# Check if already compiled

**URL:** https://discourse.julialang.org/t/check-if-already-compiled/72259
**Category:** General Usage
**Created:** [November 29, 2021, 11:00pm UTC](https://discourse.julialang.org/t/check-if-already-compiled/72259 "2021-11-29T23:00:24Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![jzr](https://avatars.discourse-cdn.com/v4/letter/j/eb9ed0/32.png) [@jzr](https://discourse.julialang.org/u/jzr)
#### Post date: [November 29, 2021, 11:00pm UTC](https://discourse.julialang.org/t/check-if-already-compiled/72259/1 "2021-11-29T23:00:24Z")

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Is it possible to check if an expression `f(x1, x2)` will need to compile more or if it has already been compiled?