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REGR: rolling.EWMMethods.time_ewm #42333

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simonjayhawkins opened this issue Jul 1, 2021 · 0 comments · Fixed by #43052
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REGR: rolling.EWMMethods.time_ewm #42333

simonjayhawkins opened this issue Jul 1, 2021 · 0 comments · Fixed by #43052
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Performance Memory or execution speed performance Regression Functionality that used to work in a prior pandas version Window rolling, ewma, expanding
Milestone
1.3.3

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@simonjayhawkins
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This seems to have resulted in a performance regression for the existing ASV benchmark: https://pandas.pydata.org/speed/pandas/#rolling.EWMMethods.time_ewm?python=3.8&Cython=0.29.21&p-constructor='DataFrame'&p-constructor='Series'&p-window=1000&p-dtype='float'&p-method='mean'&commits=ab687aec-f066cda6

Originally posted by @jorisvandenbossche in #40072 (comment)
@simonjayhawkins simonjayhawkins added Performance Memory or execution speed performance Regression Functionality that used to work in a prior pandas version Window rolling, ewma, expanding labels Jul 1, 2021
@simonjayhawkins simonjayhawkins added this to the 1.3.1 milestone Jul 1, 2021
@simonjayhawkins simonjayhawkins mentioned this issue Jul 1, 2021
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@jbrockmendel jbrockmendel mentioned this issue Jul 4, 2021
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@simonjayhawkins simonjayhawkins modified the milestones: 1.3.1, 1.3.2 Jul 24, 2021
@simonjayhawkins simonjayhawkins modified the milestones: 1.3.2, 1.3.3 Aug 15, 2021
@mzeitlin11 mzeitlin11 mentioned this issue Aug 15, 2021
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Performance Memory or execution speed performance Regression Functionality that used to work in a prior pandas version Window rolling, ewma, expanding
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REGR: window ewm slowdown mzeitlin11/pandas
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