Fast token count estimation library
Efficiently count lines in files or stdin with estimation for large files.
Rust implementation of the UltraLogLog algorithm
PostgreSQL performance database insights
Fast token count estimation for LLMs at 96% accuracy without a full tokenizer
Tokenless byte/char-based token-count estimator for LLM prompts. Per-model-family calibration for Claude, GPT, Gemini, Llama. Zero deps.
Production-grade data structures and algorithms — zero external dependencies
use the CVM algorithm to quickly estimate the number of distinct elements in a stream
Developer utilities and token counting tools.
A Redis-compatible HyperLogLog service with pluggable storage backends
A high-performance sketching library for approximate stream processing
stdin(bloom bits) -> stdout(estimated count)
Adds a method count_estimate to ActiveRecord::Relation based on https://wiki.postgresql.org/wiki/Count_estimate
Uses EXPLAIN to get an estimate count for an ActiveRecord::Relation
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