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59aa70ce5a
A 4x-CPU-throttled retrace (the honest weak-hardware proxy) surfaced three residual per-frame costs; stack attribution pinned each: - getParameters/getProgramCacheKey (~4% of main thread): every pooled label sprite map swap set material.needsUpdate, bumping material.version and forcing full program re-resolution next render. Swapping between two non-null cached textures never changes the compiled program (USE_MAP define unchanged) — new _setLabelMap() helper only flags needsUpdate on a null<->texture transition, used at all 7 swap sites. - getBoundingClientRect (~1.2%): the 3D highway's per-frame canvas-size self-check forced a layout read every frame. The CSS-box drift read now runs every 10th frame (or when the wrap isn't pinned); the backing-store comparison stays per-frame with cheap property reads and forces an immediate box read + applySize when it fires. - set textContent: the core 60 Hz HUD clock rewrote hud-time (and getElementById'd it) every tick for a display that changes 1/s — now write-on-change with a cached element ref. (The remaining textContent writer in the trace is notedetect's badges.js — external repo, to be filed there.) tests/js: resize-reframe shape test updated for the hoisted _bsChanged gate, incl. an assertion that the throttle can never delay the backing-store path. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
13 lines
412 B
JSON
13 lines
412 B
JSON
{
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"id": "highway_3d",
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"name": "3D Highway",
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"version": "3.31.1",
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"type": "visualization",
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"bundled": true,
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"script": "screen.js",
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"styles": "assets/plugin.css",
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"settings": { "html": "settings.html", "category": "graphics", "server_files": ["plugin_uploads/highway_3d/current.mp4", "plugin_uploads/highway_3d/current.webm"] },
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"routes": "routes.py",
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"tour": "tour.json"
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}
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