# Latest

**URL:** https://discourse.julialang.org/latest.md?page=46

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

**Page:** 47

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## [Is there any way one could define a method to accept both Functions and Functors?](https://discourse.julialang.org/t/is-there-any-way-one-could-define-a-method-to-accept-both-functions-and-functors/136159)

<div class="topic-metadata">

**Author:** [@PetrKryslUCSD](https://discourse.julialang.org/u/PetrKryslUCSD)\
**Replies:** 3\
**Last updated:** [March 12, 2026, 1:09am UTC](https://discourse.julialang.org/t/is-there-any-way-one-could-define-a-method-to-accept-both-functions-and-functors/136159 "2026-03-12T01:09:15Z")

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That is, without a Union. I still would like the function to be typed. So I don’t see g(f, a) = let f(a) end as a solution (f should be typed).

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## [Error with runtest.jl and Aqua](https://discourse.julialang.org/t/error-with-runtest-jl-and-aqua/136103)

<div class="topic-metadata">

**Author:** [@Jake](https://discourse.julialang.org/u/Jake)\
**Replies:** 4\
**Last updated:** [March 12, 2026, 1:00am UTC](https://discourse.julialang.org/t/error-with-runtest-jl-and-aqua/136103 "2026-03-12T01:00:37Z")

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Using VSCode I right click on runtests.jl and select Julia: Execute File in REPL. I obtain the following error and then try a few more commands as follows: ERROR: LoadError: ArgumentError: Package Aqua not found in cur…

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## [My simulations are suddenly 5-10 times faster. Why?](https://discourse.julialang.org/t/my-simulations-are-suddenly-5-10-times-faster-why/136156)

<div class="topic-metadata">

**Author:** [@ufechner7](https://discourse.julialang.org/u/ufechner7)\
**Replies:** 3\
**Last updated:** [March 11, 2026, 7:36pm UTC](https://discourse.julialang.org/t/my-simulations-are-suddenly-5-10-times-faster-why/136156 "2026-03-11T19:36:40Z")

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I am running a simulation with about 70 states that uses the DFBDF implicit solver. See: KiteModels.jl/examples/bench\_4p.jl at main · OpenSourceAWE/KiteModels.jl · GitHub Recently, I noticed a 5-10x increase in performa…

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## [Parallelization in Julia vs C++](https://discourse.julialang.org/t/parallelization-in-julia-vs-c/136083)

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**Author:** [@Rkiefe](https://discourse.julialang.org/u/Rkiefe)\
**Replies:** 21\
**Last updated:** [March 11, 2026, 1:04pm UTC](https://discourse.julialang.org/t/parallelization-in-julia-vs-c/136083 "2026-03-11T13:04:01Z")

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Do you tend to have problems parallelizing thousands of fast computations over a large matrix? I’m going to show a Julia and then a C++ version of the code snippet. I get a lot more performance benefits from parallelizat…

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## [Error in defining the function](https://discourse.julialang.org/t/error-in-defining-the-function/58540)

<div class="topic-metadata">

**Author:** [@Manisha\_07](https://discourse.julialang.org/u/Manisha_07)\
**Replies:** 2\
**Last updated:** [March 11, 2026, 12:57pm UTC](https://discourse.julialang.org/t/error-in-defining-the-function/58540 "2026-03-11T12:57:29Z")

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Hello When I am trying to define the function and execute, I am getting the following error. Please help me in solving this " cannot define function f; it already has a value Stacktrace: \[1\] top-level scope @ none:…

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## [Evaluating arbitrary symbolic expression on ODE solution](https://discourse.julialang.org/t/evaluating-arbitrary-symbolic-expression-on-ode-solution/136130)

<div class="topic-metadata">

**Author:** [@cstjean](https://discourse.julialang.org/u/cstjean)\
**Replies:** 2\
**Last updated:** [March 11, 2026, 9:23am UTC](https://discourse.julialang.org/t/evaluating-arbitrary-symbolic-expression-on-ode-solution/136130 "2026-03-11T09:23:56Z")

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If I have an ODESolution, I can evaluate some variable at some t=5 with sol(5, idxs=sys.some\_variable), but what if I have EvalAt(15)(sys.some\_variable) - EvalAt(10)(sys.other\_variable). This is a reasonable expression t…

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## [Polynomial optimization on a domain](https://discourse.julialang.org/t/polynomial-optimization-on-a-domain/135755)

<div class="topic-metadata">

**Author:** [@geo](https://discourse.julialang.org/u/geo)\
**Replies:** 4\
**Last updated:** [March 11, 2026, 8:31am UTC](https://discourse.julialang.org/t/polynomial-optimization-on-a-domain/135755 "2026-03-11T08:31:47Z")

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As I understand polynomial optimization on a domain is based on the use of Putinar’s Positivestellensatz. Does this imply that the domain needs to be compact? Or am I misunderstanding something? The SumOfSquares manuals …

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## [Running multithreaded program disconnects my ssh connection](https://discourse.julialang.org/t/running-multithreaded-program-disconnects-my-ssh-connection/135825)

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**Author:** [@WalterMadelim](https://discourse.julialang.org/u/WalterMadelim)\
**Replies:** 2\
**Last updated:** [March 11, 2026, 7:24am UTC](https://discourse.julialang.org/t/running-multithreaded-program-disconnects-my-ssh-connection/135825 "2026-03-11T07:24:54Z")

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Hi, friends My coding style is to typing on a Windows laptop while the real work is done by a Linux machine (Ubuntu server, the standard OS). To build a network connection, I use the ssh function provided by VSCode (the…

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## [Explicitly disable extensions in Project.toml](https://discourse.julialang.org/t/explicitly-disable-extensions-in-project-toml/136126)

<div class="topic-metadata">

**Author:** [@ufechner7](https://discourse.julialang.org/u/ufechner7)\
**Replies:** 1\
**Last updated:** [March 11, 2026, 4:46am UTC](https://discourse.julialang.org/t/explicitly-disable-extensions-in-project-toml/136126 "2026-03-11T04:46:07Z")

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Could it make sense to explicitly disable package extensions? For my project, for example, precompiling the DataInterpolationsMakieExtension takes a long time even though I do not need it. Installing and pre-compiling …

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## [Julia takes up a lot of space on my disk - what can be cleaned?](https://discourse.julialang.org/t/julia-takes-up-a-lot-of-space-on-my-disk-what-can-be-cleaned/136102)

<div class="topic-metadata">

**Author:** [@amca01](https://discourse.julialang.org/u/amca01)\
**Replies:** 6\
**Last updated:** [March 11, 2026, 4:05am UTC](https://discourse.julialang.org/t/julia-takes-up-a-lot-of-space-on-my-disk-what-can-be-cleaned/136102 "2026-03-11T04:05:11Z")

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Specifically, in the ~/.julia directory of my home directory, I have these vast collections (as given by ncdu): 4.9 GiB \[################\] /artifacts …

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## [Multithreading on Apple M5 chips](https://discourse.julialang.org/t/multithreading-on-apple-m5-chips/136109)

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**Author:** [@chrisnekarda](https://discourse.julialang.org/u/chrisnekarda)\
**Replies:** 4\
**Last updated:** [March 11, 2026, 12:37am UTC](https://discourse.julialang.org/t/multithreading-on-apple-m5-chips/136109 "2026-03-11T00:37:28Z")

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I’m considering upgrading to the new Apple M5-series hardware and have a question regarding how Julia will handle the new core tiers. Previous generations of Apple Silicon had two types of cores, “performance” (P-cores)…

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## [Julia v1.10.11 has been released](https://discourse.julialang.org/t/julia-v1-10-11-has-been-released/136121)

<div class="topic-metadata">

**Author:** [@ararslan](https://discourse.julialang.org/u/ararslan)\
**Replies:** 0\
**Last updated:** [March 10, 2026, 5:18pm UTC](https://discourse.julialang.org/t/julia-v1-10-11-has-been-released/136121 "2026-03-10T17:18:20Z")

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Julia version 1.10.11, the eleventh patch release in the 1.10 long-term support (LTS) series of releases, is now available. Binaries are available via JuliaUp (recommended) and via manual download for macOS (Intel and M-…

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## [\[ANN\] RunBinary.jl: easily run binaries from YggDrasil](https://discourse.julialang.org/t/ann-runbinary-jl-easily-run-binaries-from-yggdrasil/63179)

<div class="topic-metadata">

**Author:** [@aplavin](https://discourse.julialang.org/u/aplavin)\
**Replies:** 10\
**Last updated:** [March 10, 2026, 4:52pm UTC](https://discourse.julialang.org/t/ann-runbinary-jl-easily-run-binaries-from-yggdrasil/63179 "2026-03-10T16:52:31Z")

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Thanks to BinaryBuilder, some programs are now much easier to install as Julia \*\_jll packages compared to other solutions. However, simple no-setup ways to run these programs were not available yet to my knowledge. This…

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## [Codex for Open Source](https://discourse.julialang.org/t/codex-for-open-source/136077)

<div class="topic-metadata">

**Author:** [@Diego\_Javier\_Zea](https://discourse.julialang.org/u/Diego_Javier_Zea)\
**Replies:** 1\
**Last updated:** [March 10, 2026, 4:17pm UTC](https://discourse.julialang.org/t/codex-for-open-source/136077 "2026-03-10T16:17:49Z")

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Hi, It could be of interest to you, if you are maintaining (or being a core contributor) of a popular Julia package: Among the benefits, there are six months of ChatGPT Pro with Codex. I am using a lot Codex to code …

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## [How to add padding to WGLMakie figure with resize\_to = :body](https://discourse.julialang.org/t/how-to-add-padding-to-wglmakie-figure-with-resize-to-body/135061)

<div class="topic-metadata">

**Author:** [@bjarthur](https://discourse.julialang.org/u/bjarthur)\
**Replies:** 4\
**Last updated:** [March 10, 2026, 4:06pm UTC](https://discourse.julialang.org/t/how-to-add-padding-to-wglmakie-figure-with-resize-to-body/135061 "2026-03-10T16:06:02Z")

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when i use resize\_to = :body when activating WGLMakie so that the figure fills the browser window no matter what the size, a DOM.div element i have at the bottom gets clipped. like this (“hi”) in the lower left: is …

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## [MLJ/MljFlux standardisation of variables in each cross-validation fold](https://discourse.julialang.org/t/mlj-mljflux-standardisation-of-variables-in-each-cross-validation-fold/136093)

<div class="topic-metadata">

**Author:** [@Pablo\_G-D](https://discourse.julialang.org/u/Pablo_G-D)\
**Replies:** 4\
**Last updated:** [March 10, 2026, 3:54pm UTC](https://discourse.julialang.org/t/mlj-mljflux-standardisation-of-variables-in-each-cross-validation-fold/136093 "2026-03-10T15:54:57Z")

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Hi all, I am learning Julia, and so far I have implemented a few Bayesian models using Turing and other packages. I found it quite fast and reliable. I am now building a neural network model for a land-use/land-cover t…

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## [Why do \`@allocated\` and \`Profile.Allocs.@profile\` give different results?](https://discourse.julialang.org/t/why-do-allocated-and-profile-allocs-profile-give-different-results/134956)

<div class="topic-metadata">

**Author:** [@matthias314](https://discourse.julialang.org/u/matthias314)\
**Replies:** 1\
**Last updated:** [March 10, 2026, 2:52pm UTC](https://discourse.julialang.org/t/why-do-allocated-and-profile-allocs-profile-give-different-results/134956 "2026-03-10T14:52:52Z")

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The number of allocations reported by Profile.Allocs.@profile agrees with @allocations, but the total number of bytes allocated differs from @allocated for some reason: using Profile.Allocs f(n) = sum(2\*collect(1:n)) …

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## [This month in Julia world - 2026-02](https://discourse.julialang.org/t/this-month-in-julia-world-2026-02/136110)

<div class="topic-metadata">

**Author:** [@Krastanov](https://discourse.julialang.org/u/Krastanov)\
**Replies:** 3\
**Last updated:** [March 10, 2026, 9:57am UTC](https://discourse.julialang.org/t/this-month-in-julia-world-2026-02/136110 "2026-03-10T09:57:40Z")

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A monthly newsletter, mostly on julia internals, digestible for casual observers. A biased, incomplete, editorialized list of what a clique of us found interesting this month, with contributions from the community. If y…

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## [ProfileView crashes when showing a garbage collector tab](https://discourse.julialang.org/t/profileview-crashes-when-showing-a-garbage-collector-tab/136112)

<div class="topic-metadata">

**Author:** [@phma](https://discourse.julialang.org/u/phma)\
**Replies:** 0\
**Last updated:** [March 10, 2026, 4:13am UTC](https://discourse.julialang.org/t/profileview-crashes-when-showing-a-garbage-collector-tab/136112 "2026-03-10T04:13:07Z")

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I’m profiling a process that I calculated should take a little over two minutes (just counting the sleeps) to find out why it actually takes ten minutes. I run @profview on it; some minutes later a window appears. The wi…

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## [Why is Flux/NNlib falling back to im2col instead of MIOpen on AMD GPU?](https://discourse.julialang.org/t/why-is-flux-nnlib-falling-back-to-im2col-instead-of-miopen-on-amd-gpu/135867)

<div class="topic-metadata">

**Author:** [@ajrohr2](https://discourse.julialang.org/u/ajrohr2)\
**Replies:** 3\
**Last updated:** [March 10, 2026, 1:30am UTC](https://discourse.julialang.org/t/why-is-flux-nnlib-falling-back-to-im2col-instead-of-miopen-on-amd-gpu/135867 "2026-03-10T01:30:35Z")

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Hello! I’ve been trying to get Flux’s convolutional layers, specifically the Flux.NNlib.conv! function, to use the MIOpen version rather than im2col or direct. I’ve verified that I have MIOpen available with AMDGPU.funct…

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## [How do I make a driver?](https://discourse.julialang.org/t/how-do-i-make-a-driver/136095)

<div class="topic-metadata">

**Author:** [@phma](https://discourse.julialang.org/u/phma)\
**Replies:** 16\
**Last updated:** [March 9, 2026, 10:59pm UTC](https://discourse.julialang.org/t/how-do-i-make-a-driver/136095 "2026-03-09T22:59:33Z")

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I have a main program. It will load any one of various drivers (plugins?), depending on a configuration file. Each driver will operate a hardware device or accept files from the outside. The drivers have to be all listed…

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## [NeatEvolution.jl: Neuroevolution of Augmenting Topologies](https://discourse.julialang.org/t/neatevolution-jl-neuroevolution-of-augmenting-topologies/136107)

<div class="topic-metadata">

**Author:** [@CodeReclaimers](https://discourse.julialang.org/u/CodeReclaimers)\
**Replies:** 0\
**Last updated:** [March 9, 2026, 8:19pm UTC](https://discourse.julialang.org/t/neatevolution-jl-neuroevolution-of-augmenting-topologies/136107 "2026-03-09T20:19:03Z")

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Hi folks, I’m the maintainer of the neat-python package, and I finally got around to porting it to Julia. I tried to make sure it adheres to the original NEAT paper and has about the same set of capabilities as neat-py…

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## [Add newline to LaTeXString equation](https://discourse.julialang.org/t/add-newline-to-latexstring-equation/95104)

<div class="topic-metadata">

**Author:** [@Nathan\_Boyer](https://discourse.julialang.org/u/Nathan_Boyer)\
**Replies:** 10\
**Last updated:** [March 9, 2026, 2:07pm UTC](https://discourse.julialang.org/t/add-newline-to-latexstring-equation/95104 "2026-03-09T14:07:35Z")

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Hello, I have a LaTeXString which is too long to fit in one page-width. How can I add a line break to the equation so that it fits? I tried to add a \\\\ in the middle, but that didn’t change the rendering at all. julia\> …

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## [This Julia process exited with code 9. Press any key to close the terminal](https://discourse.julialang.org/t/this-julia-process-exited-with-code-9-press-any-key-to-close-the-terminal/136098)

<div class="topic-metadata">

**Author:** [@mekapses](https://discourse.julialang.org/u/mekapses)\
**Replies:** 3\
**Last updated:** [March 9, 2026, 11:21am UTC](https://discourse.julialang.org/t/this-julia-process-exited-with-code-9-press-any-key-to-close-the-terminal/136098 "2026-03-09T11:21:24Z")

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I’m running code that has two potential problem areas: a large dataframe with images, and an analysis which may create arrays that aren’t gc’d. When I run the code, either in VS Code or the REPL i get the unhelpful messa…

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## [Julia's SciML and UDE in temporal networks: preprint out](https://discourse.julialang.org/t/julias-sciml-and-ude-in-temporal-networks-preprint-out/136099)

<div class="topic-metadata">

**Author:** [@gvdr](https://discourse.julialang.org/u/gvdr)\
**Replies:** 1\
**Last updated:** [March 9, 2026, 10:37am UTC](https://discourse.julialang.org/t/julias-sciml-and-ude-in-temporal-networks-preprint-out/136099 "2026-03-09T10:37:07Z")

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Hi everyone, I got a new pre-print out on arXiv, that uses the Julia’s SciML ecosystem quite a bit. The base idea is: if we consider a complex network that changes in time as a dynamical system (and take a nice model …

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## [Julia Engineer — Simulation Engines & Scientific Computing at Coharts (Remote, Full-Time)](https://discourse.julialang.org/t/julia-engineer-simulation-engines-scientific-computing-at-coharts-remote-full-time/136101)

<div class="topic-metadata">

**Author:** [@Nate\_Ramanathan](https://discourse.julialang.org/u/Nate_Ramanathan)\
**Replies:** 0\
**Last updated:** [March 9, 2026, 7:30am UTC](https://discourse.julialang.org/t/julia-engineer-simulation-engines-scientific-computing-at-coharts-remote-full-time/136101 "2026-03-09T07:30:05Z")

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Coharts is looking for a Julia Software Engineer (1–3 YOE) to join our founding engineering team and build high-performance simulation systems that model complex, multi-variable dynamical processes. This isn’t a “we use…

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## [Pluto in Vscode](https://discourse.julialang.org/t/pluto-in-vscode/44486)

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**Author:** [@Oto\_Brzobohaty](https://discourse.julialang.org/u/Oto_Brzobohaty)\
**Replies:** 21\
**Last updated:** [March 9, 2026, 7:01am UTC](https://discourse.julialang.org/t/pluto-in-vscode/44486 "2026-03-09T07:01:45Z")

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First of all, I would like to thank to all VS Code julia extension developers. I know about the effort to bring julia jupyter notebook into VScode and I think it will be awesome (once finished). Recently, I came across…

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## [Improving the fastest pure-Julia cryptographic hash!](https://discourse.julialang.org/t/improving-the-fastest-pure-julia-cryptographic-hash/104386)

<div class="topic-metadata">

**Author:** [@tecosaur](https://discourse.julialang.org/u/tecosaur)\
**Replies:** 4\
**Last updated:** [March 8, 2026, 11:08pm UTC](https://discourse.julialang.org/t/improving-the-fastest-pure-julia-cryptographic-hash/104386 "2026-03-08T23:08:59Z")

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Hi All! For another project of mine, I wanted a good fast hash that wasn’t trivial to mock. After an excessive amount of investigation, I’ve settled on KangarooTwelve. To quote the project readme, I think it strikes a r…

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## [FlexUnits.jl 0.3.0, Support for Unitful-like inference](https://discourse.julialang.org/t/flexunits-jl-0-3-0-support-for-unitful-like-inference/134903)

<div class="topic-metadata">

**Author:** [@Deduction42](https://discourse.julialang.org/u/Deduction42)\
**Replies:** 40\
**Last updated:** [March 8, 2026, 10:59pm UTC](https://discourse.julialang.org/t/flexunits-jl-0-3-0-support-for-unitful-like-inference/134903 "2026-03-08T22:59:30Z")

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FlexUnits.jl \*\*\*UPDATE\*\*\* A new version FlexUnits v0.4.0 has been released, which also supports high-efficiency linear algebra operations and improves compatibility with many Julia packages, including Differentia…

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## [Testing for warnings emitted at macro expansion time](https://discourse.julialang.org/t/testing-for-warnings-emitted-at-macro-expansion-time/136091)

<div class="topic-metadata">

**Author:** [@impact-basin](https://discourse.julialang.org/u/impact-basin)\
**Replies:** 2\
**Last updated:** [March 8, 2026, 9:07pm UTC](https://discourse.julialang.org/t/testing-for-warnings-emitted-at-macro-expansion-time/136091 "2026-03-08T21:07:56Z")

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Hi all, I’m working on some macros for PikaParser.jl grammars (very WIP!), and I had a question regarding their testing. One thing I’m trying to do is build the grammar at macro-time; this allows us to return a lambda …

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