Talk "Blazing fast dataframes in Python with Polars".
Slides: https://nbviewer.org/format/slides/github/astrojuanlu/talk-polars/blob/main/slides.ipynb
Check out The great Python dataframe showdown, part 3: Lightning-fast queries with Polars for more background.
To convert the slides locally:
$ jupyter nbconvert slides.ipynb --to slides --template juanlu --TemplateExporter.extra_template_basedirs=./share/jupyter/nbconvert/templates