PERF: add vbenchs for groupby functions with different group sizes (original) (raw)

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#8410

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PERF: add vbenchs for groupby functions with different group sizes

#6787

#8410

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GroupbyPerformanceMemory or execution speed performance

Milestone

0.15.0

Description

jreback

opened

on Apr 3, 2014

http://stackoverflow.com/questions/22845856/performance-issues-with-groupbys-last-in-pandas/22846215#22846215

want to run all built-in functions (e.g. first,last,nth,sum,min...etc with
large number of groups, say 10000 to verify perf.

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GroupbyPerformanceMemory or execution speed performance

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