# Assignments, Copies and Deepcop

**URL:** <https://discourse.julialang.org/t/assignments-copies-and-deepcop/30723>\
**Category:** Performance\
**Created:** [November 5, 2019, 2:36am UTC](https://discourse.julialang.org/t/assignments-copies-and-deepcop/30723 "2019-11-05T02:36:31Z")\
**Posts on this page:** 1\
**Showing post:** 14

<div class="post-metadata">

**Author:** ![rdeits](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/rdeits/32/286_2.png) [@rdeits](https://discourse.julialang.org/u/rdeits)\
**Post date:** [November 5, 2019, 4:55pm UTC](https://discourse.julialang.org/t/assignments-copies-and-deepcop/30723/14 "2019-11-05T16:55:47Z")

</div>

For example, in [this post](https://discourse.julialang.org/t/improving-performance-of-a-nested-for-loop/29705/10) we were able to make the original user’s code over 3000 times faster by avoiding accidental copies and memory allocation.

---

_[View the full topic](https://discourse.julialang.org/t/assignments-copies-and-deepcop/30723)._