Signal feed
Face-off
↗ 87%
Where the Memory Runs Out: pandas, Polars and DuckDB up to 160 Million Rows
One aggregation, seven sizes from one million to 160 million rows, and a hard memory fence on a 2-core machine. We kept adding rows…
Release radar
↗ 85%
pandas 3, Polars 2, DuckDB 2: We Ran the Release Notes
pandas, Polars and DuckDB each went up a whole number. We installed the old and new versions side by side and turned the official…
Face-off
↗ 83%
Check the Doorway: CSV vs Parquet on Five Million Rows
Our pandas vs Polars vs DuckDB race ended with advice to look at the file format before switching library. So we measured it: the…
Face-off
↗ 71%
pandas vs Polars vs DuckDB: We Raced Them on a Middle-Seat Computer
Five million rows, four everyday questions, one modest machine and a rule most benchmarks skip: every result checked, or the time doesn't count. The…
Rising this week
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