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Nelson Elhage
Mastodon
After my earlier adventures benchmarking CPython, I ended up going deep down a rabbithole on CPU branch prediction and learning a bunch of interesting things, which I have attempted to write up and share:
attempted adventures benchmarking
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18 September
Designer, product manager, YouTuber and developer who has written about technology at Birchtree since 2010. He makes the Quick Reviews and Quick Notes apps and the A Better Computer YouTube channel.
iPhone 18 Pro with La Croix cooling I did some benchmarking today and saw how the newest iPhone thermal throttles, which isn't severe, but does happen. I know from experience that if you put a cold beverage on the back of your phone, it will cool down rea…
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14 September
Writes Don't Worry About the Vase, a near-daily account of what is happening in AI and what they think it means. Former Magic: the Gathering pro and trader; unusually willing to put a number on a belief and to grade their own past calls.
12 September
Economics writer; author of the Noahpinion newsletter.
10 September
Writer and academic, author of The Cult of Smart and How Elites Ate the Social Justice Movement; writes a daily newsletter on politics, education and culture.
24 August
Usability pioneer; co-founder of Nielsen Norman Group and founder of UX Tigers; author of the ten usability heuristics and of Jakob's Law.
16 August
Programmer and teacher; writes on software, learning and the web, and makes the Coding Blocks video course.
Their words
Feynman was a Teacher. This book is as fantastic as the man himself.
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rakhim.org
7 August
Geneticist and writer on human population genetics, deep history and evolution; author of the Unsupervised Learning newsletter.
Writes Pedestrian Observations on public transit and why infrastructure costs what it does; a pure mathematician by training, comparing how different countries build.
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
24 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.
x.com Exercises in evals and benchmarking: DeepSWE / Senior SWE-Bench, performance math, and cold weather tires Related
Bluesky Exercises in benchmarking and evals, part 7: performance napkin math, DeepSWE / Senior SWE-Bench, and winter tires danluu.com
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Mastodon Exercises in benchmarking and evals: performance math, winter tires, and DeepSWE / Senior SWE-Bench, danluu.com
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1 July
Programmer based in Vancouver who writes at scattered-thoughts.net about databases, programming language design and developer tools; author of the Imp, Dida and Zest language experiments.
8 June
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.
x.com Exercises in benchmarking, evals, and experimental design, part 6: Related
Mastodon Exercises in benchmarking, evals, and experimental design, part 6: patreon.com
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5 May
Writer and illustrator, author of Am I There Yet? and Out of the Blue; writes the newsletter Out of the Blue on grief, joy and everyday attention.
27 April
Founded CD Baby in 1998 and sold it in 2008, giving the proceeds to a charitable trust for music education. Since then a writer and speaker: five books and 550+ articles, published first at sive.rs, which they hand-code and keep free of advertising.
For the last three years, my boy and I have had a pet mouse. We got her from a pet store, and he’s carried her in his hand through so many adventures in forests, beaches, and playgrounds. Drawings and stories for and about her. You’ve never seen a mouse so loved.... Related
26 January
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.
Exercises in benchmarking and experimental design, part 5: Related
14 January
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 January
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.
12 January
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.
1 January
Co-founder of Panic, the Portland software company behind Transmit, Coda, Nova and the Playdate handheld console.
According to https://web.law.duke.edu/cspd/publicdomainday/2026/ this painting's copyright expires on Jan 1, 2026. Artists, pencils up. I, for one, am excited to see the further adventures of Paul Klee's animal friends. Related
16 December 2025
China economy researcher based in Beijing who writes on his personal blog about Chinese political economy, history, books and music.
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Twain's original is, still, the better book.
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andrewbatson.com
12 September 2025
Professor at Berkeley working on robot learning; co-founded Physical Intelligence, and argues that robots will learn from data rather than be programmed.
self-driving cars
Their words
So, that's not an argument about robotics being easier than autonomous driving. It's just an argument for 2025 being a better year than 2009.
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youtube.com
11 September 2025
Machine learning engineer and consultant focused on RAG and retrieval systems. He writes about applied AI engineering at jxnl.co and is the author of the instructor library.
15 August 2025
Austrian developer. Created the libGDX game framework, and more recently the pi coding agent, which moved with them to Earendil — Armin Ronacher's company — in April 2026. Writes at mariozechner.at.
31 July 2025
Statistician at Carnegie Mellon; writes on complex systems, machine learning and inference, and has kept a books-read notebook since 2000 that is now thousands of entries long.
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I nonetheless found this book somewhat disappointing, because Jay seemed content to expound the authors he covers in more or less their own terms, rather than subjecting them to anything like actual epistemological or methodological criticism.
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bactra.org
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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.
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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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