OmikronApexandClaude Fable 5 59aa70ce5a perf: remove throttled-trace residuals — program churn, per-frame rect, HUD clock
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>
2026-07-02 00:40:52 +02:00
2026-06-16 18:47:13 +02:00
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2026-06-20 11:29:12 +02:00

fee[dB]ack

Plugins

Plugin Description Install
Create from Tab Search Ultimate Guitar for GP tabs and convert to playable songs git clone ...feedBack-plugin-ug.git ultimate_guitar
Import Tab Drag and drop Guitar Pro files to create songs git clone ...feedBack-plugin-tabimport.git tab_import
Practice Journal Auto-track practice time, speed, loops. Dashboard with charts git clone ...feedBack-plugin-practice.git practice_journal
Setlist Builder Create ordered playlists with sequential playback git clone ...feedBack-plugin-setlist.git setlist
Metronome Audible click and visual beat flash synced to song tempo git clone ...feedBack-plugin-metronome.git metronome
Tone Player View amp/pedal/cab signal chains with gear artwork git clone ...feedBack-plugin-tones.git tones
Fretboard View Live fretboard overlay showing active notes in real-time git clone ...feedBack-plugin-fretboard.git fretboard
Tab View Scrolling guitar tablature notation via alphaTab git clone ...feedBack-plugin-tabview.git tab_view
MIDI Amp Control Auto-switch amp/modeler presets via MIDI on tone changes git clone ...feedBack-plugin-midi.git midi_amp
Section Map Color-coded song structure minimap with clickable navigation git clone ...feedBack-plugin-sectionmap.git section_map
Arrangement Editor DAW-like visual editor for creating and editing song note charts git clone ...feedBack-plugin-editor.git editor
MIDI Capo MIDI capo control for real-time transposition git clone ...slopsmith-plugin-midi-capo.git midi_capo
Note Detection Real-time pitch detection and scoring against highway notes git clone ...feedBack-plugin-notedetect.git note_detect
Find More Search for more songs by the same artist git clone ...slopsmith-plugin-find-more.git find_more
Piano Highway Scrolling piano/keyboard view for Keys arrangements with MIDI input git clone ...feedBack-plugin-piano.git piano
Studio Collaborative band recording and multi-track mixing git clone ...feedBack-plugin-studio.git studio
Drum Highway Lane-based drum highway with MIDI drum pad input and built-in sounds git clone ...feedBack-plugin-drums.git drums
Invert Highway Flip the highway note direction git clone ...slopsmith-plugin-invert-highway.git invert_highway
Jumping Tab Yousician-style 2D horizontal tab with trajectory arcs and hopping ball git clone ...slopsmith-plugin-jumpingtab.git jumpingtab
Step Mode Step-by-step practice mode — highway freezes at each note until played (via Note Detection) or Space git clone ...feedBack-plugin-stepmode.git step_mode
Lyrics Sync Generate synced LRC lyrics from text + vocals stem via Whisper alignment git clone ...feedBack-plugin-lyrics-sync.git lyrics_sync
Lyrics Karaoke Per-syllable karaoke pitch ribbon for sloppak songs (Whisper alignment + librosa pYIN) git clone ...feedBack-plugin-lyrics-karaoke.git lyrics_karaoke
NAM Tone Engine In-browser amp modeling with NAM WASM, cabinet IRs, tone auto-switching git clone ...feedBack-plugin-nam-tone.git nam_tone
Guitar Theory Lab Explore scales, chords, intervals, tunings, and voicings on a fully interactive fretboard git clone ...slopsmith-plugin-guitar-theory.git guitar-theory-lab
Themes Offers several basic recolorings of the interface git clone ...slopsmith-plugin-themes.git themes
Update Manager Installs, updates, and uninstalls other plugins and the feedBack core itself git clone ...slopsmith-update-manager.git update_manager
Simplify Chords Changes complex chords on the note highway to simpler ones. Inspired by Ultimate Guitar's Simplify button. git clone ...slopsmith-plugin-simplify-chords.git simplify-chords
Key Bindings Highway key bindings for keyboard and TV remote git clone ...slopsmith-plugin-key-bindings.git key_bindings
Virtuoso Practice studio for guitar & bass — scale, technique, and rhythm drills, timed workouts, and jam backing that teach skills you take off the screen. git clone ...feedBack-plugin-virtuoso.git virtuoso
Audio Preview Quick audio previews from library cards with configurable start time, volume, and duration git clone ...slopsmith-plugin-audio-preview.git audio_preview
Song Mastery Auto-adjusts difficulty based on your rolling note accuracy and saves the slider position per song git clone ...slopsmith-plugin-song-mastery.git song_mastery
Mobile Note Highway Touch-optimized player with collapsible controls, highway gestures, and device-adaptive layouts for phones and tablets git clone ...slopsmith-plugin-mobile-note-highway.git mobile_note_highway

Install any plugin by cloning it into your plugins/ directory and restarting:

cd plugins
git clone https://github.com/got-feedback/feedBack-plugin-ug.git ultimate_guitar
docker compose restart
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