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Writing an OS in Rust: Async/Await
In this post, we explore cooperative multitasking and the async/await feature of Rust. We take a detailed look at how async/await works in Rust, inclu…
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Systems & Performance
The most popular blog posts about systems & performance on Hacker News. 533 posts.
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I've been working on X11 on jailbroken iOS
A guide on how to compile the X Window System for iOS
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Apple M1 foreshadows Rise of RISC-V
The M1 is the beginning of a paradigm shift, which will benefit RISC-V microprocessors, but not the way you think.
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On Abandoning the X Server
There's been some recent discussion about whether the X server is abandonware. As the person arguably most responsible for its care and feed...
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We called it RAID because it kills bugs dead
The history of defect tracking databases in Windows.
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How Do Routers Work, Really?
An accessible overview of how exactly a router works, with code examples.
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FreeBSD is an amazing operating system
This is a small article about some of my adventures with FreeBSD and why I believe it is an amazing operating system.
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Non-Posix File Systems
Operating systems and file systems have traditionally been developed hand in hand. They impose mutual constraints on each other. Today we have two major leaders in file system semantics: Windows and POSIX . They are very close to each other when compared to the full set of possibilities. Interesting things happened…
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Expanding Fuchsia's open source model
Today we are expanding Fuchsia’s open source model to welcome contributions from the public.
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Chrome is deploying HTTP/3 and IETF QUIC
QUIC is a new networking transport protocol that combines the features of TCP, TLS, and more. HTTP/3 is the latest version of HTTP, the prot...
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Haiku R1/beta2 has been released
After almost 2 years since R1/beta1, Haiku R1/beta2 has been released. See “Release Notes” for the release notes, “Press contact”, for press inquiries … and “Get Haiku!” to skip all that and just download …
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Systemd, ten years later: a historical and technical retrospective
10 years ago, systemd was announced and swiftly rose to become one of the most persistently controversial and polarizing pieces of software in recent history, and especially in the GNU/Linux world. The quality and nature of debate has not improved in the least from the major flame wars around 2012-2014, and systemd…
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Mutexes are faster than Spinlocks
(at least on commodity desktop Linux with stock settings)
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Playing around with the Fuchsia operating system
A look at the new Fuchsia Operating System.
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A preview of x64 emulation on Windows for ARM
Hello Windows Insiders, today we are releasing Windows 10 Insider Preview Build 21277 (RS_PRERELEASE) to Windows Insiders in the Dev Channel. As mentioned here, we are giving Windows Insiders in
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What is a control system anyway?
Hopefully some signal in the noise.
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Windows Subsystem for Linux: The lost potential
If you have followed Windows 10 at all during the last few years, you know that the Windows Subsystem for Linux, or WSL for short, is the hot topic among developers. You can finally run your Linux tooling on Windows as a first class citizen, which means you no longer have to learn PowerShell or, god forbid, suffer…
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What developers should know about TCP
Why do you need to place your servers geographically close to your users? One of the reasons is to achieve lower latencies. That makes a lot of sense when you are sending short bursts of data that should be delivered as quickly as possible. But what about large files, such as videos? Surely there is a latency penalty…
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What's in a Linux Executable?
Executables have been fascinating to me ever since I discovered, as a kid, that they were just files. If you renamed a .exe to something else, you could open it in notepad! And if you renamed somet...
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A tale of webpage speed, or throwing away React
Back in 2011, I happened to get a job writing Backbone.js app. If you never did that, don’t. I was complaining about difficulties with composition left and right to [...]
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Everything I Know About SSDs
March 2019: Introduction: I started writing this rather long page for my own benefit, when I acquired a upgrade from my old 2006 Win 8 250 gb HDD PC to a Dell Optiflex 3010 with a 128 gb SSD. I never used more than 30 or 40 gb of the system drive, and I'm not a gamer or an avid film or music collector either. Not on a…
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Linux is Most Used OS in Microsoft Azure – over 50 percent of VM cores
For the last few years, Microsoft has stated during event keynotes and in other places that Linux is a rapidly growing operating system (OS) being used within Microsoft Azure. They had proudly stat…
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Xfce 4.16
Today, after 1 year and 4 months of work, we are happy to announce the release of the Xfce desktop 4.16, a new stable version that supersedes Xfce 4.14.