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PERF: Groupby.count #43694

Merged
merged 1 commit into from
Sep 22, 2021
Merged

PERF: Groupby.count #43694

merged 1 commit into from
Sep 22, 2021

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jbrockmendel
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from asv_bench.benchmarks.groupby import *
self4 = GroupByMethods()
self4.setup('uint', 'count', 'direct', 5)

%timeit self4.time_dtype_as_field('uint', 'count', 'direct', 5)
231 µs ± 5.23 µs per loop (mean ± std. dev. of 7 runs, 1000 loops each)  # <- master
77.3 µs ± 619 ns per loop (mean ± std. dev. of 7 runs, 10000 loops each)  # <- PR

@jreback jreback added Groupby Performance Memory or execution speed performance labels Sep 22, 2021
@jreback jreback added this to the 1.4 milestone Sep 22, 2021
@jreback jreback merged commit 9a21c3c into pandas-dev:master Sep 22, 2021
@jbrockmendel jbrockmendel deleted the perf-grouped_reduce branch September 22, 2021 01:54
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