Reproducible benchmarks that back up claims in articles on the blog. Each one is a plain notebook with the data generator inside — no hidden CSVs, no signup. Run them on your laptop or in Colab.
10M rows · 3 engines
Cumulative sum in SQL — window vs self-join
Window functions beat self-joins by ~60× at 10M rows. Postgres 16, DuckDB 1.0, ClickHouse 24. Includes the dataset generator.