File size: 2,203 Bytes
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"_meta": {
"note": "Median of 5 runs, darwin-arm64, `--spawn --prod` (PRODUCTION minified renderer, real boot \u2014 no fake-boot). Representative shipped numbers, not dev-inflated. cold-start reuses one profile so the V8 code cache is WARM (what users get after first launch, ~1.0s); a fresh-profile first launch is ~+400ms (measure with `--cold-fresh`). Marks are process-spawn wall clock (spawn_to_*) or renderer nav-relative (dom_*). Re-baseline per device with `--update-baseline`; tolerances loose for cross-machine/disk variance.",
"platform": "darwin-arm64",
"node": "v24.11.0",
"updated": "2026-07-27T00:30:11.290Z"
},
"scenarios": {
"stream": {
"tolerance": {
"tolFrac": 0.6,
"tolAbs": 5
},
"metrics": {
"longtasks_n": 1,
"longtask_max_ms": 67,
"frame_p95_ms": 22,
"frame_p99_ms": 23.7,
"slow_frames_33": 1,
"intermut_p95_ms": 36.1
}
},
"keystroke": {
"tolerance": {
"tolFrac": 0.6,
"tolAbs": 4
},
"metrics": {
"keystroke_p50_ms": 2.1,
"keystroke_p95_ms": 8.7,
"keystroke_p99_ms": 16.9,
"keystroke_slow_16": 2
}
},
"transcript": {
"tolerance": {
"tolFrac": 0.75,
"tolAbs": 40
},
"metrics": {
"transcript_mount_ms": 145,
"transcript_longtask_ms": 82,
"transcript_longtask_max_ms": 82
}
},
"cold-start": {
"tolerance": {
"tolFrac": 0.6,
"tolAbs": 150
},
"metrics": {
"spawn_to_cdp_ms": 606,
"spawn_to_driver_ms": 984,
"dom_interactive_ms": 324,
"dom_content_loaded_ms": 574,
"nav_to_read_ms": 721
}
},
"multitab": {
"metrics": {
"longtasks_n": 0,
"longtask_max_ms": 0,
"frame_p95_ms": 29.1,
"frame_p99_ms": 36.2,
"slow_frames_33": 9
}
},
"render-churn": {
"metrics": {
"sidebar_renders": 0,
"sidebar_wasted": 0,
"wasted_renders": 1704,
"total_renders": 8221,
"commits": 1352,
"wasted_notifies": 0
}
}
}
}
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