Eric Zhang @ekzhang1
I think about systems and interaction design. Currently working at Modal. recently: reading group, furniture, photos, biking, dataviz, wandering the city ekzhang.com New York, NY Joined June 2021-
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had my second long walk with a slightly-older-but-not-quite-older-still-gen-z friend this week and this one was more refreshing i could tell because the city felt different. but the city didn’t change, I just had another perspective
so i saved $27000/year by removing 10 lines of code this morning they were print() statements
if anyone has a Windows or Linux desktop and knows JavaScript, maybe you can lend a hand 👉👈 github.com/ekzhang/sshx/i…
the nice thing about having a journal is that I can read stuff from april 30 2022, 2023, or 2021 and feel some intimacy or closeness of heart to a person that I don't quite remember; and read some words and think, that's so beautiful
my feeling about the news these days: maybe if there is a group of experts in X, and you are not an expert in X, the experts are probably right and not you
it’s stressful when people I just met read my twitter feed in front of me 🥲 anyway we walked down manhattan today!! the theme was, learning about people’s lives, and lots of bars(?)
the actual hard part of software performance isn't writing fast code; it's rather the process of removing slow code all software would be fast if none of its parts were slow. the magic of fast software is just, "we wrote 10000 boring components and none of them are slow"
only on /r/rust do you see a post "I made this project to learn the basics of Rust" and the project is a 2D numerical PDE solver for the nonlinear Schrodinger equation and renderer written from scratch
For the next few weeks, we'll be reading through the AOSA books! notes.ekzhang.com/events/nysrg
stumbled upon "Yahoo! developer: best practices for speeding up your website" (2006). the web seemed simpler back then in terms of protocols, but more complicated in other ways :')
Things that sound impossible but are actually possible: - going to the moon - editing nanoscale molecules - genome engineering Things that are actually impossible - figuring out if cholesterol is good or bad for people - fixing nyc traffic - making a website that works on mobile
a bunch of new people from China using sshx.io this morning! I added an instance in hong kong
Just want to point out that the one thing almost all of my math college classmates believe—whether they're topology PhDs, finance analysts, B2B SaaS, or teachers— is they're doing what is best for the world (And that's ok! aren't we all trying to live in a way that feels right?)
The downside of using code formatters for so long is that I’m no longer able to format my own code— I used to compose C++ with a deft hand, a master of tabs and spaces then I discovered clang-format, prettier, rustfmt, black and it’s all been automated
update on the 0.02% bug: it was because nginx, by default drops connections every 10,000 HTTP requests. why can't computers just work!!
How do you debug something that consistently fails 0.02% of the time, at random?
I'm kind of slipping on emails / doing things, but NYSRG must go on!! topic for next week is memory allocators. jemalloc is probably the most popular allocator in industry (besides libc malloc), and mimalloc is a newer paper with some interesting ideas notes.ekzhang.com/events/nysrg
I was reading this and it reminded me of the kind of borderline-impractical sounding thing that I'd expect from reading a research paper rather than an actual tool 🤔 still interesting, but I wish it was simpler. it's easy to make complicated software figma.com/blog/introduci…
Erik Bernhardsson @bernhardsson
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I've gotten together with various former Redis contributors and we've started working on a fork: github.com/madolson/place…. We are all unhappy with the license change, and are looking to build a new truly open community to fill the void left by Redis. Come join us!
Today on the blog: How we built an HTTP and WebSocket stack at Modal, deploying web endpoints in under a second. Check out @ekzhang1's writing on the challenges and insights of developing this infrastructure in Rust. modal.com/blog/serverles…
Bit of a plot twist, but I'll be joining @AnthropicAI after I graduate undergrad at UCLA to work on LLM research tools
the white house cabinet
It’s now illegal to NOT do the Rust re-write whitehouse.gov/oncd/briefing-…
You can now run WebSockets on Modal! modal.com/blog/websocket…
Modal + @suno_ai_ ✨🎶 Learn about how we helped Suno rapidly scale their music generation app in production: modal.com/blog/suno-case…
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💚 Valentine's Day cards for your loved ones.💚
10,000 followers – thanks @LaxmanMunigala 🎉 Our social media manager deserves a promotion!
I got a new job at @modal_labs! In my first week here, the team has added H100s, shipped an integration with @vercel, and merged >200 PRs. Incredible combination of velocity, product, & tech. I want to tell the story of my journey from early adopter to happy user to employee.
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I admire Claudine Gay for putting Harvard's interests first at what I know must be an agonizingly difficult moment. Alan Garber, who is universally liked, admired, and respected, is a superb choice as Interim President. At this complex juncture, there will be much to reflect on…
hi! i'm currently looking for research engineer-y summer '24 internships (and new grad after that!) — i previously worked on ml optimization at google brain and on training+inferencing llms at cohere — please reach out if you're hiring undergrad interns :D bilal2vec.com
How can you tell how reliable an LLM output is? Let’s talk about calibration—calibrated confidences give an accurate probability of whether an LLM output is correct AKA how reliable it is Our EMNLP paper shows we can get calibrated confidences from RLHF LLMs by *just asking* 🧵
One idea I've been contemplating recently is that American Football may be the key to extending Western Civilization.
One idea I’ve been contemplating is that Bitcoin may be the key to extending western civilization. The natural trend of whichever country has the reserve currency is to inflate the money supply and increase deficit spending until it loses that advantage. The U.S. is somewhere on…