# \[ANN\] DynamicExpressions.jl: Fast evaluation of runtime-generated expressions without compilation

**URL:** <https://discourse.julialang.org/t/ann-dynamicexpressions-jl-fast-evaluation-of-runtime-generated-expressions-without-compilation/88983>\
**Category:** Package Announcements\
**Tags:** package, announcement, diffeq, symbolics, symbolic-regression\
**Created:** [October 19, 2022, 8:52pm UTC](https://discourse.julialang.org/t/ann-dynamicexpressions-jl-fast-evaluation-of-runtime-generated-expressions-without-compilation/88983 "2022-10-19T20:52:07Z")\
**Posts on this page:** 1\
**Showing post:** 8

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**Author:** ![Olegg](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/olegg/32/51316_2.png) [@Olegg](https://discourse.julialang.org/u/Olegg)\
**Post date:** [October 1, 2024, 1:57pm UTC](https://discourse.julialang.org/t/ann-dynamicexpressions-jl-fast-evaluation-of-runtime-generated-expressions-without-compilation/88983/8 "2024-10-01T13:57:13Z")

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Thank you for the excellent package! It’s insane how it achieves almost native speeds of standard Julia functions.

I’m wondering how best to apply it to many expressions placed in an array, like a Jacobian matrix. If you might be able to give some guidance on [this question](https://discourse.julialang.org/t/fast-evaluation-of-linear-bilinear-expressions-and-jacobians-from-strings/120721), that would be great. Thanks!

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