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From 300KB to 69KB per Token: How LLM Architectures Solve the KV Cache Problem
How the KV cache gives every AI conversation a physical weight in silicon, and what happens when the memory runs out.
New
The latest blog posts to take off on Hacker News. 80,808 posts.
4292
Bring Back MiniDV with This Raspberry Pi FireWire Hat
In my last post, I showed you to use FireWire on a Raspberry Pi with a PCI Express IEEE 1394 adapter. Now I'll show you how I'm using a new FireWire HAT and a PiSugar3 Plus battery to make a portable MRU, or 'Memory Recording Unit', to replace tape in older FireWire/i.Link/DV cameras. The alternative is an old used…
4293
CSS is DOOMed
Every wall, floor, barrel, and imp is a div — DOOM rendered entirely in CSS. Using 3D transforms, CSS math functions, @property, clip-path, anchor positioning, and SVG filters to build a fully playable 3D first-person shooter in the browser without Canvas or WebGL.
4294
The revenge of the data scientist
AI eval mistakes and the data science practices that fix them.
4295
The first 40 months of the AI era
Lzon.ca. A personal blog, by a programmer and IT expert.2026216 points144 commentsAI & Machine Learning details
A personal blog, by a programmer and IT expert. Essays, Articles, Guides, and Recipes. As well as Code, Quotes, and Links.
4296
TruffleRuby
TruffleRuby started as my internship project at Oracle Labs in early 2013. It is an implementation of the Ruby programming language on the JVM, using the Graal dynamic compiler and the Truffle AST interpreter framework . TruffleRuby can achieve peak performance well beyond that possible in JRuby at the same time as…
4297
Founder of GitLab battles cancer by founding companies
I’ve taken agency in the treatment of my bone cancer (osteosarcoma in the T5 vertebrae of the upper spine). After I ran out of standard-of-care treatment options and there were no trials available for…
4298
Linux is an interpreter
And why you would want to exec a cpio
4299
What major works of literature were written after age of 85? 75? 65?
EDIT: removed a couple of false positives based on comments from people. 2/04/2026: added a GitHub repository with data for this post
4300
Seeing like a spreadsheet
How the commercial spreadsheet reshaped America
4301
I decompiled the White House's new app
The official White House Android app has a cookie/paywall bypass injector, tracks your GPS every 4.5 minutes, and loads JavaScript from some guy's GitHub Pages.
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4303
Treason in the Futures Markets
People close to Trump are trading based on national secrets
4304
Why are executives enamored with AI, but ICs aren't?
Executives love AI while ICs stay skeptical. The divide comes down to non-determinism: who is evaluated on judgment versus deterministic execution.
4305
Researchers find 3,500-year-old loom that reveals textile revolution
UA researchers find 3,500-year-old loom that reveals key aspects of textile revolution in the Bronze Age
4306
Agents of Chaos
Natalie Shapira 1 Chris Wendler 1 Avery Yen 1 Gabriele Sarti 1 Koyena Pal 1 Olivia Floody 2 Adam Belfki 1 Alex Loftus 1 Aditya Ratan Jannali 2 Nikhil Prakash 1 Jasmine Cui 2 Giordano Rogers 1 Jannik Brinkmann 1 Can Rager 2 Amir Zur 3 Michael Ripa 1 Aruna Sankaranarayanan 8 David Atkinson 1 Rohit Gandikota 1 Jaden…
4307
Make macOS consistently bad unironically
Alongside the various bugs you get, one of the issues of upgrading to MacOS 26 is that it has one of the most notorious inconsistency issues in window corners. I'm not sure what exactly pushes product designers to like …
4308
Back to FreeBSD – Part 2 – Jails
Before we explore FreeBSD jails, it is worth refreshing our understanding of how Linux solved the same problem with LXC (Linux Containers).
4309
15 Years of Forking
Today marks 15 years of Waterfox!
4310
I am leaving the AI party after one drink
Personal website of Lara Aigmüller. Thoughts about web frontend development, music, and more…
4311
Last gasps of the rent seeking class?
Over the past fifty years, the U.S. economy built a giant rent-extraction layer on top of human limitations: things take time, patience runs out, brand familiarity substitutes for diligence, and most people are willing to accept a bad price to avoid more clicks. Trillions of dollars of enterprise value depended on…
4312
OpenBSD on Motorola 88000 Processors
Many people know, or have heard of, the Motorola 68000 architecture. These processors have been used in many machines: in the first generations of Apple Macintosh computers, in the ever-rivals Amiga and Atari ST home computers, in many workstations built by Sun , HP and NeXT (to name only a few), but also in many…
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4314
The 'paperwork flood': How I drowned a bureaucrat before dinner
A fabulously gay blind Romance author.
4315
Should QA exist?
There are a lot of challenges in the way QA and engineering work together. Many eng leaders think you shouldn't have QA. I dig in.
4316
Hold on to Your Hardware
A warning about rising prices, vanishing consumer choice, and a future where owning a computer may matter more than ever as hardware, power, and control drift toward data centers and away from people.
4317
Reinventing the pull request
We have significantly improved how code reviews work in Lubeno. We think code review should do more than catch bugs, it should also help teams reduce comprehension debt. In this post, I want to explain how that idea shaped our recent work on code review in Lubeno.
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4319
A Faster Alternative to Jq
An introduction to the jsongrep tool, a technical explanation of its DFA-based search engine, and performance results against popular JSON query tools.
4320
Agent-to-agent pair programming
What if you could let Claude and Codex work together as pair programmers, talking to each other directly? One of them as the main worker and the other as a reviewer.