s 3 and renderer.cdTicksToFirstPage 9 in all 15
iterations, against 31, 1 to 4 and 22 with zone.js. They become baselines
with zero slack and the Performance journeys job checks them. J3 and J4
tick counts still vary by one and stay unenforced; J3 wall clock is in
master's range, so the local rise measured on #1824 was machine load.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-13 21:51:12 +02:00

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{
"version": 1,
"journeys": {
"launch": {
"renderer.initialBytes": {
"value": 1545931,
"unit": "bytes",
"slack": 4096,
"updatedAt": "2026-10-13",
"evidencePr": 1929,
"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": 569,
"unit": "mutations",
"slack": 0,
"updatedAt": "2026-10-10",
"evidencePr": 1871,
"evidenceRun": "https://github.com/4gray/iptvnator/actions/runs/38045444230",
"measuredWith": "pnpm run perf:journeys (ubuntu-latest, xvfb), identical in 3 runs"
},
"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"
},
"renderer.cdTicksToFirstCard": {
"value": 5,
"unit": "ticks",
"slack": 0,
"updatedAt": "2026-10-13",
"evidencePr": 1929,
"evidenceRun": "https://github.com/4gray/iptvnator/actions/runs/38359088033",
"measuredWith": "pnpm run perf:journeys (ubuntu-latest, xvfb), identical in all 15 measured iterations of 3 runs of #1929 (zoneless, d88d00506)"
},
"renderer.cdTicksIdle30s": {
"value": 3,
"unit": "ticks",
"slack": 0,
"updatedAt": "2026-10-13",
"evidencePr": 1929,
"evidenceRun": "https://github.com/4gray/iptvnator/actions/runs/38359088033",
"measuredWith": "pnpm run perf:journeys (ubuntu-latest, xvfb), identical in all 15 measured iterations of 3 runs of #1929 (zoneless, d88d00506)"
}
},
"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)"
},
"renderer.cdTicksToFirstPage": {
"value": 9,
"unit": "ticks",
"slack": 0,
"updatedAt": "2026-10-13",
"evidencePr": 1929,
"evidenceRun": "https://github.com/4gray/iptvnator/actions/runs/38359088033",
"measuredWith": "pnpm run perf:journeys (ubuntu-latest, xvfb), identical in all 15 measured iterations of 3 runs of #1929 (zoneless, d88d00506)"
}
},
"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"
}
}
}
}
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