# Help understanding vectorization (or lack thereof)

**URL:** https://discourse.julialang.org/t/help-understanding-vectorization-or-lack-thereof/11518
**Category:** Performance
**Created:** [June 7, 2018, 7:36pm UTC](https://discourse.julialang.org/t/help-understanding-vectorization-or-lack-thereof/11518 "2018-06-07T19:36:54Z")
**Posts on this page:** 1
**Showing post:** 2

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### Author: ![dpsanders](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/dpsanders/32/3573_2.png) [@dpsanders](https://discourse.julialang.org/u/dpsanders)
#### Post date: [June 7, 2018, 8:00pm UTC](https://discourse.julialang.org/t/help-understanding-vectorization-or-lack-thereof/11518/2 "2018-06-07T20:00:24Z")

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You seem to be benchmarking in global scope. Use BenchmarkTooks.jl for these kinds of microbenchmarks.

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