# Parallel is very slow

**URL:** https://discourse.julialang.org/t/parallel-is-very-slow/9443
**Category:** General Usage
**Tags:** parallel
**Created:** [March 2, 2018, 8:45am UTC](https://discourse.julialang.org/t/parallel-is-very-slow/9443 "2018-03-02T08:45:59Z")
**Posts on this page:** 1
**Showing post:** 17

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### Author: ![Elrod](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/elrod/32/22461_2.png) [@Elrod](https://discourse.julialang.org/u/Elrod)
#### Post date: [March 9, 2018, 2:57am UTC](https://discourse.julialang.org/t/parallel-is-very-slow/9443/17 "2018-03-09T02:57:44Z")

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I split it up because there is no reduction option like for the parallel loop, and I didn’t want to mess with atomics or worry about false sharing.

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