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The state of SIMD in Rust in 2025
If you’re already familiar with SIMD, the table is all you need. And if you’re not, you will understand the table by the end of the…
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The latest blog posts to take off on Hacker News. 543 posts.
92
A P2P Vision for QUIC (2024)
Using QUIC to achieve everything needed for NAT traversal, from address discovery to proxying UDP
93
An eBPF loophole: Using XDP for egress traffic
XDP only works for ingress. We found a loophole that lets it work for egress. Here's how we did the impossible.
94
A friendly tour of process memory on Linux
A deep dive into how Linux manages process memory, page tables, and virtual address spaces
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Today I Learned: Binfmt_misc
Technical blog by Stephan Berger (@malmoeb)
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State of Terminal Emulators in 2025: The Errant Champions
Software Engineer
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Absurd Workflows: Durable Execution with Just Postgres
Durable execution with just postgres.
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Reproducing the AWS Outage Race Condition with a Model Checker
Welcome to Waqas' blog
99
Using FreeBSD to make self-hosting fun again
Feeling like a kid in a candy store, once more
100
How often does Python allocate?
The answer is "very often"
101
From 400 Mbps to 1.7 Gbps: A WiFi 7 Debugging Journey
Upgraded to WiFi 7 expecting 1.7 Gbps speeds. Got 400 Mbps instead. Here's what was actually wrong and how I fixed it.
102
Futurelock: A subtle risk in async Rust
This RFD describes futurelock : a type of deadlock where a resource owned by Future A is required for another Future B to proceed, while the Task responsible for both Futures is no longer polling A . Futurelock is a particularly subtle risk in writing asynchronous Rust.
103
Perfetto: Swiss army knife for Linux client tracing
How Linux kernel, systems and embedded developers can use Perfetto for debugging performance issues.
104
How We Found 7 TiB of Memory Just Sitting Around
How we saved 7 TiB of memory across our Kubernetes clusters by disabling namespace listwatching in Vector, reducing daemonset overhead and API server load at scale.
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The Green Tea Garbage Collector
Go 1.25 includes a new experimental garbage collector, Green Tea.
107
Kafka is Fast – I'll use Postgres
Why you should just use Postgres instead of Kafka for small-scale message queuing and pub-sub patterns. Benchmarks and practical tests included.
108
Zig's New Async I/O
In celebration of the std.Io introduction patchset landing today , here is the text version of a short, interactive demo I gave at Zigtoberfest 2025 .
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When O3 is 2x slower than O2
An deep dive into a pathological case.
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Quantifying pass-by-value overhead
Owen's personal website and portfolio
111
Linux VM without VM software – User Mode Linux
Quick demonstration of using User Mode Linux (UML) to run a Linux VM inside Linux's userspace, without additional VM software or even root permissions
112
Creating an all-weather driver
Life doesn't freeze when winter comes—if anything, that's when riders need reliable transportation most, when being exposed to the elements becomes less appealing. Today, the Waymo Driver successfully navigates rain, fog, sandstorms, and freezing temperatures. As we expand to more cities across the U.S. and globally…
113
The Linux Boot Process: From Power Button to Kernel
A detailed walkthrough of the Linux boot process from power button to kernel initialization
114
An Update on TinyKVM
Hey all. TinyKVM was open-sourced this february and since then I’ve been working on some things that are very much outside of the scope of…
115
The Journey Before main()
A while back, I worked on a RISC-V-based userspace simulator for fun. In doing so, taught myself a lot more than I wanted to know about what happens in-between when the Kernel is asked to run a program, and when the first line of our program’s main function is actually executed. Here’s a summary of that rabbit hole.
116
Making a micro Linux distro (2023)
A guide on building a simple Linux distribution from scratch. Detailed guide on building the kernel and the init process. Finally, a little distribution is built with u-root that is capable of connecting to the Internet.
117
Carmack on Operating Systems (1997)
I have gotten a significant amount of response on the Quake 2 extension mechanism. I do read everything that comes my way (I can't respond to all of it, though), and I have learned a few things from the mail.
118
A sharded DuckDB on 63 nodes runs 1T row aggregation challenge in 5 sec
What happens when you give a distributed SQL engine a trillion-row dataset? GizmoEdge crushed the Coiled challenge with a 1,000-worker cluster on Azure.
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How memory maps (mmap) deliver faster file access in Go
Learn how memory maps (mmap) accelerate file I/O, reduce latency, and improve app performance in Unix and Go with real-world benchmarks.
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/dev/null is an ACID compliant database
/dev/null is web scale