# Latest

**URL:** https://discourse.julialang.org/latest.md?page=84

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

**Page:** 85

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## [\[San Francisco, CA\] Performance Engineer - GPU Atmospheric Modeling](https://discourse.julialang.org/t/san-francisco-ca-performance-engineer-gpu-atmospheric-modeling/133858)

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**Author:** [@giordano](https://discourse.julialang.org/u/giordano)\
**Replies:** 2\
**Last updated:** [November 14, 2025, 3:48am UTC](https://discourse.julialang.org/t/san-francisco-ca-performance-engineer-gpu-atmospheric-modeling/133858 "2025-11-14T03:48:00Z")

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Aeolus Labs are looking for a performance engineer building a next-generation, differentiable atmospheric model for hurricane science and weather forecasting. Model will be based on Oceananigans.jl, experience with the …

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## [Setting both color maps and opacity when plotting rasters and heatmaps with Makie](https://discourse.julialang.org/t/setting-both-color-maps-and-opacity-when-plotting-rasters-and-heatmaps-with-makie/133600)

<div class="topic-metadata">

**Author:** [@eugenetkj98](https://discourse.julialang.org/u/eugenetkj98)\
**Replies:** 8\
**Last updated:** [November 13, 2025, 11:05pm UTC](https://discourse.julialang.org/t/setting-both-color-maps-and-opacity-when-plotting-rasters-and-heatmaps-with-makie/133600 "2025-11-13T23:05:30Z")

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Hi all, I’m looking to make a plot of some rasters (or if all else fails heatmaps) of values using Makie where the base color is independent of the opacity. Trying to blend two bits of information here where there are tw…

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## [How to initialize/fix the RNG seed on the GPU?](https://discourse.julialang.org/t/how-to-initialize-fix-the-rng-seed-on-the-gpu/133831)

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**Author:** [@jwtkeeble](https://discourse.julialang.org/u/jwtkeeble)\
**Replies:** 4\
**Last updated:** [November 13, 2025, 7:27pm UTC](https://discourse.julialang.org/t/how-to-initialize-fix-the-rng-seed-on-the-gpu/133831 "2025-11-13T19:27:07Z")

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Hi All, I have a question regarding initializing the random seed within CUDA.jl. I saw in this thread for the CURAND library, however, it seems the CURAND library is now deprecated for CUDA.jl. I do see there’s CUDA.de…

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## [Running Colab in local vscode](https://discourse.julialang.org/t/running-colab-in-local-vscode/43702)

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**Author:** [@FujiwaraTakumiEH](https://discourse.julialang.org/u/FujiwaraTakumiEH)\
**Replies:** 1\
**Last updated:** [November 13, 2025, 5:56pm UTC](https://discourse.julialang.org/t/running-colab-in-local-vscode/43702 "2025-11-13T17:56:23Z")

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At the moment we have been able to configure it manually in Colab to support running Julia and we can also use the GPU provided by Colab. However in my work environment I prefer to use VS-Code. I would like to ask if it…

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## [Anyone interested in coding a Julia ECS?](https://discourse.julialang.org/t/anyone-interested-in-coding-a-julia-ecs/116587)

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**Author:** [@Tarny\_GG\_Channie](https://discourse.julialang.org/u/Tarny_GG_Channie)\
**Replies:** 55\
**Last updated:** [November 13, 2025, 2:42pm UTC](https://discourse.julialang.org/t/anyone-interested-in-coding-a-julia-ecs/116587 "2025-11-13T14:42:15Z")

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If you know me, you know that I often make lots of attempts at trying something, and fail at many of them, many times before I even got to coding because I realized it would be too big or I wouldn’t win or whatever. Her…

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## [Helix + LanguageServer.jl + JuliaFormatter.jl](https://discourse.julialang.org/t/helix-languageserver-jl-juliaformatter-jl/133755)

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**Author:** [@kousu](https://discourse.julialang.org/u/kousu)\
**Replies:** 12\
**Last updated:** [November 13, 2025, 2:10pm UTC](https://discourse.julialang.org/t/helix-languageserver-jl-juliaformatter-jl/133755 "2025-11-13T14:10:38Z")

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I’m trying to move from vscode to helix to save my RAM for Julia. I’m on helix 25.07.01, julia 1.12.1. I haven’t configured anything except $ cat ~/.config/helix/config.toml theme = "autumn\_night" $ cat ~/.config/hel…

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## [GMT.jl: How to specify several river styles e.g. in coast?](https://discourse.julialang.org/t/gmt-jl-how-to-specify-several-river-styles-e-g-in-coast/133834)

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**Author:** [@trg818](https://discourse.julialang.org/u/trg818)\
**Replies:** 3\
**Last updated:** [November 13, 2025, 1:20pm UTC](https://discourse.julialang.org/t/gmt-jl-how-to-specify-several-river-styles-e-g-in-coast/133834 "2025-11-13T13:20:10Z")

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Hi, basically, my question is how to translate the regular GMT coast options -I0/thicker,lightblue -I1/thick,lightblue -I2/thin,lightblue to the keyword argument style. I tried rivers=(type=(0,1,2),style=("thicker","…

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## [Stochastic Gradient Descent (SGD) in julia?](https://discourse.julialang.org/t/stochastic-gradient-descent-sgd-in-julia/133846)

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**Author:** [@Sigmund](https://discourse.julialang.org/u/Sigmund)\
**Replies:** 3\
**Last updated:** [November 13, 2025, 12:18pm UTC](https://discourse.julialang.org/t/stochastic-gradient-descent-sgd-in-julia/133846 "2025-11-13T12:18:38Z")

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Im trying to run the newest version of OptimizationManopt.jl together with NeuralPDE.jl. When trying to add NeuralPDE.jl to the environment i get a long stacktrace with unsatisfiable requirements. When adding both to an …

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## [Understanding "random" serialization when using @spawn in a "parallel region"](https://discourse.julialang.org/t/understanding-random-serialization-when-using-spawn-in-a-parallel-region/133824)

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**Author:** [@mmesiti](https://discourse.julialang.org/u/mmesiti)\
**Replies:** 11\
**Last updated:** [November 13, 2025, 11:59am UTC](https://discourse.julialang.org/t/understanding-random-serialization-when-using-spawn-in-a-parallel-region/133824 "2025-11-13T11:59:50Z")

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I have some Julia (1.10.10) code that I am benchmarking on a HPC cluster node with 76 physical cores, running with 76 threads, and I am seeing HUGE variability between runs with everything equal (same hardware, same code…

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## [Julia v1.12.2 testing period](https://discourse.julialang.org/t/julia-v1-12-2-testing-period/133847)

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**Author:** [@kristoffer.carlsson](https://discourse.julialang.org/u/kristoffer.carlsson)\
**Replies:** 0\
**Last updated:** [November 13, 2025, 11:02am UTC](https://discourse.julialang.org/t/julia-v1-12-2-testing-period/133847 "2025-11-13T11:02:25Z")

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The release-1.12 branch on the Julia repository now contains the set of commits we’re planning to tag as v1.12.2. The list of commits included since v1.12.2 is available here. As a patch release, it should be non-breakin…

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## [Julia vscode with remote-ssh ENAMETOOLONG](https://discourse.julialang.org/t/julia-vscode-with-remote-ssh-enametoolong/115937)

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**Author:** [@grunst](https://discourse.julialang.org/u/grunst)\
**Replies:** 4\
**Last updated:** [November 13, 2025, 10:16am UTC](https://discourse.julialang.org/t/julia-vscode-with-remote-ssh-enametoolong/115937 "2025-11-13T10:16:03Z")

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Trying to use julia vscode extension with remote-ssh I get ERROR: LoadError: IOError: connect: name too long (ENAMETOOLONG) Stacktrace: \[1\] wait\_connected(x::Base.PipeEndpoint) @ Sockets /usr/local/apps/julia/1.10.0…

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## [\[ANN\] Raycore.jl: High-Performance Ray Tracing for CPU and GPU](https://discourse.julialang.org/t/ann-raycore-jl-high-performance-ray-tracing-for-cpu-and-gpu/133776)

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**Author:** [@sdanisch](https://discourse.julialang.org/u/sdanisch)\
**Replies:** 11\
**Last updated:** [November 13, 2025, 9:39am UTC](https://discourse.julialang.org/t/ann-raycore-jl-high-performance-ray-tracing-for-cpu-and-gpu/133776 "2025-11-13T09:39:56Z")

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I’m excited to announce Raycore.jl, a high-performance ray-triangle intersection engine with BVH acceleration for both CPU and GPU execution in Julia. Raycore will power a new raytracing backend for Makie, bringing phot…

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## [Using MTK when I \*import\* ModelingToolkit?](https://discourse.julialang.org/t/using-mtk-when-i-import-modelingtoolkit/133681)

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**Author:** [@BLI](https://discourse.julialang.org/u/BLI)\
**Replies:** 42\
**Last updated:** [November 13, 2025, 9:18am UTC](https://discourse.julialang.org/t/using-mtk-when-i-import-modelingtoolkit/133681 "2025-11-13T09:18:20Z")

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I have some ModelingToolkit model that works when importing via using. Because of a name conflict, I need to import MTK as import ModelingToolkit as mtk instead. The following code works with using.... What modifications…

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## [Adaptation of Julia for production and execution in trading](https://discourse.julialang.org/t/adaptation-of-julia-for-production-and-execution-in-trading/66628)

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**Author:** [@AMJ](https://discourse.julialang.org/u/AMJ)\
**Replies:** 8\
**Last updated:** [November 13, 2025, 7:45am UTC](https://discourse.julialang.org/t/adaptation-of-julia-for-production-and-execution-in-trading/66628 "2025-11-13T07:45:51Z")

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Came across this topic in algotrading subreddit, I was surprised not to see even one mention of Julia. It would be understanding if it’s a big fund as they usually have their own infrastructure in C++ wrapped in python b…

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## [Report: in.pkg.julialang.org not responsive from ph](https://discourse.julialang.org/t/report-in-pkg-julialang-org-not-responsive-from-ph/133809)

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**Author:** [@JYB](https://discourse.julialang.org/u/JYB)\
**Replies:** 10\
**Last updated:** [November 13, 2025, 5:40am UTC](https://discourse.julialang.org/t/report-in-pkg-julialang-org-not-responsive-from-ph/133809 "2025-11-13T05:40:03Z")

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Please help resolve the following. It could be similar to a need to restart the server. I get the following error when I update my packages. (@v1.12) pkg\> update ┌ Warning: could not download https://pkg.julialang.org/…

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## [Where is Julia heading? Lack of clarity about priorities, long-term direction and governance](https://discourse.julialang.org/t/where-is-julia-heading-lack-of-clarity-about-priorities-long-term-direction-and-governance/133734)

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**Author:** [@bvdmitri](https://discourse.julialang.org/u/bvdmitri)\
**Replies:** 172\
**Last updated:** [November 13, 2025, 4:18am UTC](https://discourse.julialang.org/t/where-is-julia-heading-lack-of-clarity-about-priorities-long-term-direction-and-governance/133734 "2025-11-13T04:18:26Z")

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I’ve been increasingly wondering: where is Julia actually heading? As someone trying to evaluate Julia for long-term or industrial projects, it’s quite difficult to understand the language’s broader direction — both tec…

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## [Question about precedence of operator ~ (bitwise not)](https://discourse.julialang.org/t/question-about-precedence-of-operator-bitwise-not/133760)

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**Author:** [@CiccioPasticcio](https://discourse.julialang.org/u/CiccioPasticcio)\
**Replies:** 3\
**Last updated:** [November 12, 2025, 8:28pm UTC](https://discourse.julialang.org/t/question-about-precedence-of-operator-bitwise-not/133760 "2025-11-12T20:28:52Z")

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I see that the precedence of operation is specified here and if i understand correctly the operations higer in the file have higer precedence, so ~ being at the top has higest precedence. Also using Base.operator\_precede…

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## [Operator-split chemistry solve in GPU-resident CFD code using DiffEqGPU](https://discourse.julialang.org/t/operator-split-chemistry-solve-in-gpu-resident-cfd-code-using-diffeqgpu/133687)

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**Author:** [@ColinTowery](https://discourse.julialang.org/u/ColinTowery)\
**Replies:** 5\
**Last updated:** [November 12, 2025, 7:57pm UTC](https://discourse.julialang.org/t/operator-split-chemistry-solve-in-gpu-resident-cfd-code-using-diffeqgpu/133687 "2025-11-12T19:57:24Z")

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Hi, I’m looking to see if there is any way I could solve an ensemble of ODEs similar to using the low-level API of EnsembleGPUKernel in DiffEqGPU, but where the ensemble trajectories are pulled from a multi-dimensional …

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## [Position Available: Tensor Network Implementation for Novel ML Architecture (Remote EU/UK)](https://discourse.julialang.org/t/position-available-tensor-network-implementation-for-novel-ml-architecture-remote-eu-uk/133830)

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**Author:** [@Niv](https://discourse.julialang.org/u/Niv)\
**Replies:** 2\
**Last updated:** [November 12, 2025, 7:43pm UTC](https://discourse.julialang.org/t/position-available-tensor-network-implementation-for-novel-ml-architecture-remote-eu-uk/133830 "2025-11-12T19:43:24Z")

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We’re a small, funded startup building something genuinely different in machine learning - starting from physics first principles rather than iterating on transformers. I’m posting here because we specifically need someo…

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## [How to correctly use Lux and Training API with reactant?](https://discourse.julialang.org/t/how-to-correctly-use-lux-and-training-api-with-reactant/133799)

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**Author:** [@rkube](https://discourse.julialang.org/u/rkube)\
**Replies:** 3\
**Last updated:** [November 12, 2025, 6:04pm UTC](https://discourse.julialang.org/t/how-to-correctly-use-lux-and-training-api-with-reactant/133799 "2025-11-12T18:04:09Z")

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Hi, I’m trying to train neural networks with Lux, Reactant, and the Training API and am confused about how to tie it together. When I’m compiling a model with reactant, should I still use the TrainState API? I tried …

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## [Why do I not have the latest packages in pluto?](https://discourse.julialang.org/t/why-do-i-not-have-the-latest-packages-in-pluto/132804)

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**Author:** [@Fourier](https://discourse.julialang.org/u/Fourier)\
**Replies:** 5\
**Last updated:** [November 12, 2025, 5:29pm UTC](https://discourse.julialang.org/t/why-do-i-not-have-the-latest-packages-in-pluto/132804 "2025-11-12T17:29:07Z")

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First I updated my global julia environment, resulting in the upgraded package list towards the left. Then I opened the pluto notebook and it needed to recompile differential equations and Plots, propeably because the o…

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## [Cyclic Dependencies in Julia Packages - How to solve?](https://discourse.julialang.org/t/cyclic-dependencies-in-julia-packages-how-to-solve/133825)

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**Author:** [@Mini4Ever](https://discourse.julialang.org/u/Mini4Ever)\
**Replies:** 7\
**Last updated:** [November 12, 2025, 3:30pm UTC](https://discourse.julialang.org/t/cyclic-dependencies-in-julia-packages-how-to-solve/133825 "2025-11-12T15:30:01Z")

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Using Julia 1.10.10 on Windows 11. Running the following Julia script for a JULIA\_DEPOT\_PATH location that is still empty: import Pkg Pkg.add("DelimitedFiles") Pkg.add("CairoMakie") Pkg.add("LaTeXStrings") Pkg.add("Stat…

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## [Trim Examples](https://discourse.julialang.org/t/trim-examples/133818)

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**Author:** [@andreeco](https://discourse.julialang.org/u/andreeco)\
**Replies:** 1\
**Last updated:** [November 12, 2025, 1:25pm UTC](https://discourse.julialang.org/t/trim-examples/133818 "2025-11-12T13:25:36Z")

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Hi, I would like to see some (more) examples of code using the new trim functionality. I did experiment a little and found it difficult to get type stability correctly. Not all that is allowed in Julia JIT is allowed in …

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## [\`rand(::MyType, N)\` allocates a lot, how to define return type properly?](https://discourse.julialang.org/t/rand-mytype-n-allocates-a-lot-how-to-define-return-type-properly/133807)

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**Author:** [@tamasgal](https://discourse.julialang.org/u/tamasgal)\
**Replies:** 4\
**Last updated:** [November 12, 2025, 1:19pm UTC](https://discourse.julialang.org/t/rand-mytype-n-allocates-a-lot-how-to-define-return-type-properly/133807 "2025-11-12T13:19:48Z")

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Apologies if this has been discussed before but I am a bit lost in the docs and examples out there regarding a type-safe implementation of a proper rand interface. I guess it’s OK to have yet another another topic on thi…

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## [Errors about adding LineSearch.jl](https://discourse.julialang.org/t/errors-about-adding-linesearch-jl/133815)

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**Author:** [@shatanzikou](https://discourse.julialang.org/u/shatanzikou)\
**Replies:** 4\
**Last updated:** [November 12, 2025, 12:53pm UTC](https://discourse.julialang.org/t/errors-about-adding-linesearch-jl/133815 "2025-11-12T12:53:03Z")

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I use julia V1.12.1 to add LineSearch.jl with following code import Pkg Pkg.add("LineSearch") Then I received a error message, which is ERROR: Unsatisfiable requirements detected for package LinearAlgebra \[37e2e46d\]:…

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## [Backup 1 line when using readline()](https://discourse.julialang.org/t/backup-1-line-when-using-readline/133826)

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**Author:** [@Jake](https://discourse.julialang.org/u/Jake)\
**Replies:** 1\
**Last updated:** [November 12, 2025, 12:38pm UTC](https://discourse.julialang.org/t/backup-1-line-when-using-readline/133826 "2025-11-12T12:38:16Z")

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I am going through a mixed binary/ASCII file implementing UFF58b file format in UFFFiles.jl. It will make my life easier if I can read a line using readline(), call a subroutine and then read the same line again. So I …

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## [Latest CUDA.jl version 5.8.3 fails to install on NVIDIA Jetson Orin with Jetpack 6.2.1+b38](https://discourse.julialang.org/t/latest-cuda-jl-version-5-8-3-fails-to-install-on-nvidia-jetson-orin-with-jetpack-6-2-1-b38/132059)

<div class="topic-metadata">

**Author:** [@rovitotv](https://discourse.julialang.org/u/rovitotv)\
**Replies:** 6\
**Last updated:** [November 12, 2025, 10:07am UTC](https://discourse.julialang.org/t/latest-cuda-jl-version-5-8-3-fails-to-install-on-nvidia-jetson-orin-with-jetpack-6-2-1-b38/132059 "2025-11-12T10:07:59Z")

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Greetings, I am trying to install CUDA.jl on a NVIDIA Jetson Orin. The installation fails with many errors captured below. I would NOT like to use CUDA via artifact and use CUDA installed on the system but when I add …

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## [Quantile Random Forest in Julia?](https://discourse.julialang.org/t/quantile-random-forest-in-julia/133383)

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**Author:** [@allixender](https://discourse.julialang.org/u/allixender)\
**Replies:** 1\
**Last updated:** [November 12, 2025, 4:42am UTC](https://discourse.julialang.org/t/quantile-random-forest-in-julia/133383 "2025-11-12T04:42:11Z")

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Hi there, I have played a bit with DecisionTree.jl and MJL.jl. Now I would like to get some uncertainty quantification for my RandomForest regressions. I have seen that Quantile Random Forest is an increasingly accepte…

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## [\`Initial guess is not an interior point\` in optimization methods](https://discourse.julialang.org/t/initial-guess-is-not-an-interior-point-in-optimization-methods/133727)

<div class="topic-metadata">

**Author:** [@cstjean](https://discourse.julialang.org/u/cstjean)\
**Replies:** 10\
**Last updated:** [November 12, 2025, 4:37am UTC](https://discourse.julialang.org/t/initial-guess-is-not-an-interior-point-in-optimization-methods/133727 "2025-11-12T04:37:47Z")

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I’m using Optim.jl via Optimization.jl and hitting Initial guess is not an interior point. I get that I could/should change my initial condition, but I’d like a general solution that works in general whenever a solution …

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## [Wrap my function in an MTK component](https://discourse.julialang.org/t/wrap-my-function-in-an-mtk-component/133767)

<div class="topic-metadata">

**Author:** [@langestefan](https://discourse.julialang.org/u/langestefan)\
**Replies:** 7\
**Last updated:** [November 12, 2025, 2:22am UTC](https://discourse.julialang.org/t/wrap-my-function-in-an-mtk-component/133767 "2025-11-12T02:22:13Z")

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I am trying to wrap an arbitrary function in an MTK component and I am a bit lost in all the possibilities available these days. Right now I have: seconds\_to\_datetime(t, t0::DateTime) = t0 + Millisecond(round(Int, t \* …

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