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PERF: only do length-1 checks once in concat #52784

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Merged
merged 4 commits into from
Apr 19, 2023
Merged

PERF: only do length-1 checks once in concat #52784

merged 4 commits into from
Apr 19, 2023

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jbrockmendel
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also simplify get_reindexed_values

@mroeschke mroeschke added Performance Memory or execution speed performance Reshaping Concat, Merge/Join, Stack/Unstack, Explode labels Apr 19, 2023
@mroeschke mroeschke added this to the 2.1 milestone Apr 19, 2023
@mroeschke mroeschke merged commit fc4ff26 into pandas-dev:main Apr 19, 2023
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Thanks @jbrockmendel

@jbrockmendel jbrockmendel deleted the perf-concat-single-unit branch April 19, 2023 23:08
@code-narrator code-narrator mentioned this pull request Sep 27, 2023
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@mroeschke mroeschke mroeschke approved these changes

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Performance Memory or execution speed performance Reshaping Concat, Merge/Join, Stack/Unstack, Explode
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