Posts tagged "polars"

#polars

Polars🟡Intermediate

Sep 1, 20268 min read

polars vs pandas for Data Pipelines: Where the Speedup Is Real and Where It Is Not

A decision guide rather than a benchmark: what the expression API and lazy engine actually buy you, which pandas jobs will not get faster, and the ecosystem gaps that still send work back to pandas.

polars
python
performance

Illustrated overview of Polars LazyFrames: The Speedup Is the Plan, Not the Syntax

Polars🟢Beginner

Aug 29, 20265 min read

Polars LazyFrames: The Speedup Is the Plan, Not the Syntax

Eager Polars still OOM’d a 12 GB box. Lazy scan, streaming collect, and leaving most pandas jobs alone — plus when DuckDB or Spark is the honest next step.

polars
python