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From macOS to FreeBSD
Personal experience with moving away from Apple's world.
Topics /
Systems & Performance
The most popular blog posts about systems & performance on Hacker News. 377 posts.
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Oxide at Home: Propolis Says Hello
So Oxide is making some cool stuff huh? Big metal boxes with lots of computer in them. Servers as they should be! Too bad I can’t afford to buy one for myself… but wait, they’re open-sourcing the software they’re writing to do it. Mom said we can have Oxide at Home!
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Cardboard: a scrollable tiling window manager
After the initial learning curve, I found that Cardboard WM help me stay focused on one task and it greatly reduced how much time I spent rearranging my windows.
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Safely writing code that isn't thread-safe
An under-appreciated Rust feature
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Why is the OpenBSD documentation so good?
In this article, I'm trying to understand what makes the OpenBSD documentation that good.
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Update Firmware of Samsung SSDs in Linux
Firmware flash Samsung SSD or NVMe directly from Linux without needing broken Samsung ISO boot environment!
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Austral: A systems language with linear types and capabilities
Introducing a new programming language.
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Linux Certificate Authority root stores have a too simple view of 'trust'
You're probably reading this page because you've attempted to access some part of my blog (Wandering Thoughts) or CSpace , the wiki thing it's part of. Unfortunately you're using a browser version that my anti-crawler precautions consider suspicious, most often because it's too old (most often this applies to versions…
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Cache Associativity
Consider a strided incrementing loop over an array of size $N=2^{21}$ with a fixed step size of 256:
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Intel Virtualization and Apple Silicon
The transition to Apple Silicon brought about many exciting things, but one of the capabilities left behind was access to the world of Intel-based virtual machines. X86_64 just isn't a trivial architecture to emulate, and it may never be feasible to do so on Apple Silicon at a useful speed as the operating systems you…
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OpenBSD folklore and share/misc/airport
OpenBSD's share/misc/airport file and a day trip to Lublin
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Using Java's Project Loom to build more reliable distributed systems
Building distributed databases is very difficult. There are lots of clever ideas you can put into a distributed database, but making the ideas work well together in a real system can be very challenging because different decompositions of the same problem can massively affect how difficult it is to solve, and bugs are…
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How Not to Support Desktop GNU+Linux, Zoom Edition
<small>Pssst! Formatting messed up? Add ".md" to the url ✨ If you're stuck using Zoom, jump on [one](https://community.zoom.com/t5/Meet...
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Curious lack of sprintf scaling
Some days ago I noticed that on a Mac, doing snprintf calls from multiple threads shows curious lack of scaling ( see tweet ). Replacing snprintf with {fmt} library can speed up the OBJ exporter in Blender 3.2 by 3-4 times . This could have been the end of the story, filed under a “eh, sprintf is bad!” drawer, but I…
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So long, home T1 line; hello, hacking the T1 router
Floodgap has had a T1 line since I moved into this house in 2011. I'm one of those weirdos who runs my own hardware and prefers to avoid ...
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ICMP, Ping, and Traceroute – What I wish I was taught (2020)
I wanted to write a post and do a bit of a deepdive into ICMP, ping and traceroute. I’ve found that having a good networking foundation has been a tremendous…
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FoundationDB: A distributed unbundled transactional key value store
This paper from Sigmod 2021 presents FoundationDB, a transactional key-value store that supports multi-key strictly serializable transacti...
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Serving a high-performance blog solely from memory, using Rust
Xe Iaso's personal website.
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Pledge() and unveil() in SerenityOS (2020)
This post describes the implementation and use of pledge() and unveil() in SerenityOS.
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How macOS manages M1 CPU cores
From the 8 cores of the original M1 chip to the M1 Ultra’s 20, this is how macOS manages threads from apps, services and other code.
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Docker on MacOS is slow and how to fix it
Note 05/01/2025: Hello there, you can find an update version of this article here, with the latest findings, improvements and new tools. This is how a Docker container feels inside a macOS environment: lost at sea, far from the coast. With this article I will try to bring this poor container safely to the coast. TL;DR…
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Why I use Jellyfin for my home media library
The blog post Streaming services lost the plot detailed how streaming services have become the thing they were made to destroy. Like cable networks and satellite companies before, they're raising rates (at a rate higher than inflation), stuffing their content libraries with filler that's not even worth the bandwidth…
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How to avoid layout shifts caused by web fonts
One of the biggest causes of layout shifts for my clients is late-loading web fonts, let's look at how to optimise them!
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Debugging C with Cosmopolitan Libc
Gautham's Blog
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Home truths about macOS
True or false? Apple supports macOS for three years. Apple’s security updates are sufficient. New versions of macOS are full of bugs. It’s safer to delay upgrading.
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