feat: improve runtime filter check via SIMD #19039
Merged
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Summary
The old runtime filter loop marched slot by slot with data-dependent branches, so the compiler couldn’t auto-vectorize the block mask checks. The rewrite explicitly packs mask bits into lanes and processes whole batches through dedicated SIMD helpers, removing the branchy scalar path so the hot loop now maps cleanly onto wide bitwise ops.
This PR reduces Bloom filter check overhead by 50%. Performance on several TPC-H queries improved by 10–30%.
Tests
Type of change
This change is