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Corrosion
Corrosion is distributed service discovery based on Rust, SQLite, and CRDTs.
New
The latest blog posts to take off on Hacker News. 543 posts.
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Linux Capabilities Revisited
Technical blog by Stephan Berger (@malmoeb)
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SourceFS: A 2h+ Android build becomes a 15m task with a virtual filesystem
SourceFS - a high-performance virtual filesystem that builds Android 9× faster, cuts compute costs by 14×, and reduces disk usage by 83× — unlocking a new level of developer productivity.
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UA 1093
On Thursday, 16 October, Foreign Object Debris (FOD) struck the windshield of UA1093, a 737 MAX aircraft, at approximately 36,000 ft. WindBorne began investigating…
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Building a message queue with only two UNIX signals
Have you ever asked yourself what if we could replace any message broker with a very simple one using only two UNIX signals? Well, I'm not surprised if you
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The death of thread per core
Programming language async runtimes are very focused on handling asynchronous, possibly long running tasks, that might yield for a variety of reasons, that...
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Dosbian: Boot to DOSBox on Raspberry Pi
Android developer, author of Combian 64 and Dosbian
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Deterministic multithreading is hard (2024)
Hello, While a lot of time of 2.0 development has been spent on new features and quality of life, we still take care of the smaller details and technical improvements.
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Is Postgres read heavy or write heavy?
A query to find out if Postgres is read heavy or write heavy and tips for optimizing Postgres for both read and write workloads.
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K8s with 1M nodes
This is an effort to create a fully functional Kubernetes cluster with 1 million active nodes.
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When you opened a screen shot of a video in Paint, the video was playing in it
You copied the green screen.
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A kernel stack use-after-free: Exploiting Nvidia's GPU Linux drivers
This article details two bugs discovered in the NVIDIA Linux Open GPU Kernel Modules and demonstrates how they can be exploited. The bugs can be triggered by an attacker controlling a local unprivileged process. Their security implications were confirmed via a proof of concept that achieves kernel read and write…
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Reverse engineering iWork
So you don't have to.
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How to stop Linux threads cleanly
Stopping a Linux thread is a surprisingly annoying affair. In this post I present common pitfalls and some solutions -- although no truly satisfactory method exists.
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Unpacking Cloudflare Workers CPU Performance Benchmarks
Cloudflare investigated CPU performance benchmark results for Workers, uncovering and fixing issues in infrastructure, V8 garbage collection, and OpenNext optimizations. These improvements have made Cloudflare Workers faster for all customers.
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Benchmarking Postgres 17 vs. 18
Postgres 18 brings a significant improvement to read performance via async I/O and I/O worker threads. Here we compare its performance to Postgres 17.
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Environment variables are a legacy mess: Let's dive deep into them
Programming languages have rapidly evolved in recent years. But in software development, the new often meets the old, and the scaffolding that OS gives for running new processes hasn’t changed much since Unix.
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Why did containers happen?
Autumn update This is what it is looking like around here at the moment. DevOpsDays London I gave a talk at DevOpsDays London recently. It was a nice...
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Modern Linux tools
Programming notes for Unreal Engine, Houdini, Game Development, Math, & Graphics
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An initial investigation into WDDM on ReactOS
ReactOS is a free, opensource reimplementation of windows
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JIT: So you want to be faster than an interpreter on modern CPUs
Since my previous blog entry about JIT compiler for PostgreSQL, sadly not much happened due to a lack of time, but still some things were done (biggest improvement was the port to ARM64, a few optimizations, implementing more opcodes…). But I am often asking myself how to really beat the interpreter… And on “modern”…
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AdapTive-LeArning Speculator System (ATLAS): Faster LLM inference
LLM inference that gets faster as you use it. Our runtime-learning accelerator adapts continuously to your workload, delivering 500 TPS on DeepSeek-V3.1, a 4x speedup over baseline performance without manual tuning.
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Multi-Core by Default
On multi-core programming, not as a special-case technique, but as a new dimension in all code.
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Love C, hate C: Web framework memory problems
I love C. I could give you rational reasons for that. Like the fact that it works everywhere and how it goes fast. But mostly I love C because when I write C I feel an intimate connection with my computer. To me, C has soul. In fact all my personal project are written in C, like the graphics rendering engines that I'm…
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Resizeable Bar Support on the Raspberry Pi
While not an absolute requirement for modern graphics card support on Linux, Resizeable BAR support makes GPUs go faster, by allowing GPUs to throw data back and forth on the PCIe bus in chunks larger than 256 MB. In January, I opened an issue in the Raspberry Pi Linux repo, Resizable BAR support on Pi 5. Unlike most…
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Why is everything so scalable?
I’m entirely convinced that basically every developer alive today heard the adage “dress for the job you want, not the job you have” and figured that, since they always wear jeans and a t-shirt anyway, they might as well apply it to their systems’ architecture. This explains why the stack of every single company I’ve…
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I/O Multiplexing (select vs. poll vs. epoll/kqueue)
Problems and Algorithms
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Designing a Low Latency 10G Ethernet Core (2023)
View the code on GitHub