# GC occurs at the worst time in tight loop (Garbage Collection)

**URL:** <https://discourse.julialang.org/t/gc-occurs-at-the-worst-time-in-tight-loop-garbage-collection/104934>\
**Category:** Performance\
**Tags:** question\
**Created:** [October 13, 2023, 4:45pm UTC](https://discourse.julialang.org/t/gc-occurs-at-the-worst-time-in-tight-loop-garbage-collection/104934 "2023-10-13T16:45:17Z")\
**Posts on this page:** 1\
**Showing post:** 56

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**Author:** ![mkitti](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/mkitti/32/12459_2.png) [@mkitti](https://discourse.julialang.org/u/mkitti)\
**Post date:** [October 19, 2023, 6:27pm UTC](https://discourse.julialang.org/t/gc-occurs-at-the-worst-time-in-tight-loop-garbage-collection/104934/56 "2023-10-19T18:27:01Z")

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Did you give Julia a hint?

–heap-size-hint

> **[Julia 1.9 Highlights](https://julialang.org/blog/2023/04/julia-1.9-highlights/#memory_usage_hint_for_the_gc_with_--heap-size-hint)**
>
> Highlights of the Julia 1.9 release.

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_[View the full topic](https://discourse.julialang.org/t/gc-occurs-at-the-worst-time-in-tight-loop-garbage-collection/104934)._