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perf: faster first frames, playback and loading, with less memory - #1

Merged

dXnSix merged 53 commits into

mainfrom

refactor/perofrmance-improvements

Oct 28, 2026

Merged

perf: faster first frames, playback and loading, with less memory#1
dXnSix merged 53 commits into
mainfrom
refactor/perofrmance-improvements

Commits on Oct 27, 2026
- feat(check): bench a folder's load, first frame, allocations and frames
  dXnSix
  committed
  8b0bf93
- perf(nsh): find where outlines switch commands without making the paths
  dXnSix
  committed
  050fa8f
- fix(check): bench counts reallocations once
  dXnSix
  committed
  7744e03
- perf(nsh): encode the plan's images as fast as the moving rasters
  dXnSix
  committed
  d0d3f07
- perf(nsh): place a group's lengths from its chain's transforms, without probe frames
  dXnSix
  committed
  32fe684
- perf(nsh): bisect outline switches on the easing alone
  dXnSix
  committed
  cc74057
- perf(nsh): demultiply a PNG's pixels into a buffer of its size
  dXnSix
  committed
  bfa8a50
- perf(render): box blur over pixel chunks
  dXnSix
  committed
  50f02d7
- perf(render): blur columns a whole row at a time
  dXnSix
  committed
  e874f1e
- perf(nsh): compile the plan once on load, for the view, and draw with it
  dXnSix
  committed
  e5a3555
- perf(nsh): share the loaded scene with what plays it
  dXnSix
  committed
  846c2ee
- perf(core): a frame's fill and stroke take the shape's path rather than copies
  dXnSix
  committed
  5e739f5
- perf(core): sample a shape of one untrimmed outline without merging it into a copy
  dXnSix
  committed
  8b01342
- perf(nsh): read a repeating track as one repetition modulo its period
  dXnSix
  committed
  2eed04c
- perf(render): the horizontal blur copies a row whole
  dXnSix
  committed
  9eb5859
- perf(svg): read each keyframe value once
  dXnSix
  committed
  1821a74
- perf(svg): unroll each CSS iteration's values with one copy
  dXnSix
  committed
  d4d0389
- perf(svg): match a selector's classes without collecting the element's
  dXnSix
  committed
  9e333c7
- perf(svg): index a sheet's selectors by the id, class or tag they need
  dXnSix
  committed
  e254a83
- perf(lottie): baked outlines move into their keyframes
  dXnSix
  committed
  066cc56
- perf(nsh): keep only the samples a sampled value needs
  dXnSix
  committed
  66c6207
- perf(nsh): a gradient's reach is sampled within a thousandth
  dXnSix
  committed
  aa1593c
- perf(lottie): escape a JSON pointer's key only where it holds ~ or /
  dXnSix
  committed
  97511e7
- perf(nsh): a track or lookup of one value is a constant
  dXnSix
  committed
  d3355eb
- perf(nsh): canvases drop the saves that keep nothing
  dXnSix
  committed
  1fe9327
- perf(nsh): still translations in a row are one
  dXnSix
  committed
  270d269
- perf(core): build rectangles', ellipses' and stars' outlines at their size
  dXnSix
  committed
  05baeed
- perf(render): composite a layer only where it draws
  dXnSix
  committed
  2b26404
- perf(render): composite normal layers directly, as the pipeline would
  dXnSix
  committed
  50e8c01
- perf(core): read a compiled scene in one pass
  dXnSix
  committed
  d585323
- feat(check): the bench reads JSON files as imported values too
  dXnSix
  committed
  5ffa2cb
- perf: read an imported JSON value as it is, not as text again
  dXnSix
  committed
  f0f22b4
- perf(lottie): read a value without copying it unless expressions are baked into it
  dXnSix
  committed
  164b20d
- perf(svg): share an element's cascaded declarations rather than copy them
  dXnSix
  committed
  4e03983
- perf(svg): read CSS declarations without copies of their text
  dXnSix
  committed
  8b6f7a2
- perf(nsh): tell graph nodes apart by a fast hash
  dXnSix
  committed
  100fa16
- perf(nsh): know a still scene without sampling its frames
  dXnSix
  committed
  005e0f9
- perf(render): write a blur back in a flat pass
  dXnSix
  committed
  5cf36e9
- perf(lottie): size merge paths' polygon buffers ahead
  dXnSix
  committed
  9e9e7ef
- perf(nsh): add to a sampled part without copying it
  dXnSix
  committed
  e08e517
- perf(render): composite directly byte by byte, without branches
  dXnSix
  committed
  b2faedf
- docs: what playing costs, after the performance improvement loop
  dXnSix
  committed
  c88941a
Commits on Oct 28, 2026

Commits

Commits on Oct 27, 2026

Commits on Oct 28, 2026