# Jeff Bezanson remarks on LLVM "getting slower and slower"

**URL:** <https://discourse.julialang.org/t/jeff-bezanson-remarks-on-llvm-getting-slower-and-slower/39637>\
**Category:** Internals & Design\
**Created:** [May 17, 2020, 2:37pm UTC](https://discourse.julialang.org/t/jeff-bezanson-remarks-on-llvm-getting-slower-and-slower/39637 "2020-05-17T14:37:52Z")\
**Posts on this page:** 1\
**Showing post:** 7

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**Author:** ![ChrisRackauckas](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/chrisrackauckas/32/77_2.png) [@ChrisRackauckas](https://discourse.julialang.org/u/ChrisRackauckas)\
**Post date:** [May 17, 2020, 10:46pm UTC](https://discourse.julialang.org/t/jeff-bezanson-remarks-on-llvm-getting-slower-and-slower/39637/7 "2020-05-17T22:46:59Z")

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> [@Albert\_Zevelev](#):
>
> I thought there is a trade off between compilation speed & execution speed:

You’d hope so. Sadly, that’s not always reality. Large static arrays is a good example of this, where when they are really big that will spend an enormous time building really terrible compiled instructions.

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