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feat(zarr-indexing): LazyArray — generic lazy indexing over array-API arrays - #4222

Merged

d-v-b merged 165 commits into

zarr-developers:mainfrom

d-v-b:feat/lazy-array-wrapper

Aug 12, 2026

Merged

feat(zarr-indexing): LazyArray — generic lazy indexing over array-API arrays#4222
d-v-b merged 165 commits into
zarr-developers:mainfrom
d-v-b:feat/lazy-array-wrapper

Commits on Jul 31, 2026
Commits on Aug 1, 2026
- docs(zarr-indexing): correct the claims a reviewer could check, and two dialect gaps
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  89edc6c
- fix(zarr-indexing): collapse an empty index array instead of extending the format
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  5934c1e
- fix(indexing): address lazy array review findings
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- fix(zarr-indexing): keep an empty masked result masked whichever parts are in force
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- docs(indexing): design chunk projection API
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- feat(indexing): add reusable chunk plans
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- feat(indexing): project chunks through paired transforms
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- refactor(indexing): build lazy parts from projections
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- refactor(indexing): expose projection-only chunk planning
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Commits on Aug 2, 2026
- docs(indexing): design visual indexing guide
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- docs(indexing): explain coordinate origins
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  287e0de
- docs(indexing): motivate negative chunk coordinates
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- feat(indexing-docs): add SVG diagram renderer
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  6b9e041
- fix(indexing-docs): harden diagram rendering
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  26a0054
- feat(indexing-docs): add accessible guide diagrams
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- fix(indexing-docs): correct guide figure semantics
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- fix(indexing-docs): prevent selection label overlap
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- fix(indexing-docs): validate arrow label offsets
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- test(indexing-docs): add executable guide examples
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- docs(indexing): add NumPy-first visual tour
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- docs(indexing): explain chunk projections visually
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- docs(indexing): add indexing and integration references
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- fix(indexing-docs): satisfy strict example typing
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- docs(indexing): connect visual guide to reference docs
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- fix(indexing-docs): source landing quickstart from example
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  e4b5032
- ci(indexing): verify executable visual docs
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- fix(indexing): address visual guide review
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- fix(indexing): improve chunk overlay on phones
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- docs(indexing): design system-memory chunk cache example
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Commits on Aug 3, 2026
- docs(indexing): introduce half-open intervals
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- test(indexing): narrow diagram label elements
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- docs(indexing): demonstrate a system-memory chunk cache
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- chore(indexing): stop tracking design specs
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- feat(indexing): apply and invert transforms
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- fix(indexing): handle scalar and wide transform coordinates
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- docs(indexing): explain the chunk-cache lifecycle
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- fix(indexing): keep lifecycle diagram readable
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- fix(indexing): keep lifecycle caption stationary
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- fix(indexing): keep guide diagrams readable
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- test(indexing): enforce unique guide figure wrappers
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- test(indexing): scan all guide sources for figure duplicates
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- docs(indexing): distinguish cache indexing modes
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- docs(indexing): scope lazy examples to package
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- fix(indexing): expose docs modules to root tests
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- Merge branch 'main' into feat/lazy-array-wrapper
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- docs(indexing): omit text from diagram legends
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- docs(indexing): strengthen chunk outlines
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- docs(indexing): label unselected chunk cells
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- fix(indexing): show coordinates in basic selection
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- docs(indexing): clarify coordinate-value mapping
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- docs(indexing): simplify half-open intervals
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- docs(indexing): explain ordered concatenation
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- docs(indexing): consolidate visual guide
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- docs(indexing): clarify basic selection figure
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- docs(indexing): simplify coordinate introduction
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- docs(indexing): explain result axis construction
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- docs(indexing): enclose slice result axis
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- fix(indexing): clarify result array comparison
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- fix(indexing): preserve tutorial result ranks
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- docs(indexing): promote chunk cache example
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- docs(indexing): render chunk cache source
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- fix(indexing): close final correctness gaps
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- docs(indexing): replace diagrams with ascii
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- chore(indexing): remove svg diagram pipeline
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- docs(indexing): simplify guide navigation
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- fix(indexing): align selection diagram columns
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Commits on Aug 4, 2026
- feat(indexing): add explicit array readers
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  bb9e183
- refactor(indexing): resolve lazy arrays through readers
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- docs(indexing): exercise readers in chunk cache example
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- fix(indexing): preserve cache request event ordering
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  3d6d0ee
- refactor(indexing): remove indexing capability taxonomy
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- docs(indexing): explain explicit reader execution
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- test(indexing): avoid constructor spelling assertion
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- fix(indexing): complete reader migration
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- fix(indexing): keep reader helpers private
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- docs(indexing): finalize reader safety contract
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- feat(indexing): add compact chunk grids
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- fix(indexing): check affine coordinate arithmetic
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- fix(indexing): validate composed constants
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- fix(indexing): expose grid size representation
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- fix(indexing): validate direct advanced selections
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- fix(indexing): handle boolean list masks
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- fix(indexing): project sparse affine selections directly
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- fix(indexing): normalize chunk planner positions
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- fix(indexing): lower reader transforms through bounded slabs
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- refactor(indexing): expose global partition read context
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- fix(indexing): resolve read context annotations
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Commits on Aug 5, 2026
- feat(indexing): reuse prepared partition plans
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  42c1a4d
- fix(indexing): validate prepared partition coverage
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- test(indexing): enforce transform materialization laws
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  6ec8a4f
- docs(indexing): clarify chunk projection locality
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  79c4b86
- fix(indexing): harden transform and partition validation
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  d5f4368
- docs(indexing): separate examples from snippets
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- feat(indexing): support index protocol selectors
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- Merge branch 'main' into feat/lazy-array-wrapper
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  authored
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- feat(indexing): compose fancy selections without restriction
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  committed
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Commits on Aug 6, 2026
- refactor(indexing)!: retire ArrayMap.input_dimension
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  committed
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Commits on Aug 10, 2026
Commits on Aug 11, 2026
Commits on Aug 12, 2026

Commits

Commits on Jul 31, 2026

Commits on Aug 1, 2026

Commits on Aug 2, 2026

Commits on Aug 3, 2026

Commits on Aug 4, 2026

Commits on Aug 5, 2026

Commits on Aug 6, 2026

Commits on Aug 10, 2026