# Using multiprocessors for faster compilation

**URL:** <https://discourse.julialang.org/t/using-multiprocessors-for-faster-compilation/61504>\
**Category:** General Usage\
**Tags:** compilation\
**Created:** [May 20, 2021, 10:18am UTC](https://discourse.julialang.org/t/using-multiprocessors-for-faster-compilation/61504 "2021-05-20T10:18:00Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![gitboy16](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/gitboy16/32/24906_2.png) [@gitboy16](https://discourse.julialang.org/u/gitboy16)\
**Post date:** [May 20, 2021, 10:18am UTC](https://discourse.julialang.org/t/using-multiprocessors-for-faster-compilation/61504/1 "2021-05-20T10:18:01Z")

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Hi,

I haven’t find anything about using multiple processors for compiling code faster during the first run. Is it even possible?

Maybe something like `MAKEFLAGS=-j4` in C?  
I have tried to use `JULIA_NUM_THREADS` but I believe it for code only not for compilation?

Thank you