# MATLAB outperforms Julia (20 times faster) running this nested loop

**URL:** <https://discourse.julialang.org/t/matlab-outperforms-julia-20-times-faster-running-this-nested-loop/92691>\
**Category:** Performance\
**Tags:** question, performance, matlab, time, finitediff\
**Created:** [January 9, 2023, 2:46am UTC](https://discourse.julialang.org/t/matlab-outperforms-julia-20-times-faster-running-this-nested-loop/92691 "2023-01-09T02:46:16Z")\
**Posts on this page:** 1\
**Page:** 2

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**Author:** ![cmichelenstrofer](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/cmichelenstrofer/32/44392_2.png) [@cmichelenstrofer](https://discourse.julialang.org/u/cmichelenstrofer)\
**Post date:** [January 10, 2023, 2:03am UTC](https://discourse.julialang.org/t/matlab-outperforms-julia-20-times-faster-running-this-nested-loop/92691/22 "2023-01-10T02:03:30Z")

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> [@Elrod](#):
>
> The “Vectorization” in LoopVectorization is not about “vectorized form”, but about “vector” (i.e. SIMD) CPU instructions

Thanks for the clarification! And @DNF too for the wiki link!

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