Andrew Johnston

@billywhizz.bsky.social

366 Followers 1115 Following

https://billywhizz.io/ pushing bits @bloomberg.com hacking on a js runtime at https://github.com/just-js opinions are my own

an image of a table showing results of benchmarks with the best model (GPT 5.1 High) scoring 23.7%.
an O'Rly book cover with a picture of a sloth and the title "Copying and Pasting from ChatGPT" and the subtitle "Deploying untested code at breakneck speeds"
a screenshot of a demo video of the cursor browser
a screen grab of the related youtube video, with the "grim reaper" as "RAM Prices" meme showing Lenovo, Raspberry Pi and Samsung already dead.
a graph showing the proposed alternative scheduler massively outperforming stock kubernetes scheduler
a screen grab from the youtube video displaying a smiling 1950's woman from an ad and the message CORE = small + stable
screenshot of benchmark results showing 2x improvement with v8 3.8 versus current node.js.
benchmark graphs showing 2x throughput improvement on Mac M1, Win 11, Linux and Pixel9
diagram of web assembly shared instances proposal
screenshot of cfg.com home page
a graph of an overloaded system
comparison of tiny assembly custom binary format linux program and elf binary compiled by C
Illustration of author surveying the fruits of his labor by Bomberanian
pipeline from python source to JITted code
graphs of linux/arm64 (raspberry pi) benches
graphs of macos/arm64 benches
linux/x64 core i5 benchmark charts
a graph of ffi benchmarks comparing bun, deno and lo javascript runtimes
screenshot of a description of chrome isolated apps from the link in the post
screenshot of seccomp BPF being compiled in a C function
a photograph of a pdp-8 system in all its glory
a cartoon of good v bad showing the share of cognitive load versus smart developer's quirks
graph comparing evaluation time of JWST release mode versus v8 with and with code cache
twitter screenshot - Technology Trending - "Bluesky" - 150k posts
function assert (condition, message, ErrorType = Error) { if (!condition) { if (message && message.constructor.name === 'Function') { throw new ErrorType(message(condition)) } throw new ErrorType(message || "Assertion failed") } return condition } function bench () { const runs = 50000000 const start = Date.now() for (let i = 0; i < runs; i++) { assert(performance.now()) } const elapsed = Date.now() - start const rate = runs / (elapsed / 1000) const div = document.createElement('div') div.innerText = rate document.body.appendChild(div) setTimeout(bench, 100) } setTimeout(bench, 100)