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Commits on Feb 27, 2026

• Merge pull request #5 from iand675/cursor/nix-flake-development-environment-379d

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• Switch flake to default GHC (9.10)

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• Add nix flake for development environment and package builds

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Commits on Feb 26, 2026

• Merge pull request #4 from iand675/cursor/rrb-tree-persistent-vector-3bbd

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• Full 32x unrolling for foldlChunk32, mapChunk32, foldrChunk32

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• Revert foldl' to INLINE (restores fused pipeline perf), keep structural reverse + chunk-aware filter

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• Core-driven optimizations: O(n) structural reverse, chunk-aware filter, fused fold engine

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• Implement remaining future work items

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• Add chunk-level fusion rules, batch //, pointer-eq Eq

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• Add ChunkedBundle chunk-level fusion framework

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• Update README for RRB-tree features, verify benchmarks compile

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• Update cabal description for RRB-trees, clean up imports and warnings

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• Fix consLeafToTree shift level, add 14 RRB property tests

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• Fix pushTail navigation: use tree size after push, fix Leaf-root handling in mPushTail

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• RRB-tree overhaul: Relaxed nodes with size tables, symmetric prefix/suffix buffers, O(log n) concat/split

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• Merge pull request #3 from iand675/cursor/stream-rules-filter-optimization-59b6

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Commits on Feb 25, 2026

• Document comprehensive catalog of algebraic rewrite rule opportunities

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• Add novel stream rules and document pvector-specific optimization roadmap

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• Add benchmark results, SVG charts, and updated README

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• Document unported vector-library rules as TODOs

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• Add stream-level init/tail/slice and slice-through-unstream rules

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• Add consumer forwarding rules and stream-level consumer functions

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• Add exhaustive GHC rewrite rules comparison: vector/vector-stream vs pvector

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• Add whnf filter benchmarks to isolate construction cost

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• Fix filterDirect: use allPassChunk+mPushChunk without separate buffer

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• Optimize filterDirect with buffered chunk-aware approach

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• Merge pull request #2 from iand675/cursor/pvector-performance-optimization-2df4

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• Direct tree grafting for append: slot v1's root wholesale into result

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• Use Empty root for small vectors: eliminate indirection for n <= 32

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• Stream fusion framework: forwarding rules, consumer fusion, composition rules

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• Clean up temporary benchmark/analysis files

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• Chunk-based reverse, revert foldr regression

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• Chunk-based append and concat: reuse tree nodes, rechunk at boundaries

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• Round 2: optimize mapDirect, reverse, append, filter, replicate, foldr

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• Optimize foldl' and map: inline tree walk, remove inplace rule

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