# \#turbo

**URL:** https://discourse.julialang.org/tag/turbo/1250.md

[Latest](https://discourse.julialang.org/latest.md) · [Categories](https://discourse.julialang.org/categories.md) · [Tags](https://discourse.julialang.org/tags.md)

---

## [Random memory access performance - how to hint compiler/runtime to preload/cache/plan](https://discourse.julialang.org/t/random-memory-access-performance-how-to-hint-compiler-runtime-to-preload-cache-plan/93046)

<div class="topic-metadata">

**Author:** [@FireCrumb](https://discourse.julialang.org/u/FireCrumb)\
**Replies:** 0\
**Last updated:** [January 16, 2023, 8:04pm UTC](https://discourse.julialang.org/t/random-memory-access-performance-how-to-hint-compiler-runtime-to-preload-cache-plan/93046 "2023-01-16T20:04:42Z")

</div>

Hi, I have some constant size matrices (so I use StaticArrays package, verified it’s faster than Array/Vector) which I access many times randomly in a loop. After random reads/writes, I need to copy a part of one array…