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Topics /
Systems & Performance
The most popular blog posts about systems & performance on Hacker News. 170 posts.
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NVIDIA Transitions Fully Towards Open-Source Linux GPU Kernel Modules
With the R515 driver, NVIDIA released a set of Linux GPU kernel modules in May 2022 as open source with dual GPL and MIT licensing. The initial release targeted datacenter compute GPUs…
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QNX is now free for anything non-commercial, plus there's an RPi image
QNX is changing the game for engineers and software developers, providing free access to QNX software and resources for non-commercial use.
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A good day to trie-hard: saving compute 1% at a time
Pingora handles 35M+ requests per second, so saving a few microseconds per request can translate to thousands of dollars saved on computing costs. In this post, we share how we freed up over 500 CPU cores by optimizing one function and announce trie-hard, the open source crate that we created to do it.
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SSDs have become fast, except in the cloud
A blog by and for database architects.
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Sudo for Windows
Introducing Sudo for Windows We're excited to announce the release of Sudo for Windows in Windows 11 Insider Preview Build 26052! Sudo for Windows is a
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MLow: Meta's low bitrate audio codec
At Meta, we support real-time communication (RTC) for billions of people through our apps, including WhatsApp, Instagram, and Messenger. We are working to make RTC accessible by providing a high-q…
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How Figma's databases team lived to tell the scale
Our nine month journey to horizontally shard Figma’s Postgres stack, and the key to unlocking (nearly) infinite scalability.
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Quantized Llama models with increased speed and a reduced memory footprint
As our first quantized models in this Llama category, these instruction-tuned models retain the quality and safety of the original 1B and 3B models, while achieving 2-4x speedup.
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Google Sheets ported its calculation worker from JavaScript to WasmGC
Calculations in Google Sheets were initially done on the server, then on the client in JavaScript, and now on the client in WebAssembly Garbage Collection. This case study explains how and why.
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SQLite: Wal2 Mode
"Wal2" mode is very similar to "wal" mode. To change a database to wal2 mode, use the command:
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How Discord stores trillions of messages (2023)
Engineer Bo Ingram shares insight into how Discord shoulders its traffic and provides a platform for our users to communicate.
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Ceph: A Journey to 1 TiB/s
Ceph is an open source distributed storage system designed to evolve with data.
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Jepsen: Datomic Pro 1.0.7075
Datomic is a general-purpose database intended for systems of record. In many ways, Datomic is unusual. At any instant in time, the state of the database is represented by a set of [entity, attribute, value] ( EAV ) triples, known as datoms . Each datom declares that some entity (like a person) has a particular…
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Visualizing algorithms for rate limiting
Smudge.ai is a Chrome extension that gives you ChatGPT-powered shortcuts in your right-click menu.
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Intel Processor Instability Causing Oodle Decompression Failures
RAD Game Tools' web page. RAD makes Bink Video, the Telemetry Performance Visualization System, and Oodle Data Compression - all popular video game middleware.
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More powerful Go execution traces
New features and improvements to execution traces from the last year.
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Introducing S2
Introducing S2, a serverless stream store that makes durable real-time streams feel as simple and scalable as object storage.
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Debugging memory corruption: who the hell writes "2" into my stack? (2016)
Several weeks ago we received a bug report from a customer that said their game was crashing when using IL2CPP scripting backend. QA verified the bug and assigned it to me for fixing. The project was quite big (although far from the largest ones); it took 40 minutes to build on my machine. The instructions on the bug…
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Box64 and RISC-V in 2024: What It Takes to Run the Witcher 3 on RISC-V
What It Takes to Run The Witcher 3 on RiSC-V
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Databases and why their complexity is now unnecessary
This post is not going to be about what’s wrong with individual databases. There are so many databases and so many individual API issues, operational problems, and arbitrary limitations that it wou…
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macOS 15.2 breaks the ability to copy the OS to another drive
macOS 15.2 was released a few days ago, with a surprise. A terrible, awful surprise.
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It Can Be Done (2003)
A story about quality from the development of the Multics operating system.
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Building the DirectX shader compiler better than Microsoft?
This is a story about the messy state of Microsoft’s DirectX shader compiler, and trying to wrangle it into a nicer experience for game developers. In some respects, building the DXC compiler better than how Microsoft does.
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ChromeOS will soon be developed on large portions of the Android stack
ChromeOS will soon be developed on large portions of the Android stack to bring Google AI, innovations, and features faster to users.Over the last 13 years, we’ve evolve…
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Adding 16 kb page size to Android
Android 15 has been refactored to support using 16 KB page sizes, and file systems like EROFS and F2FS have been made compatible.