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Hash-Based Bisect Debugging in Compilers and Runtimes
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19 September
Working on @ampcode. Writing registerspill.thorstenball.com. Once authored interpreterbook.com and compilerbook.com.
Their words
Tokens are the new computing paradigm. Everything will be re-made on top of it. We’ve had deterministic computers for 80 years, so we confuse “how computers have worked” with “how computers must work.” We’re entering the post-binary era.
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thorstenball.com
17 September
Computer science professor who works on fast data processing; co-author of the simdjson parser and a weekly blogger about software performance since 2004.
15 September
Artist and developer who makes esoteric software, games and tools aboard a sailboat as part of Hundred Rabbits with Rekka Bellum; creator of the Uxn virtual machine and the Orca livecoding environment.
I've been scratching my head trying to think how to package assets for my #lispGameJam project, I really REALLY wanted to be able to inline assets as raw hex code, like I normally do for uxn projects, not have to read binary files, so I added a special form with square brackets that lets me to just that! This is the first sprite(a little arrow) I was able to store in my source code. Related
14 September
Engineer at Vercel Labs as of 2026. Ships a steady stream of small developer tools — agent-browser, portless, json-render, native-sdk, the v0 SDK — and lists every one of them at ctate.dev.
emulate v0.11.2 is out Updates across six emulators: GitHub, Google, Resend, AWS S3, Slack, Microsoft GitHub → Raw Contents and README responses → Seed org members and admins → Checks handle branch and tag names with slashes → Org installation writes authenticate as the App bot Google → Calendar v3 discovery endpoint → RS256-signed ID tokens and JWKS for OIDC verification Resend → Idempotency keys for individual and batch sends, so retries don't create duplicate emails or webhooks AWS S3 → Preserve binary payloads on upload, copy, and download Slack → Truncate messages at 40,000 characters, w… Google Related
CEO of Vercel; creator of Next.js and Socket.IO. Writes at rauchg.com.
Their words
Agents are only as good as the proof-checkers, compilers, type systems, and linters you give them.
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@rauchg on X x.com
12 September
CEO of Vercel; creator of Next.js and Socket.IO. Writes at rauchg.com.
Their words
Agents are the new compilers. They compile intent into fast software.
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@rauchg on X x.com
10 September
Statistician and Chief Scientist at Posit (RStudio). Author of the ggplot2, dplyr and tidyverse R packages and of books on R programming and data science.
Front-end developer and writer; co-founder of CodePen, founder of CSS-Tricks, and co-host of the ShopTalk Show podcast.
Nice article; but wow `html { text-transform: lowercase; }` is a wild choice. hash tag i'm old. Quoting @ronaldsvilcins.com Native HTML and CSS Features That Replaced JavaScript ronaldsvilcins.com/2026/08/30/n... #css #html #programming #webdev #javascript #code #blog #article Related
8 September
CEO of Vercel; creator of Next.js and Socket.IO. Writes at rauchg.com.
Their words
There's no excuse for software to be slow anymore. Projects like 𝚏𝚏𝚏 and 𝚝𝚊𝚔𝚞𝚖𝚒 leading with speed, compilers like 𝙿𝚎𝚛𝚛𝚢𝚃𝚂 and 𝚙𝚘𝚛𝚏𝚏𝚘𝚛 that can help us upgrade entire ecosystems to native, and 𝚐𝚙𝚞𝚒𝚡 pushing the GPU rendering speed frontier.
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@rauchg on X x.com
7 September
Thai software engineer; publishes a public digital garden at garden.narze.live and builds developer and productivity tooling.
2 September
Co-founder of Superlogical, started in 2026 to build server-side terminal infrastructure; creator of Ghostty. Co-founded HashiCorp and created Vagrant and Terraform before that.
A video explaining a handful of the tricks we use to optimize for memory within the Superlogical server: in-memory compression, moving file descriptors between event-driven and blocked threads dynamically, full terminal state binary snapshot/restore in microseconds, and more! Related
11 August
Writer, editor and executive coach; co-founder and editor of A Book Apart and a former contributing editor at A List Apart.
Bluesky “That’s how it is—we’re literate….But why do we lock ourselves into one mode? Why either/or? We aren’t binary. Why have we replaced oral text with written? Isn’t there room for both?” aworkinglibrary.com
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Mastodon “That’s how it is—we’re literate….But why do we lock ourselves into one mode? Why either/or? We aren’t binary. Why have we replaced oral text with written? Isn’t there room for both?” aworkinglibrary.com
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25 July
Programmer and writer on computer architecture, performance, and software reliability. He has worked on CPU design at Centaur Technology and on software at Google and Microsoft, and writes long-form technical essays at danluu.com.
In another variant of https://danluu.com/learn-what/, I caught up with a former colleague who worked on automated theorem proving. It turns out he's had an interesting career doing all sorts of interesting stuff using the skills he developed by spending a decade writing/using theorem provers. At one point, he said, "if you use X like a theorem prover, it works really well", which surprised me to hear, but of course this is a highly generalizable skill just like compilers or benchmarking/evals. Related
20 July
Cryptography engineer; maintains Go's cryptography libraries as a full-time open-source maintainer, funded directly by companies that use them.
10 July
Programmer and writer; co-wrote The Rust Programming Language and worked on Rust's documentation for years.
Compilers and AI 'cyber' defense I haven’t had time to blog in a while, I have a lot to say, but have been doing a lot of things and so haven’t gotten words down in a while. One of those things in the past few weeks has been picking back up my Rue proj…
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9 June
Historian of maritime strategy at the US Naval War College; wrote The Wars for Asia and works on why continental and maritime powers fight differently.
Their words
And their idea is we must hash out our different differences with diplomats and lawyers cuz when you send the soldiers in, it is uh whatever gains you think you're going going to get are going to be inferior to what you would have done with the diplomats.
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youtube.com
27 May
Builds developer tools — SST, and now OpenCode at Anomaly. Posts constantly on x.com and writes almost never; the blog stopped in 2021.
20 May
Programmer and writer known for detailed source code reviews of classic game engines, and author of the Game Engine Black Book series on Wolfenstein 3D and DOOM.
13 May
Danish software engineer and Microsoft technical fellow, creator of Turbo Pascal and Delphi and lead architect of C# and TypeScript.
Their words
And so everything is lazy and deferred and functional and reusable inside the compiler. And it's a very different way of writing compilers than than what the textbooks will traditionally teach you.
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youtube.com
6 May
Software engineer who writes about low-level and systems programming at nullprogram.com; author of the Elfeed feed reader, the Endlessh SSH tarpit and Enchive.
Concurrent, atomic MSI hash tables Readers will be familiar with Mask-Step-Index (MSI) hash tables, a technique for building fast, open-addressed hash tables in a dozen lines of code. If multiple threads or processes access an MSI table with at least one…
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16 April
Programmer; wrote Redis and hping, and blogs about C, systems programming and working alone.
AI cybersecurity is not proof of work The proof of work is the wrong analogy: finding hash collisions, while exponentially harder with N, is guaranteed to find, with enough work, some S so that H(S) satisfies N, so an asymmetry of resources used will see th…
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26 March
Standards editor known as Hixie; edited the HTML and WHATWG living standards for many years and worked on Flutter at Google.
1 March
Writer, photographer and software maker based in Japan; publishes long-form essays, walking newsletters and self-made books at craigmod.com.
13 December 2025
Programmer and author of Modern C++ Design and The D Programming Language; a lead contributor to the D language.
If you compile a monad to binary code you get a... Related
9 March 2025
Software engineer who writes the blog Made of Bugs about performance, debugging and understanding computer systems. Previously worked at Anthropic on interpretability, at Stripe on Sorbet, and at Ksplice.
Their words
I'm hopeful this framework will turn out to be a much more robust style for writing performance-sensitive code, especially over time and as compilers evolve.
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blog.nelhage.com
19 January 2025
Historian at Stanford and the Hoover Institution; wrote Milton Friedman: The Last Conservative and Goddess of the Market, on Ayn Rand.
Their words
Postmodernism started about disrupting binaries. We're going to be fluid. We're going to go beyond the border. We're going to disrupt the binary. And it's devolved in its popular forms to the re-inscribing of many different binaries. Oppressor and oppressed has become this paradigmatic set of glasses you put on to understand the world.
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youtube.com
19 September 2024
Medicinal chemist; has written In the Pipeline, the drug-discovery blog, since 2002, and the “Things I Won’t Work With” posts about chemicals that try to kill you.
25 February 2024
Programmer and author of Modern C++ Design and The D Programming Language; a lead contributor to the D language.
How can you specialize std::hash for a Voldemort type - i.e., how to make this code work? godbolt.org
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31 October 2023
Programmer and entrepreneur; co-founded GitHub and created Jekyll, Gravatar and the Semantic Versioning spec.
23 August 2023
Programmer and author of Modern C++ Design and The D Programming Language; a lead contributor to the D language.
Got some interesting results with binary search, passed them to the marketing team (i.e., ChatGPT), and... see you at NDC! ndctechtown.com
OpenAI Related
25 April 2023
Software engineer writing about maintenance, open source and the industrial reality of software — the author of "I am not a supplier".
We Need More Process Engineering in Software When you peruse the depth of software engineering as a discipline, you find a lot of techniques and tools laying around in corners. Pattern matching, tighter type-checking compilers, property-based testing, snappy IDE,…
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2 May 2022
Writer of the blog Putanumonit and the newsletter Second Person, on rationality, dating and probability; based in New York.
4 April 2022
Programmer and entrepreneur; co-founded GitHub and created Jekyll, Gravatar and the Semantic Versioning spec.
19 January 2021
Programmer and writer; specified JSON, wrote JavaScript: The Good Parts, JSLint and How JavaScript Works.
2 December 2020
Researcher on distributed systems and local-first software at the University of Cambridge; wrote Designing Data-Intensive Applications.
14 April 2019
Software engineer; co-founder and former CTO of Tailscale, previously on the Go team at Google.
Nothing matches. Show everything
A korrent is a belief a person has stated in their own words: one
sentence stating the claim, backed by a quote and a source, kept at
korrents.com .
Under a name here, the quoted block is what they actually said.
The korrent beneath it is the claim those words support, in
korrents' wording — tap it to see the record, its source, and who
else holds it.
Nobody here wrote their own korrents. They are compiled from public
statements, and a person can change their mind, which is recorded too.
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About the English under a post
Some people here publish in a language other than English. Where they
do, this site shows a machine translation beneath the post, in
this typeface — the site's own, not theirs.
The post itself is never changed, moved or hidden: what is set in the
serif above is exactly what the person published, and it is what to
quote them on. A translation can be wrong in ways that matter,
especially about tone.
Only the post's own words are translated. A quoted post, a linked
article and a belief on korrents.com
are left in their original language.
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