# TTFX with DataFrames and CSV

**URL:** <https://discourse.julialang.org/t/ttfx-with-dataframes-and-csv/75432>\
**Category:** General Usage\
**Tags:** question, dataframes, csv, ttfp\
**Created:** [January 29, 2022, 8:05pm UTC](https://discourse.julialang.org/t/ttfx-with-dataframes-and-csv/75432 "2022-01-29T20:05:54Z")\
**Posts on this page:** 1\
**Showing post:** 14

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**Author:** ![lawless-m](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/lawless-m/32/30869_2.png) [@lawless-m](https://discourse.julialang.org/u/lawless-m)\
**Post date:** [January 30, 2022, 10:47am UTC](https://discourse.julialang.org/t/ttfx-with-dataframes-and-csv/75432/14 "2022-01-30T10:47:24Z")

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There’s a major TTFX discussion going on atm. There’s plenty of tips and discussion going on there

> [@Taking TTFX seriously: Can we make common packages faster to load and use](https://discourse.julialang.org/t/taking-ttfx-seriously-can-we-make-common-packages-faster-to-load-and-use/74949):
>
> So much work has been done to improve julia compilation and remove invalidations. Things really feel a lot snappier to use. But there is still the problem of packages that were written without much thought to startup time, and TTFX - the time-to-first whatever a package does most, is sometimes really slow. Some common problems I see are (reorganised to be in order of importance): Lack of type stability slowing down compilation. Not calling precompile for common methods, or just running them …

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_[View the full topic](https://discourse.julialang.org/t/ttfx-with-dataframes-and-csv/75432)._