# IPOPT suppress output file generation

**URL:** <https://discourse.julialang.org/t/ipopt-suppress-output-file-generation/127595>\
**Category:** Optimization (Mathematical)\
**Created:** [April 1, 2025, 1:09pm UTC](https://discourse.julialang.org/t/ipopt-suppress-output-file-generation/127595 "2025-04-01T13:09:57Z")\
**Posts on this page:** 3\
**Page:** 2

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**Author:** ![nico](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/nico/32/211667_2.png) [@nico](https://discourse.julialang.org/u/nico)\
**Post date:** [June 24, 2025, 2:32pm UTC](https://discourse.julialang.org/t/ipopt-suppress-output-file-generation/127595/21 "2025-06-24T14:32:16Z")

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> [@odow](#):
>
> `FreeIpoptProblem`

I have suggested these changes in SNOW.jl:

 ![image](https://global.discourse-cdn.com/julialang/original/3X/2/9/29b006f7384555c3510aab05447e25eed52c31af.png)

> **[Comparing byuflowlab:master...pollinico:patch-1 · byuflowlab/SNOW.jl](https://github.com/byuflowlab/SNOW.jl/compare/master...pollinico:SNOW.jl:patch-1)**
>
> Optimization framework for nonlinear, gradient-based constrained, sparse optimization problems. - Comparing byuflowlab:master...pollinico:patch-1 · byuflowlab/SNOW.jl

Do you agree?

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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:** [June 24, 2025, 6:58pm UTC](https://discourse.julialang.org/t/ipopt-suppress-output-file-generation/127595/22 "2025-06-24T18:58:52Z")

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Did you test it? This probably doesn’t work. We probably need to allow the finalizer of Ipopt to be called multiple times. I assume this might segfault.

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<div class="post-metadata">

**Author:** ![nico](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/nico/32/211667_2.png) [@nico](https://discourse.julialang.org/u/nico)\
**Post date:** [June 25, 2025, 7:03am UTC](https://discourse.julialang.org/t/ipopt-suppress-output-file-generation/127595/23 "2025-06-25T07:03:16Z")

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it works very well on my laptop, i think finalize was not called

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