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Nelson Elhage
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Seeing a lot of folks commenting on the "Tic-Tac-Toe in `printf`" post that's going around. If you like that one, I also enjoyed this writeup of a CTF challenge structured around a bytecode VM implemented as a single `sprintf`:
commenting bytecode writeup
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14 September
Economist; former chief economist of the International Monetary Fund.
3 June
Software engineer and founder of Block Party; previously an engineer at Pinterest and Quora, and a co-founder of the non-profit Project Include and the tech diversity data project Where are the Numbers?
29 May
Cryptographer; teaches cryptography at Johns Hopkins and writes A Few Thoughts on Cryptographic Engineering.
Let’s talk about encrypted reasoning Update August 11, 2026: A group of researchers from all over Europe were inspired by this post, and actually turned it into a real working attack! Check out their writeup and paper here. This is a quick post I wanted to…
Europe Related
21 April
Member of technical staff at Anthropic. He has led ML/AI teams at Amazon, Alibaba and Lazada, and writes about LLMs, recommender systems and engineering at eugeneyan.com.
Great writeup by @mozilla: Mythos found 271 vulns (fixed in Firefox 150); Opus 4.6 found 22 (fixed in Firefox 148) https://t.co/wzTCxmTKbe > "So far we’ve found no category or complexity of vulnerability that humans can find that this model can’t." > "The defects are finite, and we are entering a world where we can finally find them all." ❤️ Related
5 February
Engineering leader and writer; wrote An Elegant Puzzle, Staff Engineer and The Engineering Executive's Primer, and blogs at Irrational Exuberance.
19 July 2025
Mathematician at UCLA, working mainly in harmonic analysis and partial differential equations. Writes What's new, a long-running blog on their research, open problems and expository notes.
My thoughts on the crucial importance of methodology on self-reported AI performance on mathematics competitions, and my policy on commenting on such reports going forward: mathstodon.xyz
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4 July 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.
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.
5 March 2025
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.
22 July 2024
Software engineer and writer; former CTO of Wave, now at Anthropic. Blogs at benkuhn.net on attention, engineering management and doing hard things well.
New post! "Categories of leadership on technical teams:" https://t.co/qea715y2LA A writeup of a framework I reference a lot when talking about how to structure and staff teams: Related
6 March 2024
Software engineer and writer; former CTO of Wave, now at Anthropic. Blogs at benkuhn.net on attention, engineering management and doing hard things well.
I really liked this writeup. I think it does a good job of capturing by far my favorite thing about Claude 3: Quoting @itsurboyevan Claude 3 is a marvel. It is the most human-feeling, creative, and naturalistic AI that I have ever interacted with. @AnthropicAI crushed it. While the benchmarking puts it in line with GPT4, the tests don't tell the whole tale. This is tech with a soul. Anthropic Related
8 December 2023
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.
I got nerdsniped much harder than intended by Advent of Code and so here's a writeup of how to process a 20,000 element list in C++ template metaprogramming without blowing your compiler's stack, and also about manually compiling a regular expression into a compile-time state machine. Sorry but also not sorry: blog.nelhage.com
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11 February 2018
Creator of the Zig programming language; president and lead developer of the Zig Software Foundation.
Zig: January 2018 in Review One month (and a few days, sorry I'm late!) has passed since I did the December 2017 writeup, and so it's time for another month-in-review for my esteemed sponsors. LLVM 6 Readiness LLVM 6.0.0rc2 was just announced on t…
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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.
Got it
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.
Got it