# (Wallclock) Performance degraded when going from 1.11.6 to 1.12

**URL:** <https://discourse.julialang.org/t/wallclock-performance-degraded-when-going-from-1-11-6-to-1-12/133171>\
**Category:** New to Julia\
**Created:** [October 15, 2025, 1:00pm UTC](https://discourse.julialang.org/t/wallclock-performance-degraded-when-going-from-1-11-6-to-1-12/133171 "2025-10-15T13:00:23Z")\
**Posts on this page:** 1\
**Showing post:** 2

<div class="post-metadata">

**Author:** ![matthias314](https://avatars.discourse-cdn.com/v4/letter/m/a88e4f/32.png) [@matthias314](https://discourse.julialang.org/u/matthias314)\
**Post date:** [October 15, 2025, 1:34pm UTC](https://discourse.julialang.org/t/wallclock-performance-degraded-when-going-from-1-11-6-to-1-12/133171/2 "2025-10-15T13:34:18Z")

</div>

I just want to point out that in [this thread](https://discourse.julialang.org/t/nerd-sniping-can-you-make-this-faster/132793/35) we also noticed a ~10% slowdown with Julia 1.12. In microbenchmarks the difference was even around 40%.

---

_[View the full topic](https://discourse.julialang.org/t/wallclock-performance-degraded-when-going-from-1-11-6-to-1-12/133171)._