pcbjam/docs/features/async/migration-evidence/bench-data-2026-08/bundle-sizes.json
Viktor Vaczi da299ed6f9 bench: JSPI vs asyncify A/B — harness + results
Adds pcbnew-large-perf.spec.ts (PERF_LARGE-gated: repeated cold loads,
vme-wren/jetson opens, rAF + distinct-glcanvas-frame FPS under throttle,
wasm/JS heap checkpoints), fetchIntoMemfs + openAndWait/sampleMemory/
measureFpsDetailed perf-utils, dual 9.99+10.0 config seeding in pcbnew.html
so foreign-branch builds boot wizard-free, and the full benchmark report +
raw data under docs/features/async/migration-evidence/.

Headlines: wasm 94 vs 113 MB raw (18.6 vs 36.7 MB gzip), post-link tail
1.6 s/49 MB vs 63 s/6.1 GB per build, cold load −40 %, 27.7 MB board open
−45 %, real redraws +68 % at 4× throttle, boot heap −31 %.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_016X9eh1s5sTx1o9Em9KBuwR
2026-08-14 11:53:06 +02:00

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{
"jspi": {
"kicad_editor.wasm": {
"raw": 98664038,
"gzip": 19469712,
"brotli": 14173019
},
"kicad_editor.js": {
"raw": 474692,
"gzip": 116955,
"brotli": 106125
},
"wx.js": {
"raw": 74281,
"gzip": 17356,
"brotli": 16439
},
"wx-dom.js": {
"raw": 63269,
"gzip": 16857,
"brotli": 15848
},
"images.tar.gz": {
"raw": 5370904,
"gzip": 5372562,
"brotli": 5114985
},
"TOTAL": {
"raw": 104647184,
"gzip": 24993442,
"brotli": 19426416
}
},
"asyncify": {
"kicad_editor.wasm": {
"raw": 118557371,
"gzip": 38473650,
"brotli": 25666194
},
"kicad_editor.js": {
"raw": 472325,
"gzip": 116872,
"brotli": 105662
},
"wx.js": {
"raw": 74281,
"gzip": 17356,
"brotli": 16439
},
"wx-dom.js": {
"raw": 63041,
"gzip": 16773,
"brotli": 15765
},
"images.tar.gz": {
"raw": 5370145,
"gzip": 5371803,
"brotli": 5160999
},
"TOTAL": {
"raw": 124537163,
"gzip": 43996454,
"brotli": 30965059
}
}
}