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PERF: More speedups #31004

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PERF: More speedups #31004

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@scottshambaugh scottshambaugh commented Jan 20, 2026 •
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PR summary

A collection of a few more speedups from profiling large 2D line, scatter, and fill_between plots. I didn't record my profiling runs for all these changes, but saw a ~40% speedup for a plot with 100x 5000-point lines.

  • Bbox.update_from_path gets some more fast paths
  • The other updates are all variations on avoiding extra numpy array copy operations

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@scottshambaugh scottshambaugh marked this pull request as ready for review January 21, 2026 00:59
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Performance topic: axes topic: collections and mappables topic: transforms and scales

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