Posts by Patrick Hoefler

Dask performance benchmarking put to the test: Fixing a pandas bottleneck

Getting notified of a significant performance regression the day before release sucks, but quickly identifying and resolving it feels great!

We were getting set up at our booth at JupyterCon 2023 when we received a notification: An engineer on our team had spotted a significant performance regression in Dask. With an impact of 40% increased runtime, it blocked the release planned for the next day!

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