HyperLogLog

Maneshwar, a developer building the AI code review tool LiveReview, explains how HyperLogLog can estimate cardinality for massive datasets like 100 billion unique visitors using only about 12 kilobyte…

Researchers introduced a model-side aggregation interface using Hash-based HyperLogLog (HLL) sketches that maintains compact 2 KiB states alongside frozen language models, achieving 1.6% mean relative…