# Poor time performance in modifying parameters of JuMP models when using Gurobi

**URL:** <https://discourse.julialang.org/t/poor-time-performance-in-modifying-parameters-of-jump-models-when-using-gurobi/106982>\
**Category:** Optimization (Mathematical)\
**Tags:** gurobi\
**Created:** [December 1, 2023, 8:56am UTC](https://discourse.julialang.org/t/poor-time-performance-in-modifying-parameters-of-jump-models-when-using-gurobi/106982 "2023-12-01T08:56:33Z")\
**Posts on this page:** 1\
**Showing post:** 10

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**Author:** ![odow](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/odow/32/28685_2.png) [@odow](https://discourse.julialang.org/u/odow)\
**Post date:** [March 11, 2024, 5:55pm UTC](https://discourse.julialang.org/t/poor-time-performance-in-modifying-parameters-of-jump-models-when-using-gurobi/106982/10 "2024-03-11T17:55:55Z")

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Hi @njozefow, welcome to the forum.

Can you start a new post with a reproducible example of the code?

Make sure you take a read of [jump-dev/Gurobi.jl · JuMP](https://jump.dev/JuMP.jl/stable/packages/Gurobi/#Common-Performance-Pitfall-with-JuMP)

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