fsst decompress optimize try 2#7001

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joseph-isaacs wants to merge 17 commits intodevelopfrom

claude/fsst-decompress-optimize-TylL2

Commits on Mar 17, 2026

Optimize FSST decompression with packed symbol table and targeted benchmarks
claude
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Improve FSST decompressor: separate arrays, unrolled escape match, fair benchmarks
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Add 32-code block fast path to FSST decompressor for 10-15% speedup
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Add experimental AVX-512 and combined-table FSST decompressor variants
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Optimize FSST decompressor: re-entering 32-code fast path after escapes
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Add FSST decompressor optimization exploration document
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Improve FSST decompressor: N=1 re-entry + runtime BMI1/BMI2 dispatch
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Simplify FSST decompressor: keep match, clean up bounds and escape_mask
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Add cold() branch hints to FSST decompressor escape paths
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Inline view construction in FSST canonicalize path for 26-47% end-to-end speedup
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Update optimization doc with inlined build_views results
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Eliminate Vec<usize> allocation in FSST view building
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Update Cargo.lock and fix comment
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Add isolated view-building and raw URL benchmarks
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Replace synthetic benchmarks with real-world datasets and add short-string coverage
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Simplify emit_before_escape macro and remove optimization doc
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Optimize FSST inline view construction and escape handling
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