Possibly excessive transform creation · Issue #12031 · matplotlib/matplotlib · GitHub
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Possibly excessive transform creation #12031

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@efiring

Follow-up to #11972, which solves a memory leak, but leaves the question of whether we can improve performance by reducing the number of transform instantiations.

It was pointed out that simply moving the cursor in an otherwise static plot is enough to cause calls to Transform.set_children, which occurs when transforms are chained or blended.

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