On me dit que ce texte signé Spencer Baggins @bigaiguy a fort probablement été créé par IA.
Fabrice Bellard
A French engineer who lives quietly in Paris has spent 30 years writing software that the entire internet now runs on without knowing his name.
He wrote the code that streams every YouTube video, every Netflix show, every TikTok clip. He wrote the code that runs the virtual servers underneath AWS, Google Cloud, and Microsoft Azure. He calculated more digits of pi than anyone in history. He has no Twitter. He has no marketing. He just keeps shipping.
His name is Fabrice Bellard.
Here is the story, because almost nobody outside the systems programming world knows what one man has built.
Fabrice was born in 1972 in Grenoble, France. He studied at École Polytechnique, the top French engineering school. He never went to Silicon Valley. He never built a startup empire. He just wrote code.
In 2000 he started a project called FFmpeg, an open-source multimedia framework for encoding, decoding, and streaming video. He was 28. The project did one thing nobody else had done well. It handled every video and audio format that existed, in one library, on every operating system. He led it himself for years.
Today FFmpeg is the invisible engine of the internet. YouTube uses it. Netflix uses it. VLC uses it. Chrome and Firefox use parts of it. Every Android phone, every iPhone, every smart TV, every video editing tool you have ever touched runs FFmpeg somewhere underneath. If you have watched a video on a screen in the last 20 years, Fabrice's code processed it.
He was not done.
In 2003 he started QEMU, a machine emulator and virtualizer. He wrote it solo until version 0.7.1 in 2005. QEMU lets you run any operating system on any other operating system. It became the foundation of modern virtualization. KVM, the Linux kernel hypervisor, runs on top of QEMU. Every major cloud provider, AWS, Google Cloud, Microsoft Azure, IBM Cloud, runs virtual machines on infrastructure built around it. The Quick Emulator is the most cited piece of cloud infrastructure code on Earth.
He kept going.
In 2001 he won the International Obfuscated C Code Contest with a small C compiler that grew into TCC, the Tiny C Compiler. TCC can compile and boot a Linux kernel from source in under 15 seconds. In 2004 he calculated the most digits of pi ever computed at the time, using a personal desktop computer and an algorithm he derived himself called Bellard's formula. In 2011 he wrote a complete PC emulator in pure JavaScript that runs Linux in your browser, a project called JSLinux that engineers still cannot believe is real.
In 2019 he released QuickJS, a small but complete JavaScript engine that fits where V8 cannot. In 2021 he released NNCP, a neural network based lossless data compressor that immediately took the lead on the Large Text Compression Benchmark.
Then he turned his attention to large language models. He built TextSynth Server, a web server with a REST API for running LLMs locally. He released ts_zip and ts_sms, compression utilities that use language models to compress text and short messages at ratios traditional algorithms cannot reach. He released TSAC, a very low bitrate audio compression system. In December 2025 he released Micro QuickJS, a new JavaScript engine for microcontrollers, separate from QuickJS, designed for environments with almost no memory.
Fabrice co-founded a telecom company called Amarisoft in 2012, where he serves as CTO. Amarisoft builds 4G and 5G base station software used by carriers and labs around the world. He has been running it for over a decade while continuing to ship personal projects from his own home page at bellard dot org
He has no Twitter. He has no Instagram. He gives almost no interviews. His personal website is a flat list of projects with no styling, no fonts, no marketing copy. Just titles and links.
A quiet French engineer who never moved to Silicon Valley wrote the code that quietly runs the internet.
He is still shipping.
fr.wikipedia.org/wiki/Fabrice_…
Spencer Baggins @bigaiguy
teilten dies erneut


Oblomov
Als Antwort auf Laurent Bloch • • •Jérôme Petazzoni
Als Antwort auf Laurent Bloch • • •impromptux
Als Antwort auf Jérôme Petazzoni • • •RealGene ☣️
Als Antwort auf Jérôme Petazzoni • • •@jpetazzo
Congratulations!! You are the Fediverse Pedant* of the Day!
*Fucking autocorrect
Ben Ford
Als Antwort auf Jérôme Petazzoni • • •2) did OP say “serving” or “streaming”?
Otte Homan :: fediologist
Als Antwort auf Jérôme Petazzoni • • •Stefcor
Als Antwort auf Laurent Bloch • • •Pango
Als Antwort auf Laurent Bloch • • •Jernej Simončič �
Als Antwort auf Pango • • •Bruno Adelé
Als Antwort auf Laurent Bloch • • •James 🌈💜
Als Antwort auf Laurent Bloch • • •He has always been one of my inspirations.
And if you have the time, check some of his assembly in qemu or ffmpeg. It's more readable than most people's high-level code, today.
Szymon Sokół 🇵🇱🇪🇺🇺🇦
Als Antwort auf Laurent Bloch • • •Have you heard about Fabrice Bellard?
- Nay, never until now. (54%, 194 Stimmen)
- The name rings a bell, but who is he…? (10%, 38 Stimmen)
- Yes, of course, and I've known what he's known for. (35%, 126 Stimmen)
358 Stimmen, Abstimmung endet: heute, 07:53will have been preventable
Als Antwort auf Szymon Sokół 🇵🇱🇪🇺🇺🇦 • • •@blotosmetek i know him mostly for QuickJS and remember being genuinely confused about how someone can go and build such a major project without even an attempt at "building a community" let alone marketing and whatnot. There wasn't even a repo, just some tarballs.
These days I'm less confused about it.
Gins
Als Antwort auf Szymon Sokół 🇵🇱🇪🇺🇺🇦 • • •Siff
Als Antwort auf Szymon Sokół 🇵🇱🇪🇺🇺🇦 • • •Howard Chu @ Symas
Als Antwort auf Szymon Sokół 🇵🇱🇪🇺🇺🇦 • • •The Penguin of Evil
Als Antwort auf Laurent Bloch • • •Petra van Cronenburg
Als Antwort auf The Penguin of Evil • • •TomAoki
Als Antwort auf Laurent Bloch • • •mirabilos🐈⬛
Als Antwort auf Laurent Bloch • • •b3lt3r
Als Antwort auf Laurent Bloch • • •That Old Guy with the Beard
Als Antwort auf Laurent Bloch • • •John Cormier 🇨🇦
Als Antwort auf Laurent Bloch • • •Campbell Jones
Als Antwort auf Laurent Bloch • • •millennial fulcrum
Als Antwort auf Laurent Bloch • • •Demallien
Als Antwort auf Laurent Bloch • • •all this, and yet it misses what I think is the most wonderful thing about Fabrice - he’s just a really nice guy. I had the desk next to his for a few years for a job, and he would just give so freely of his time to help others.
In a personal level, what I learned from him was to not be afraid of large code bases. At the end of the day it was just code and you can work your way through it to finally arrive at understanding. I feel like that one secret lies behind so much of his success.
Anyway he’s awesome.
Jyrgen N
Als Antwort auf Demallien • • •(LTE_)Max 🏳️🌈 #mrmcd26 📞5836
Als Antwort auf Laurent Bloch • • •100% AI post, srsly?
pangram.com/history/83d8befd-5…
Fabrice Bellard A French engi
PangramNini
Als Antwort auf (LTE_)Max 🏳️🌈 #mrmcd26 📞5836 • • •Kochrezeptevereinfacher
Als Antwort auf (LTE_)Max 🏳️🌈 #mrmcd26 📞5836 • • •Doesn't matter to me, as long as the facts are correct.
imhotep
Als Antwort auf Laurent Bloch • • •Big fan of Fabrice.
Whilst people are raging about chatgpt he's quietly working on game changing LLM tech like an elven smith.
For a peek at the future, check out the toys Fabrice is playing with at the moment.
Abie
Als Antwort auf Laurent Bloch • • •thomasmey
Als Antwort auf Laurent Bloch • • •DeterioratedStucco
Als Antwort auf Laurent Bloch • • •Rob Landley
Als Antwort auf Laurent Bloch • • •Oh thank goddess the way you started that tweet I was worried something had happened to him.
landley.net/notes-2012.html#14…
Rob Landley's Blog Thing for 2012
landley.netNicole Faerber
Als Antwort auf Laurent Bloch • • •He is for sure one of the most talented software engineers on the planet!
John Pell
Als Antwort auf Laurent Bloch • • •Azure runs Hyper-V specifically, same base as ships in Windows. This doesn’t make Fabrice’s accomplishments less amazing, just being pedantic. 😃 techcommunity.microsoft.com/bl…
Azure Host OS – Cloud Host | Microsoft Community Hub
Hari_Pulapaka (TECHCOMMUNITY.MICROSOFT.COM)Le Gaume
Als Antwort auf Laurent Bloch • • •Kevin Grant
Als Antwort auf Laurent Bloch • • •Dependency
xkcdetc
Als Antwort auf Kevin Grant • • •Otte Homan :: fediologist
Als Antwort auf Laurent Bloch • • •endrift 🏳️⚧️
Als Antwort auf Laurent Bloch • • •Ity Kitty [unit X-69] - VIOLENT FUCK
Als Antwort auf Laurent Bloch • • •QEMU has support for using KVM as a hypervisor, but it's not the only KVM VMM, KVM doesn't run on top of QEMU, it's the other way around
Zip
Als Antwort auf Laurent Bloch • • •Dependency
xkcdLR
Als Antwort auf Laurent Bloch • • •Neil Moffatt
Als Antwort auf Laurent Bloch • • •