# How to speed up the for-loop with dataframe access

**URL:** <https://discourse.julialang.org/t/how-to-speed-up-the-for-loop-with-dataframe-access/79447>\
**Category:** Performance\
**Tags:** dataframes\
**Created:** [April 13, 2022, 6:15pm UTC](https://discourse.julialang.org/t/how-to-speed-up-the-for-loop-with-dataframe-access/79447 "2022-04-13T18:15:13Z")\
**Posts on this page:** 1\
**Showing post:** 25

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**Author:** ![qsong](https://avatars.discourse-cdn.com/v4/letter/q/d07c76/32.png) [@qsong](https://discourse.julialang.org/u/qsong)\
**Post date:** [April 14, 2022, 6:17am UTC](https://discourse.julialang.org/t/how-to-speed-up-the-for-loop-with-dataframe-access/79447/25 "2022-04-14T06:17:03Z")

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To understand @bkamins brief comments above, I found [another one from him](https://discourse.julialang.org/t/allocation-free-type-hiding/66609/15), which provides the details.

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