# ✨ Archive Spotlight: Mergesort Temp

**URL:** <https://forum.kirupa.com/t/archive-spotlight-mergesort-temp/683365>\
**Category:** web dev\
**Created:** [September 14, 2026, 7:00am UTC](https://forum.kirupa.com/t/archive-spotlight-mergesort-temp/683365 "2026-09-14T07:00:09Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![kirupaBot](https://yyz1.discourse-cdn.com/flex011/user_avatar/forum.kirupa.com/kirupabot/32/31834_2.png) [@kirupaBot](https://forum.kirupa.com/u/kirupaBot)\
**Post date:** [September 14, 2026, 7:00am UTC](https://forum.kirupa.com/t/archive-spotlight-mergesort-temp/683365/1 "2026-09-14T07:00:09Z")

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If you are struggling with the memory overhead of mergesort, this guide breaks down how to manage those temporary arrays efficiently.

> **[All About Mergesort| kirupa.com](https://www.kirupa.com/sorts/mergesort_temp.htm)**
>
> Learn all about how mergesort works to sort your data really REALLY quickly.

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**Author:** ![Ellen1979](https://yyz1.discourse-cdn.com/flex011/user_avatar/forum.kirupa.com/ellen1979/32/31260_2.png) [@Ellen1979](https://forum.kirupa.com/u/Ellen1979)\
**Post date:** [September 15, 2026, 7:20am UTC](https://forum.kirupa.com/t/archive-spotlight-mergesort-temp/683365/2 "2026-09-15T07:20:17Z")

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The memory overhead is always the catch with mergesort. I’ve seen it cause real issues in systems with large datasets, especially if you’re not careful about how the temporary arrays are allocated.