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PERF: get_dummies #56089

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merged 3 commits into from Nov 21, 2023
Merged

PERF: get_dummies #56089

merged 3 commits into from Nov 21, 2023

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lukemanley
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from asv_bench.benchmarks.reshape import GetDummies

b = GetDummies()
b.setup()

%timeit b.time_get_dummies_1d()

# 106 ms ± 4.77 ms per loop (mean ± std. dev. of 7 runs, 10 loops each)  <- main
# 17 ms ± 1.58 ms per loop (mean ± std. dev. of 7 runs, 10 loops each)   <- PR

@lukemanley lukemanley added Performance Memory or execution speed performance Reshaping Concat, Merge/Join, Stack/Unstack, Explode labels Nov 20, 2023
@lukemanley lukemanley added this to the 2.2 milestone Nov 20, 2023
@mroeschke mroeschke merged commit 6a8370e into pandas-dev:main Nov 21, 2023
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@mroeschke
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Nice thanks @lukemanley

phofl pushed a commit to phofl/pandas that referenced this pull request Nov 21, 2023
@lukemanley @phofl
PERF: get_dummies (pandas-dev#56089)
cc3cb3d 
* improve perf of get_dummies

* whatsnew

* mypy
@lukemanley lukemanley deleted the perf-get-dummies branch November 22, 2023 01:59
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@mroeschke mroeschke mroeschke approved these changes

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