# Julia performs poorly on group-by benchmarks

**URL:** <https://discourse.julialang.org/t/julia-performs-poorly-on-group-by-benchmarks/16476>\
**Category:** Data\
**Tags:** performance\
**Created:** [October 18, 2018, 1:29am UTC](https://discourse.julialang.org/t/julia-performs-poorly-on-group-by-benchmarks/16476 "2018-10-18T01:29:08Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![pdeffebach](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/pdeffebach/32/10320_2.png) [@pdeffebach](https://discourse.julialang.org/u/pdeffebach)\
**Post date:** [October 18, 2018, 3:09am UTC](https://discourse.julialang.org/t/julia-performs-poorly-on-group-by-benchmarks/16476/2 "2018-10-18T03:09:08Z")

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Yeah the benchmarks leave a lot to be desired. It’s being discussed on discourse [here](https://discourse.julialang.org/t/dataframes-operation-scales-badly/16223/20). There are a few soon-to-be-merged PRs that should improve things.

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