PERF: 3d draw speedups - #30994

Draft

scottshambaugh wants to merge 11 commits into

matplotlib:mainfrom

scottshambaugh:3d_draw_speed

Commits on May 27, 2026

Prefer nans to masked arrays where applicable
scottshambaugh
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877ca81
cache expensive calculations that happen once per draw
scottshambaugh
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b98f67d
Speed up min calcs
scottshambaugh
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caa41a7
Update ticks once per axis per draw
scottshambaugh
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c5bc69e
Batch transform 3d ticks
scottshambaugh
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8037b10
Fix deprecation warning
scottshambaugh
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d9b4670
Dont open renderer group when returning early
scottshambaugh
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469f8a4
Speed up _vec_pad_ones
scottshambaugh
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87d4179
Clean up import
scottshambaugh
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a2e4259
Arrays are known non-ragged
scottshambaugh
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26b3d25
Simpler nanmin calcs
scottshambaugh
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eb7baff