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Posts by Carlos Castillo Passi

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Bringing Julia to Health: A Concise Overview of JuliaHealth Zelko et al., (2026). Bringing Julia to Health: A Concise Overview of JuliaHealth. The Proceedings of the JuliaCon Conferences, 8(81), 194, https://doi.org/10.21105/jcon.00194

Published a JuliaHealth proceedings paper: "Bringing Julia to Health: A Concise Overview of JuliaHealth"! πŸŽ‰

As the ecosystem continues to grow, I am excited to have this as a community reference and overview. 🌐

Would love your thoughts! πŸ€“

Catch us @juliacon.org!

#julialang #academicsky πŸ§ͺ πŸ“ŠπŸ›Ÿ

1 month ago 9 5 0 0
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From the Julia community on Reddit: I ported Karpathy's microgpt to Julia in 99 lines - no dependencies, manual backprop, ~1600Γ— faster than CPython and ~4x faster than Rust. Explore this post and more from the Julia community

Someone ported Karpathy's microGPT to pure #julialang in 99 lines with 0 dependencies, it's 1600x faster than CPython... hard to emphasize enough how impressive this is
www.reddit.com/r/Julia/s/Vg...

1 month ago 9 3 0 0
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Where Julia Outshines Python

This Blogpost covers some of the reasons my lab switched to #julialang

Many are left out, e.g. we simply call any python library/function we don't have in Julia, from Julia! (e.g..mne, scopy etc.). Native GPU made easy. Extending other libraries without editing them etc
slicker.me/julia/julia_...

2 months ago 25 5 0 1
JuliaCon Global 2026
Call for Proposals is Open!
Submission Deadline: February 28, 2026
Johannes Gutenberg University
Mainz, Germany

JuliaCon Global 2026 Call for Proposals is Open! Submission Deadline: February 28, 2026 Johannes Gutenberg University Mainz, Germany

The #JuliaCon Global 2026 call for proposals is open! We have a host of exciting minisymposia and we look forward to your talks!

Find more information on juliacon.org/2026/cfp/ and submit your proposal until February 28th at pretalx.com/juliacon-202...

#julia @julialang.org

2 months ago 20 12 0 0
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If you are working with #JuliaLang in health, medicine, or biomedical research, consider submitting an abstract to the 🩺 Health Mini-Symposium at JuliaCon 2026 (10–15 August 2026, Mainz, Germany). @thecedarprince.bsky.social

3 months ago 8 6 0 0
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I Drew the Julia Logo Using an MRI Machine – Bloch Hole How the physics of MRI can be used to draw with spins and why this is useful.

Blog post explaining how I drew the Julia logo using spins and an MRI scanner! πŸͺ„πŸ§² #JuliaLang #MRI

cncastillo.github.io/BlochHole/po...

5 months ago 9 3 1 1
Scientific Modeling Cheatsheet – MATLAB – Python – Julia Quick Reference

Scientific Modeling Cheatsheet: #MATLAB vs #Python vs #Julialang

Side-by-side comparison for:
β€’ Differential equations
β€’ Optimization
β€’ Automatic differentiation
β€’ Symbolic computing
β€’ More!

Highlights ecosystem differences & best practices.

sciml.github.io/Scientific_M...

6 months ago 36 14 1 2
Julia Health with Jacob Zelko
Julia Health with Jacob Zelko YouTube video by Julia Dispatch

#Julialang Dispatch: we welcome Jacob Zelko, who takes us on a fascinating journey from his early days as a #biomedical engineering student through his work at the CDC during the COVID-19 pandemic, and into his current exploration of applied #categorytheory.

www.youtube.com/watch?v=HyMp...

8 months ago 8 1 0 1

Oh just saw this, thanks for the kind words! πŸ˜„

8 months ago 2 0 0 0

Omg! The official JuliaCon account posted about my talk! 😱 Shout-out to @thecedarprince.bsky.social for organising the JuliaHealth mini-symposium and totally carrying it by giving 4 talks!!!

The slides for the talk are available here: github.com/cncastillo/K...

8 months ago 3 0 0 0
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The never-ending conundrums of classical physics Even today, scientists still try to solve sprinkler brain teasers from the 19th century.

Lee Phillips
@lpfeed
arstechnica.com/science/2014...

Classical #physics is an active research area, is fundamental, and is still full of interesting and even controversial problems. Does your physics professor understand how airplanes fly? Good chance the answer is β€œno”.

9 months ago 3 1 0 0

I think it would be very nice if this supported monorepo's, where there are many packages in the same repo. It is a huge pain to identify which package to update and in which order. I am sure people from SciML would be very happy. Maybe @chrisrackauckas.bsky.social has ideas.

10 months ago 1 0 2 0
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JuliaCall is blowing my mind 🀯, running GPU-accelerated #JuliaLang code from Python was insanely easy!

10 months ago 32 7 1 1

Big fan of the Journal of Open Source Software! It's awesome that the whole review process occurs publicly on GitHub 😊

10 months ago 2 0 0 0
A comparison of automatic differentiation paradigms between Python and Julia:
- In Python, one chooses the autodiff framework first (PyTorch / JAX), then the appropriate scientific library
- In Julia, one writes the scientific library first, then one tries to make it compatible with several autodiff frameworks (Enzyme, Zygote, etc)

A comparison of automatic differentiation paradigms between Python and Julia: - In Python, one chooses the autodiff framework first (PyTorch / JAX), then the appropriate scientific library - In Julia, one writes the scientific library first, then one tries to make it compatible with several autodiff frameworks (Enzyme, Zygote, etc)

How to make #autodiff user-friendly? What lies beyond the safety of Python-world? Why does it matter for scientific machine learning?
All this, and more, in our latest preprint with @adrhill.bsky.social! Spoiler alert: it describes the most useful software I ever wrote.
arxiv.org/abs/2505.05542

11 months ago 51 15 1 1
A visualization of compressed column evaluation in sparse autodiff. Here, columns 1, 2 and 5 of the matrix (in yellow) have no overlap in their sparsity patterns. Thus, they can be evaluated together by multiplication with a sum of basis vectors (in purple).

A visualization of compressed column evaluation in sparse autodiff. Here, columns 1, 2 and 5 of the matrix (in yellow) have no overlap in their sparsity patterns. Thus, they can be evaluated together by multiplication with a sum of basis vectors (in purple).

Wanna learn about autodiff and sparsity? Check out our #ICLR2025 blog post with @adrhill.bsky.social and Alexis Montoison. It has everything you need: matrices with lots of zeros, weird compiler tricks, graph coloring techniques, and a bunch of pretty pics!
iclr-blogposts.github.io/2025/blog/sp...

11 months ago 49 12 1 0
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My MRI simulation paper was among the top 10% most read in Magnetic Resonance in Medicine 🀩! #JuliaLang

1 year ago 5 2 0 1
New horizons for Julia [LWN.net]

β€œNew horizons for Julia”:

lwn.net/Articles/100...

My article about #julialang 1.11 and new directions for the language. I talk about new tooling for installation, compilation to small binaries, Julia in browsers, and more.

#science #programming

1 year ago 18 4 1 1
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My first impressions of #Stanford: Wow! What a lovely campus. I’m not sure if this could even be considered winter. Pretty excited 😊!

1 year ago 0 0 0 0
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The countdown is on: Just 3 days left to submit your proposal for JuliaCon 2025! The Call for Proposals closes on January 31st, 2025, at 23:59 EST.
Submit your proposal today:https://pretalx.com/juliacon-2025/cfp
#JuliaCon2025 #CallForProposals #JuliaLang

1 year ago 10 6 0 0
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[Workgroup] JuliaHealth Meeting (Americas/Europe/Africa) -- January 29th, 2024 Hi Everyone! πŸ‘‹ It is a new year and it is time to have our first JuliaHealth monthly meeting! This month’s meeting will be a little different: we are running for 2 hours to reflect on this past year, ...

Hi folks!

Our first JuliaHealth meeting of the year is taking place this Wednesday 12 - 2PM EST! We will be reflecting on last year, the coming year, and planning for @juliacon.bsky.social!

Come with your thoughts and give the agenda a look! Hope to see you there!

#julialang #medsky #academicsky

1 year ago 4 3 1 1

I haven't seen that one! Niiice!! Pretty much the same analogy haha

1 year ago 1 0 0 0
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I also made this drawing to explain multiple dispatch #JuliaLang 😁

1 year ago 3 0 1 0
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GitHub - LIBREhub/Advanced-Scientific-Computing-Using-Julia: Julia is a modern programming language, ideal for scientific computing, designed for fast, extensible, and reproducible code. In this two-d... Julia is a modern programming language, ideal for scientific computing, designed for fast, extensible, and reproducible code. In this two-day workshop, you’ll get hands-on: start with a practical e...

The materials for the workshop (some based on the incredible work by Carsten Bauer) and videos (in Spanish) will be uploaded here:

github.com/LIBREhub/Adv...

1 year ago 5 0 1 0
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GitHub - cncastillo/pr-execution-leaderboard: A repository to track and rank pull request execution times. A repository to track and rank pull request execution times. - cncastillo/pr-execution-leaderboard

This was all done automatically generated when they created a PR to this repo with their code

github.com/cncastillo/p...

1 year ago 0 0 1 0
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Just gave a two-day #JuiaLang workshop, and the fastest and the most improved code (after some performance tips) won a mug. People can get really competitive when you put a leaderboard on screen😜.

1 year ago 16 1 1 1
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Maybe not highly accurate, but I like this image. There's also a giftedness corner, that increases masking abilities. In that case people can be twice (2e: gifted+autism) or thrice (3e:gifted+autism+adhd) exceptional :), any convex combination in that space really.

1 year ago 2 0 0 1

Excited to say that for the first time ever, JuliaHealth will be hosting a mini-Symposium at @juliacon.bsky.social 2025!

More details to come but we are looking forward to hearing from YOU! Excited to hear submissions about talks, demos, and tutorials! πŸ§ͺ πŸ›ŸπŸ©Ί

#medsky #julialang

1 year ago 15 5 0 0

Woow! Amazing thanks!! 😁

1 year ago 0 0 0 0

Pretty cool! I think it should skip typing "julia>", "pkg>", and "help>". Are you planning to support syntax highlight?

1 year ago 0 0 1 0