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I Rewrote a Real Data Workflow in Polars. Pandas Didn’t Stand a Chance.

Towards Data Science Ibrahim Salami May 7, 2026
I Rewrote a Real Data Workflow in Polars. Pandas Didn’t Stand a Chance.
AI Summary— plain English for professionals

# Polars is dramatically faster than Pandas for processing large datasets A data analyst rewrote their real work project using a newer tool called Polars instead of the industry standard Pandas, and it completed the same job 300 times faster—finishing in less than a second instead of a full minute. The speedup matters because people who work with large spreadsheets and databases spend less time waiting for their computers and more time actually analyzing information. The analyst also discovered that thinking about data problems in this new tool fundamentally changed how they approached the work, suggesting Polars isn't just faster but actually encourages better practices.

From 61 seconds to 0.20 seconds — and the mental model shift I didn't expect The post I Rewrote a Real Data Workflow in Polars. Pandas Didn’t Stand a Chance. appeared first on Towards Data Science.

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