# \#fixedpointnumbers

**URL:** https://discourse.julialang.org/tag/fixedpointnumbers/1937.md

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## [Invalidations caused by FixedPointNumbers](https://discourse.julialang.org/t/invalidations-caused-by-fixedpointnumbers/139232)

<div class="topic-metadata">

**Author:** [@ufechner7](https://discourse.julialang.org/u/ufechner7)\
**Replies:** 1\
**Last updated:** [September 6, 2026, 10:21pm UTC](https://discourse.julialang.org/t/invalidations-caused-by-fixedpointnumbers/139232 "2026-09-06T22:21:48Z")

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The FixedPointNumbers package is causing many invalidations, even though it does not engage in type piracy. For details, see: Loading FixedPointNumbers invalidates ~7,700 precompiled method instances (7x slower first mtk…