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perf: faster effects, expressions, text, caches, movie reading, project open, export and UI playback - #856

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eliasx45 wants to merge 47 commits into

storytold:mainfrom

eliasx45:upstream/combined-perf

Open

perf: faster effects, expressions, text, caches, movie reading, project open, export and UI playback#856
eliasx45 wants to merge 47 commits into
storytold:mainfrom
eliasx45:upstream/combined-perf

Commits on Oct 11, 2026
- G5: cache-blocked 32x32 Plane::transpose
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- G5: Median histogram updates inline (generic column visitor)
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  4b66a11
- G5: Camera Lens Blur sums iris span counts once per iris
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- G5: Cell Pattern computes each cell's feature point once per frame
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- G5: rustfmt the Cell Pattern feature-point cache
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- G5: layer cache packs quantised 8/16 bpc entries (u8/u16, lossless) under budget pressure instead of evicting
  
  0Elias71
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- G5: declare the packed layer-cache modules in render's lib.rs
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- G5: 3D depth of field gathers only the two bracketing blur levels per pixel
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- G5: skip preparing out-of-run shadow casters when the render casts no shadows
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- G5: expressions collect every host miss per run, prefetch last evaluation's reads, lazy keyframe lists, geometric shape sourceRectAtTime, memoised own path
  
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- G5: expression results shared between evaluations, validated by every answer the last run read
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- G5: bound the shared expression memo by answer bytes; rig timing compares memo off/on
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- G5: expression perf tests assign Vec<Layer> directly (no Layers type upstream)
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- G5: cache finished text geometry and share glyph outlines
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- G5: font files are read once for all their faces (.ttc collections) and the UI shares the text engine's bytes instead of copying fallback fonts
  
  0Elias71
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- G5: import what the shared font-file cache needs in fonts.rs
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- G5: text layout oracle without the digit-set substitution (not on this branch)
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- G5: stream property-tree nodes when loading projects
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- G5: skip the effect-instance copy on open when nothing needs upgrading
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- Fix: is_current sees upstream's Hidden/Text → File parameter upgrade (#514), so opening a project upgrades old Apply Color LUT / OCIO instances
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- G5: export honours the Memory & CPU budget: job layer cache sized by it, frames in flight bounded by frame bytes
  
  0Elias71
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- G5: export renders the next batch while the current one encodes (movie, WebM VP9/AV1)
  
  0Elias71
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- G5: later output modules of a render queue item continue from the previous module's layer cache
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- G5: render each frame once for output modules that share it
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- G5: hand an item's output modules to the exporter at once
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- G5: the host exporter renders each frame once for an item's output modules
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- G5: open movies through a file reader (index now, samples on demand) and probe audio/movies from headers, not whole-file reads and decodes
  
  0Elias71
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- G5: header probe without the AVIF sniff (no avif module upstream)
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- G5: GPU upload cache drops textures of freed layer buffers on every upload; upload/pool budgets follow the Memory & CPU layer budget
  
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- G5: Roto Brush segmentation cache follows the memory budget; disk-cache write queue bounded by bytes
  
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- G5: viewers upload shared frames without copying their pixels; passive viewers share the comp instead of cloning it every frame
  
  0Elias71
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- G5: a playing preview repaints when its next frame is due, not at the display refresh rate
  
  0Elias71
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- G5: viewer channel/exposure transform runs in parallel (Tier E)
  
  0Elias71
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- G5: rustfmt the viewer upload and channel-transform changes
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- G5: bound thumbnail textures (Media Browser, Project panel, Home) with an LRU
  
  0Elias71
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- G5: declare the thumbnail LRU module in ui-egui's lib.rs
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- G5: Timeline cache bar remembers its frame lists per cache generation (A9)
  
  0Elias71
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- G5: Lumetri Scopes share their cached scope and read the shown frame while playing (A8)
  
  0Elias71
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- G5: Footage panel borrows its footage and decodes once per frame (Tier E)
  
  0Elias71
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- G5: Footage panel decodes its frame on a worker thread, averaged down to the panel size, keyed on item + frame + interpretation
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- G5: Footage panel timecode takes the borrowed item (clippy needless_borrow)
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- G5: native menu catches up after a drag instead of rebuilding every frame of it (Tier E)
  
  0Elias71
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- G5: native menu updates paced to 4 per second and pushed only when the spec changes
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Commits on Oct 13, 2026
Commits on Oct 15, 2026
- PR856: resolve review issues and integrate upstream
  eliasx45
  committed
  98db5fe

Commits

Commits on Oct 11, 2026

Commits on Oct 13, 2026

Commits on Oct 15, 2026