# fusing not faster

**URL:** <https://discourse.julialang.org/t/fusing-not-faster/8696>\
**Category:** Performance\
**Tags:** broadcast\
**Created:** [January 30, 2018, 3:32pm UTC](https://discourse.julialang.org/t/fusing-not-faster/8696 "2018-01-30T15:32:26Z")\
**Posts on this page:** 1\
**Showing post:** 2

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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:** [January 30, 2018, 3:34pm UTC](https://discourse.julialang.org/t/fusing-not-faster/8696/2 "2018-01-30T15:34:13Z")

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Don’t time in the global scope. Put it in a function. What you’re actually timing is that it takes longer to compile the fused function.

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