Unverified50% confidenceFactExact time
Vectorized execution calls SIMD instructions or tight loops on entire columns in batches (usually 1024 to 8192 rows), which is why columnar engines are an order of magnitude faster in scan-reduce scenarios, and also explains why that advantage completely disappears for single-row lookups.
1
Sources
50%
Confidence
Long-term
Relevance
10/18/2026
First Seen
Sources
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