# What is HZBsetupMips, how to reduce it?

**URL:** <https://forums.unrealengine.com/t/what-is-hzbsetupmips-how-to-reduce-it/399722>\
**Category:** Debugging, Optimization, & Profiling\
**Tags:** rendering-system, Optimization, unreal-engine, question\
**Created:** [July 5, 2017, 4:08pm UTC](https://forums.unrealengine.com/t/what-is-hzbsetupmips-how-to-reduce-it/399722 "2017-07-05T16:08:59Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![anonymous\_user\_81a6091a](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@anonymous\_user\_81a6091a](https://forums.unrealengine.com/u/anonymous_user_81a6091a)\
**Post date:** [July 5, 2017, 4:08pm UTC](https://forums.unrealengine.com/t/what-is-hzbsetupmips-how-to-reduce-it/399722/1 "2017-07-05T16:08:59Z")

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hello to all,

Anybody can advise on how to reduce **HZBsetupMips**?

thanks for helping

 ![201889-screenshot+(243).png](https://d3kjluh73b9h9o.cloudfront.net/original/4X/5/3/b/53baff20ff514e9a9b96a680341c018051deabe1.png)

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**Author:** ![Deathrey](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@Deathrey](https://forums.unrealengine.com/u/Deathrey)\
**Post date:** [August 1, 2017, 9:39am UTC](https://forums.unrealengine.com/t/what-is-hzbsetupmips-how-to-reduce-it/399722/2 "2017-08-01T09:39:38Z")

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It is a part, which is responsible for creating reduced resolution versions of Z buffer, but occasionally when profiling in editor, it may mistakenly show something else. Try profiling in a standalone app.