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The most popular blog posts about systems & performance on Hacker News. 582 posts.
This is Part 1 of a series of posts. Part 2 is available here: Building a baseline JIT for Lua automatically It is well-known that writing a good VM for a dynamic language is never an easy job. High
TL;DR; We are changing std::sort in LLVM’s libcxx. That’s a long story of what it took us to get there and all possible consequences, bugs you might encounter with examples from open so…
Poorly behaving web pages and apps are no longer capable of crashing the browser by exhausting memory, thanks to a simple trick.
The computers are fast but you don't know it: Speeding up your Python functions with Cython & C++
This article is not intended to convince you to abandon your current antivirus solutions. In this post I would like to share my observations and ways to improve the effectiveness of Defender. You don’
Learn how Discord optimizes its platform to respond to the high frequency of queries for all types of content and data as quickly as possible.
If your company uses Kubernetes, you are likely expending energy on something that doesn't take you towards your mission.
An interview where we talk about how we use embedded Rust in our coming car projects.
As of today, I've been using the same Arch Linux installation for ten years on my main computer. I don't have much to say, but I'm writing this because my experience doesn't match the common notion that Arch Linux is unstable. 1
Harry Marr — Member of Technical Staff at Anthropic. Co-founded Dependabot, previously at GitHub, Monzo, and GoCardless.
In this blog we'll discuss how we manage Cloudflare IP addresses used to retrieve the data from the Internet, how our egress network design has evolved, how we optimized it for best use of available IP space and introduce our soft-anycast technology
In this article, the author explores the concept of containers and how they are essentially chrooted processes. They walk through the process of bu...
As of today, the Wasmtime WebAssembly runtime is now at 1.0! This means that all of us in the Bytecode Alliance agree that it is fully ready to use in production.
I’ve been an SELinux complexity apologist for years. Lately, I’ve concluded that every implementation with difficult-to-configure policies is just unmanageable.
Blasphemy? Probably! But still pretty awesome!
We're sharing open source code that can sort arrays of numbers about ten times as fast as the C++ std::sort
In the ELF format there are two ways of providing a hash table of symbols. DT_HASH and DT_GNU_HASH . The first one is part of SYSV generic ABI and is well documented and marked as mandatory. DT_GNU_HASH is a newer, smaller, and faster replacement that is not documented , implemented in a few places (Glibc, GNU ld…
Yes, you read that right... for $8 you can run linux on a RISC-V computer. And not just a stripped down kernel without an MMU. No, t...
More about this in the article I wrote to accompany my talk at EuroBSDCon 2024 . Please note: This article was (unexpectedly) quite popular and many...
The leap second concept was first introduced in 1972 by the International Earth Rotation and Reference Systems Service (IERS) in an attempt to periodically update Coordinated Universal Time (UTC) d…
Dmitry.GR: My business card runs Linux (and Ultrix), yours can too. Details, kits, etc...
Well hello friends! Today we celebrate the 4th birthday of SerenityOS, counting from the first commit to the repository, on October 10th, 2018.
Preface Hello friends! It’s been a while. I’ve been finding it very hard to write while holding up a full-time job, and I’ve also been dealing with some very...
Postgres 15 beta 2 was released recently! I enjoy Beta season... reviewing and testing new features is a fun diversion from daily tasks. This post takes a look at an improvement to UNIQUE constraints on columns with NULL values . While the nuances of unique constraints are not as flashy as making sorts faster (that's…
The switch to WebAssembly increases stability, speed.
It’s quite popular to bash the Windows Registry in non-technical or lightly technical terms. I’ve just spent a couple of weeks reverse engineering the binary format completely for our h…
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