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Performance regressions using rintro generally and obtain vs rcases/have #15871

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mattrobball opened this issue Aug 16, 2024 · 0 comments
Open

Performance regressions using rintro generally and obtain vs rcases/have #15871

mattrobball opened this issue Aug 16, 2024 · 0 comments

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@mattrobball
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In CategoryTheory.Sites.DenseSubsite #15350, we needed to put some dsimp's before obtains and break out rintros into rcases then haves to claw back some regression in performance with v4.11.0-rc1.
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@mattrobball