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Posts by Arvid Gerstmann πŸ¦€

A tail-call interpreter in (nightly) Rust Exploring tail-call-style interpreter implementation with an optimized Uxn emulator, on ARM, x86, and WebAssembly

If – on this grey Sunday morning – you would like to read a dozen pages about using tail calls for fast interpreters, then I have Excellent News for you:

www.mattkeeter.com/blog/2026-04...

1 week ago 76 8 5 0

And the formulas from the IPC standards are usually considered least accurate. Oh the irony.

1 week ago 0 0 0 0

Ich stelle mir so langsam die Frage, wie weit ich auswandern muss? Ich denke ΓΌber Neuseeland nach. WΓ€re weit genug weg.

1 week ago 4 0 0 0

There are at least six or seven different formulas (that I know about) for calculating the impedance of a PCB microstrip track, and they all disagree.

What a wonderful world ...

1 week ago 2 0 1 0
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1-Wire - Wikipedia

Fun fact: The first iteration of the magsafe connector used a simple 1-wire protocol to control the LED.

en.wikipedia.org/wiki/1-Wire

1 week ago 1 0 0 0

Even Windows Explorer itself is blurry on high-dpi screens, which is absolutely ridiculous.

1 week ago 0 0 0 0

I have complained a lot about Altium Designer in the past, but at least it can render correctly on high-dpi screens. Many other, very expensive, software still can't do this. I'm looking at you Ansys SiWave, KeySight ADS, or OrCAD X.

1 week ago 0 0 1 0

As a German I'm concerned that I'm not 100% German.

1 week ago 5 0 1 0

I searched "data center coloring book" because I was trying to decide if I should make one and found this, from a power management company, and I don't think I can top this www.eaton.com/explore/_pfc...

2 weeks ago 515 167 50 59

The latter is a really neat trick!

2 weeks ago 0 0 0 0
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Gorgeous color combination.

2 weeks ago 1 0 0 0

Direct link:

github.com/settings/cop...

2 weeks ago 1 0 0 0

That's a sub-tweet (sub-skeet?) if I've ever seen one.

2 weeks ago 0 0 1 0
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Go to GitHub.com and change your settings to not allow your code to be used for AI training.

MicroSlop is truly going back to the old ways of being evil.

2 weeks ago 3 2 1 0

The best ideas are always hidden in the threads.

2 weeks ago 1 0 0 0

In this year of 2026 if you absolutely have to run your mobile, international event in America - and you choose to run it in Texas, Tennessee, or Florida, that is certainly a choice that reflects which of your members or employees you see as human.

2 weeks ago 179 58 9 3
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Any reading recommendations to more thoroughly understand (specifically) Linux networking?

I do have good reading on the lower levels of the stack.

2 weeks ago 1 0 0 0

Back then, we walked. There was no bus, yet.

(I'll see myself out)

2 weeks ago 0 0 0 0

After literally years of using Remote Desktop with atrocious performance, I have finally figured it out. Two months after buying a ThinkPad so that I can do CAD on my couch.

arvid.io/2026/03/25/f...

2 weeks ago 2 0 0 0

It massively simplifies I/O concurrency. A big part of that are actually made possible by cancellations (both a curse and a blessing). The select macro is just utterly brilliant.

2 weeks ago 2 0 0 0
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Deadlocking a Tokio Mutex without Holding a Lock | e6data Learn why a Tokio mutex in async Rust can appear deadlocked even when unlocked, how a waker-contract violation traps permits, and how to fix it safely.

Another team joins the "probably don't use Tokio Mutexes" club

2 weeks ago 34 1 3 2

It's 2026. We have 10 Gigabit ethernet. Yet, Remote Desktop over LAN still has a delay of several hundred milliseconds and renders at what feels like 10 FPS.

That's option 1. Option 2 is snappy but is illegible because it has graphics artifacts all over.

I don't get it.

2 weeks ago 2 0 0 1

Let's see what your highscore is. Do you know the Tom Scott video, where he does the self-experiment to see how the increased co2 affects cognitive performance?

3 weeks ago 2 1 0 0

Hey! You've been busy during embedded world. I came by the booth a couple times but must've missed you.

3 weeks ago 0 0 0 0

Announcing the Zero Token architecture. Instead of burning AI tokens, you learn to think for yourself, and complete tasks using your brain.

3 weeks ago 518 100 21 8

The Rust 1.0 Sticker is great. I still remember that day.

3 weeks ago 1 1 0 0
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The aftermath of cutting a stencil free of the JLCPCB frame. Mistakes were made and the stencil was ordered with the frame.

It's now got a more manageable size.

1 month ago 2 0 0 0

Manual assembly without KiCad's iBom plugin is possible but pointless.

Seriously, I've got some projects that are still in Altium (hopefully fixed by KiCad 10 and better delay tuning tools) which I'm now importing into KiCad to get an iBom.

I feel like a caveman with just pen and paper.

1 month ago 1 0 0 0
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Well, congratulations. Great company, from what I've heard.

1 month ago 1 0 0 0

Wait, Cargo is not an SAT solver? I don't know enough about package managers but I assumed they're all SA problems.

1 month ago 0 0 0 0