# Offtopic

**URL:** https://discourse.julialang.org/c/offtopic/29.md?no_subcategories=false&page=1

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

**Page:** 2

---

## [Documentation of cholesky() and allocations](https://discourse.julialang.org/t/documentation-of-cholesky-and-allocations/137927)

<div class="topic-metadata">

**Author:** [@Boris](https://discourse.julialang.org/u/Boris)\
**Replies:** 4\
**Last updated:** [July 4, 2026, 7:05am UTC](https://discourse.julialang.org/t/documentation-of-cholesky-and-allocations/137927 "2026-07-04T07:05:44Z")

</div>

Hi, Today I found out that after using C=cholesky(A), C.L allocates, while C.U does not. After changing a literally one line of my program from C.L to C.U, (which was using suspiciously high ram) I got a very, very sig…

---

## [Opinions on SPy?](https://discourse.julialang.org/t/opinions-on-spy/137591)

<div class="topic-metadata">

**Author:** [@sylvaticus](https://discourse.julialang.org/u/sylvaticus)\
**Replies:** 6\
**Last updated:** [June 24, 2026, 6:22pm UTC](https://discourse.julialang.org/t/opinions-on-spy/137591 "2026-06-24T18:22:10Z")

</div>

Had anyone tried SPy, yet another python-like interpreter/compiler (motivations here) ? What’s your thoughts about it ?

---

## [Any good alternative to GitHub?](https://discourse.julialang.org/t/any-good-alternative-to-github/137242)

<div class="topic-metadata">

**Author:** [@ufechner7](https://discourse.julialang.org/u/ufechner7)\
**Replies:** 19\
**Last updated:** [May 25, 2026, 10:03pm UTC](https://discourse.julialang.org/t/any-good-alternative-to-github/137242 "2026-05-25T22:03:28Z")

</div>

The quality of GitHub’s services has declined significantly in the last few months (or longer?). Are there any good alternatives for hosting Julia packages?

---

## [Julia vs Numba](https://discourse.julialang.org/t/julia-vs-numba/137116)

<div class="topic-metadata">

**Author:** [@lilachint](https://discourse.julialang.org/u/lilachint)\
**Replies:** 11\
**Last updated:** [May 17, 2026, 7:18am UTC](https://discourse.julialang.org/t/julia-vs-numba/137116 "2026-05-17T07:18:51Z")

</div>

I used to use Numpy+Numba for some parallel computations with @nb.njit and nb.prange in Python. How does Julia compare to that? In the Python version, I used TBB/OMP threading layers and some optimization to speed up the…

---

## [How Go Players Disempower Themselves to AI](https://discourse.julialang.org/t/how-go-players-disempower-themselves-to-ai/137021)

<div class="topic-metadata">

**Author:** [@xlxs4](https://discourse.julialang.org/u/xlxs4)\
**Replies:** 0\
**Last updated:** [May 7, 2026, 11:04am UTC](https://discourse.julialang.org/t/how-go-players-disempower-themselves-to-ai/137021 "2026-05-07T11:04:16Z")

</div>

Read a piece on the use of AI in the Go community. Curious to learn what you think of it Human Chess flourished as a pseudo-Esport in the internet era whereas the yearly Computer Chess Championship is followed concur…

---

## [Fast16: a cyberweapon that targeted numerical calculations](https://discourse.julialang.org/t/fast16-a-cyberweapon-that-targeted-numerical-calculations/136911)

<div class="topic-metadata">

**Author:** [@Tamas\_Papp](https://discourse.julialang.org/u/Tamas_Papp)\
**Replies:** 6\
**Last updated:** [May 1, 2026, 5:22am UTC](https://discourse.julialang.org/t/fast16-a-cyberweapon-that-targeted-numerical-calculations/136911 "2026-05-01T05:22:49Z")

</div>

---

## [Claims of breaking 92% of SHA-256 can't be good news for Julia!](https://discourse.julialang.org/t/claims-of-breaking-92-of-sha-256-cant-be-good-news-for-julia/136714)

<div class="topic-metadata">

**Author:** [@PetrKryslUCSD](https://discourse.julialang.org/u/PetrKryslUCSD)\
**Replies:** 6\
**Last updated:** [April 16, 2026, 12:11pm UTC](https://discourse.julialang.org/t/claims-of-breaking-92-of-sha-256-cant-be-good-news-for-julia/136714 "2026-04-16T12:11:50Z")

</div>

Make that 100% - that would break everything, wouldn’t it?

---

## [Anyone into experimental rock music 🎶 over here ? Angine de Poitrine!](https://discourse.julialang.org/t/anyone-into-experimental-rock-music-over-here-angine-de-poitrine/136202)

<div class="topic-metadata">

**Author:** [@franckgaga](https://discourse.julialang.org/u/franckgaga)\
**Replies:** 14\
**Last updated:** [April 16, 2026, 10:08am UTC](https://discourse.julialang.org/t/anyone-into-experimental-rock-music-over-here-angine-de-poitrine/136202 "2026-04-16T10:08:22Z")

</div>

As there are many experimentalists over here, I’m guessing there might be some people that are also into experimental music. :grinning\_face\_with\_smiling\_eyes: You may have heard about Angine de Poitrine? That’s a two-me…

---

## [3D engine for visualizing linear transformations and their decompositions](https://discourse.julialang.org/t/3d-engine-for-visualizing-linear-transformations-and-their-decompositions/136631)

<div class="topic-metadata">

**Author:** [@GraphMath](https://discourse.julialang.org/u/GraphMath)\
**Replies:** 6\
**Last updated:** [April 10, 2026, 12:08pm UTC](https://discourse.julialang.org/t/3d-engine-for-visualizing-linear-transformations-and-their-decompositions/136631 "2026-04-10T12:08:42Z")

</div>

We built a 3D visualization engine to represent linear transformations in ℝ³ as compositions of simpler transformations. In this example, A = QR Image shows deformation followed by rigid motion. Can generate additi…

---

## [Free, native RISC-V CI on GitHub - ubuntu-24.04-riscv](https://discourse.julialang.org/t/free-native-risc-v-ci-on-github-ubuntu-24-04-riscv/136464)

<div class="topic-metadata">

**Author:** [@ImreSamu](https://discourse.julialang.org/u/ImreSamu)\
**Replies:** 1\
**Last updated:** [March 30, 2026, 2:55pm UTC](https://discourse.julialang.org/t/free-native-risc-v-ci-on-github-ubuntu-24-04-riscv/136464 "2026-03-30T14:55:04Z")

</div>

March 24, 2026 - runs-on: ubuntu-24.04-riscv " Today, we are excited to announce the Early Availability of the RISE RISC-V Runners , a free, managed GitHub Actions runner service that gives any open source project ac…

---

## [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")

</div>

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 …

---

## [Scientific Computing Careers in the Age of AI](https://discourse.julialang.org/t/scientific-computing-careers-in-the-age-of-ai/135881)

<div class="topic-metadata">

**Author:** [@Leibniz](https://discourse.julialang.org/u/Leibniz)\
**Replies:** 4\
**Last updated:** [March 3, 2026, 8:02pm UTC](https://discourse.julialang.org/t/scientific-computing-careers-in-the-age-of-ai/135881 "2026-03-03T20:02:24Z")

</div>

(I am not sure whether questions like these are allowed here) Hi everyone. What is our opinion on the future of scientific computing careers? Given that AI has become so good at writing code, finding bugs, and optimizi…

---

## [KuzuDB or general GraphDBs](https://discourse.julialang.org/t/kuzudb-or-general-graphdbs/133139)

<div class="topic-metadata">

**Author:** [@DnBgk](https://discourse.julialang.org/u/DnBgk)\
**Replies:** 6\
**Last updated:** [February 25, 2026, 7:06am UTC](https://discourse.julialang.org/t/kuzudb-or-general-graphdbs/133139 "2026-02-25T07:06:33Z")

</div>

So a few days ago KuzuDB, which is basically the sqlite of graph databases, got archived. Which is unfortunate since I actually thought about building a pipeline with treesitter, cocoindex and kuzu that builds a GraphRA…

---

## [My issues with Julia and how I aim to fix it... and probably fail](https://discourse.julialang.org/t/my-issues-with-julia-and-how-i-aim-to-fix-it-and-probably-fail/135810)

<div class="topic-metadata">

**Author:** [@Tarny\_GG\_Channie](https://discourse.julialang.org/u/Tarny_GG_Channie)\
**Replies:** 20\
**Last updated:** [February 24, 2026, 7:59pm UTC](https://discourse.julialang.org/t/my-issues-with-julia-and-how-i-aim-to-fix-it-and-probably-fail/135810 "2026-02-24T19:59:37Z")

</div>

Let’s start off by saying that I love Julia. However, there have been some real struggles. For example, Julia relies on an awkward type system sometimes. You cannot just declare a sparse hermitian matrix unless… well… yo…

---

## [The Thing I Loved Has Changed (on programming and AI)](https://discourse.julialang.org/t/the-thing-i-loved-has-changed-on-programming-and-ai/135561)

<div class="topic-metadata">

**Author:** [@paulmelis](https://discourse.julialang.org/u/paulmelis)\
**Replies:** 9\
**Last updated:** [February 23, 2026, 5:43pm UTC](https://discourse.julialang.org/t/the-thing-i-loved-has-changed-on-programming-and-ai/135561 "2026-02-23T17:43:29Z")

</div>

Edit: to be clear, I did not write the blog, just posting it here I wrote my first line of code in 1983. I was seven years old, typing BASIC into a machine that had less processing power than the chip in your washing m…

---

## [The mathematical mystery inside the legendary ’90s shooter Quake 3](https://discourse.julialang.org/t/the-mathematical-mystery-inside-the-legendary-90s-shooter-quake-3/135713)

<div class="topic-metadata">

**Author:** [@mthelm85](https://discourse.julialang.org/u/mthelm85)\
**Replies:** 5\
**Last updated:** [February 17, 2026, 10:56pm UTC](https://discourse.julialang.org/t/the-mathematical-mystery-inside-the-legendary-90s-shooter-quake-3/135713 "2026-02-17T22:56:54Z")

</div>

I enjoyed this and I think some folks around here will too: I used Gemini to throw together some Julia code so I could see it in action: function fast\_inv\_sqrt(x::Float32) x2 = x \* 0.5f0 y = x …

---

## [Recommendation for a font with good Unicode support?](https://discourse.julialang.org/t/recommendation-for-a-font-with-good-unicode-support/39885)

<div class="topic-metadata">

**Author:** [@sijo](https://discourse.julialang.org/u/sijo)\
**Replies:** 18\
**Last updated:** [February 11, 2026, 10:26am UTC](https://discourse.julialang.org/t/recommendation-for-a-font-with-good-unicode-support/39885 "2026-02-11T10:26:27Z")

</div>

What are some good fonts for writing Julia code? In particular, does anyone know a font with good support for combining characters on greek letters? The default fonts in Ubuntu perform poorly in this regard… Here’s how…

---

## [Programming in age of AI](https://discourse.julialang.org/t/programming-in-age-of-ai/135410)

<div class="topic-metadata">

**Author:** [@raman\_kumar](https://discourse.julialang.org/u/raman_kumar)\
**Replies:** 15\
**Last updated:** [February 6, 2026, 4:27pm UTC](https://discourse.julialang.org/t/programming-in-age-of-ai/135410 "2026-02-06T16:27:44Z")

</div>

I often hear from people that AI will make coding skills useless and AI will make programmers jobless. I personally like programming but fears about future. :cold\_face: Should we learn programming in the age of AI when…

---

## [Posit Standard (2022): Floats/IEEE vs Posits, and ternary math](https://discourse.julialang.org/t/posit-standard-2022-floats-ieee-vs-posits-and-ternary-math/86687)

<div class="topic-metadata">

**Author:** [@Palli](https://discourse.julialang.org/u/Palli)\
**Replies:** 18\
**Last updated:** [February 5, 2026, 10:15am UTC](https://discourse.julialang.org/t/posit-standard-2022-floats-ieee-vs-posits-and-ternary-math/86687 "2026-02-05T10:15:05Z")

</div>

The spec is only 12 pages, much shorter than for IEEE (while it references it), and the similarities and differences with IEEE floats are intriguing: 6.5 Conversions between posit format and IEEE Std 754™ float format …

---

## [Are LLVM/rust's floating-point issues on 32-bit platforms relevant to Julia?](https://discourse.julialang.org/t/are-llvm-rusts-floating-point-issues-on-32-bit-platforms-relevant-to-julia/133852)

<div class="topic-metadata">

**Author:** [@Palli](https://discourse.julialang.org/u/Palli)\
**Replies:** 2\
**Last updated:** [January 30, 2026, 12:21pm UTC](https://discourse.julialang.org/t/are-llvm-rusts-floating-point-issues-on-32-bit-platforms-relevant-to-julia/133852 "2026-01-30T12:21:39Z")

</div>

I noticed: This is an LLVM bug: rustc is generating LLVM IR with the intended semantics This is about Rust, but might translate to Julia (and more) since both use LLVM?! Both have tier 1 support for 32-bit on Win…

---

## [Julia is one of the most token-efficient programming languages](https://discourse.julialang.org/t/julia-is-one-of-the-most-token-efficient-programming-languages/134996)

<div class="topic-metadata">

**Author:** [@xiaoxi](https://discourse.julialang.org/u/xiaoxi)\
**Replies:** 8\
**Last updated:** [January 22, 2026, 12:34pm UTC](https://discourse.julialang.org/t/julia-is-one-of-the-most-token-efficient-programming-languages/134996 "2026-01-22T12:34:09Z")

</div>

Among the most popular programming languages, Julia is one of the most token-efficient programming languages​.

---

## [Reinforcement learning could help airborne wind energy take off](https://discourse.julialang.org/t/reinforcement-learning-could-help-airborne-wind-energy-take-off/134965)

<div class="topic-metadata">

**Author:** [@johnh](https://discourse.julialang.org/u/johnh)\
**Replies:** 4\
**Last updated:** [January 9, 2026, 6:08pm UTC](https://discourse.julialang.org/t/reinforcement-learning-could-help-airborne-wind-energy-take-off/134965 "2026-01-09T18:08:54Z")

</div>

@ufechner7 Are you aware of this paper on using reinforcement learning for wind kites? Is Julia being used here. There is not an obvious link to the code.

---

## [A script/tool to check actual capacity without errors (aliexpress drive)](https://discourse.julialang.org/t/a-script-tool-to-check-actual-capacity-without-errors-aliexpress-drive/134884)

<div class="topic-metadata">

**Author:** [@sylvaticus](https://discourse.julialang.org/u/sylvaticus)\
**Replies:** 2\
**Last updated:** [January 5, 2026, 10:35am UTC](https://discourse.julialang.org/t/a-script-tool-to-check-actual-capacity-without-errors-aliexpress-drive/134884 "2026-01-05T10:35:07Z")

</div>

I have bought to my kid a “2TB” external drive on AliExpress, but I have now realized that it may just come with hacked firmware, so I am looking for a tool to check the actual capacity of a mounted path without errors. …

---

## [Matt Godbolt's Advent of Compiler Optimisations 2025](https://discourse.julialang.org/t/matt-godbolts-advent-of-compiler-optimisations-2025/133926)

<div class="topic-metadata">

**Author:** [@xiaoxi](https://discourse.julialang.org/u/xiaoxi)\
**Replies:** 3\
**Last updated:** [December 25, 2025, 2:45pm UTC](https://discourse.julialang.org/t/matt-godbolts-advent-of-compiler-optimisations-2025/133926 "2025-12-25T14:45:53Z")

</div>

Matt Godbolt plans to publish a daily article and video, each detailing a fun and interesting optimization that the compiler can perform in C or C++, from December 1st to the 25th.

---

## [Blog post: Rust vs Julia in scientific computing](https://discourse.julialang.org/t/blog-post-rust-vs-julia-in-scientific-computing/101711)

<div class="topic-metadata">

**Author:** [@Mo8it](https://discourse.julialang.org/u/Mo8it)\
**Replies:** 144\
**Last updated:** [December 18, 2025, 11:08pm UTC](https://discourse.julialang.org/t/blog-post-rust-vs-julia-in-scientific-computing/101711 "2025-12-18T23:08:26Z")

</div>

Why I think that Julia doesn’t solve the two-language problem and when you should use Rust instead. The blog post is the base for my tiny talk at Scientific Computing in Rust 2023 which is now public: T…

---

## [The new Green Tea Garbage Collector in Go](https://discourse.julialang.org/t/the-new-green-tea-garbage-collector-in-go/133612)

<div class="topic-metadata">

**Author:** [@paulmelis](https://discourse.julialang.org/u/paulmelis)\
**Replies:** 1\
**Last updated:** [December 10, 2025, 11:02am UTC](https://discourse.julialang.org/t/the-new-green-tea-garbage-collector-in-go/133612 "2025-12-10T11:02:10Z")

</div>

Pretty interesting write-up of the new GC coming to the next version of Go, with the core idea being to operate on pages of objects instead of individual objects (plus lots of optimizations). Also, really cute and use…

---

## [LSU lecture on techniques for improving the performance of matrix multiplication in C++](https://discourse.julialang.org/t/lsu-lecture-on-techniques-for-improving-the-performance-of-matrix-multiplication-in-c/134045)

<div class="topic-metadata">

**Author:** [@xiaoxi](https://discourse.julialang.org/u/xiaoxi)\
**Replies:** 2\
**Last updated:** [November 29, 2025, 7:05pm UTC](https://discourse.julialang.org/t/lsu-lecture-on-techniques-for-improving-the-performance-of-matrix-multiplication-in-c/134045 "2025-11-29T19:05:18Z")

</div>

Louisiana State University is uploading lectures on “Parallel C++ for Scientific Applications” to YouTube. Among other things, there is a lecture on how to improve the performance of matrix multiplication by taking advan…

---

## [Would a Macbook Air with A18 Pro Chip be in Support-Tier 1?](https://discourse.julialang.org/t/would-a-macbook-air-with-a18-pro-chip-be-in-support-tier-1/134089)

<div class="topic-metadata">

**Author:** [@A18orM4](https://discourse.julialang.org/u/A18orM4)\
**Replies:** 3\
**Last updated:** [November 25, 2025, 2:23am UTC](https://discourse.julialang.org/t/would-a-macbook-air-with-a18-pro-chip-be-in-support-tier-1/134089 "2025-11-25T02:23:10Z")

</div>

Hello, Rumors say early next year Apple might release a low cost Macbook Air with the A18 Pro Chip from 2024’s iPhone 16 Pro models (Report: Low-Cost iPhone, iPad, MacBook Coming Early 2026 | MacRumors Forums). Would t…

---

## [Reliability of AI coding tools](https://discourse.julialang.org/t/reliability-of-ai-coding-tools/133975)

<div class="topic-metadata">

**Author:** [@Mikhail\_Kagalenko](https://discourse.julialang.org/u/Mikhail_Kagalenko)\
**Replies:** 30\
**Last updated:** [November 19, 2025, 1:16pm UTC](https://discourse.julialang.org/t/reliability-of-ai-coding-tools/133975 "2025-11-19T13:16:32Z")

</div>

It is unfortunate that this package has been developed by an “AI” tool. The code produced in this fashion is inherently unreliable.

---

## [Using Jules (google) for Julia](https://discourse.julialang.org/t/using-jules-google-for-julia/132166)

<div class="topic-metadata">

**Author:** [@LaurentPlagne](https://discourse.julialang.org/u/LaurentPlagne)\
**Replies:** 5\
**Last updated:** [November 17, 2025, 11:54am UTC](https://discourse.julialang.org/t/using-jules-google-for-julia/132166 "2025-11-17T11:54:27Z")

</div>

Hi, I have done some experiments with google jules https://jules.google/ (asynchronous coding agent) for Julia development. It is quite impressive and already helped me to code an interactive plotting function with Plot…

[Previous page](https://discourse.julialang.org/c/offtopic/29.md?no_subcategories=false)

[Next page](https://discourse.julialang.org/c/offtopic/29.md?no_subcategories=false&page=2)