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How I cut GTA Online loading times by 70%
GTA Online. Infamous for its slow loading times. Having picked up the game again to finish some of the newer heists I was shocked (/s) to discover that it still loads just as slow as the day it was re
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Systems & Performance
The most popular blog posts about systems & performance on Hacker News. 553 posts.
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GNOME has no thumbnails in the file picker and my toilets are blocked
GNOME filepicker and my toilets are broken because of culture of mediocrity.
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Architecture.md
If you maintain an open-source project in the range of 10k-200k lines of code, I strongly encourage you to add an ARCHITECTURE document next to README and CONTRIBUTING. Before going into the details of why and how, I want to emphasize that this is not another docs are good, write more docs advice. I am pretty sloppy…
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QOI: Lossless Image Compression in O(n) Time
Introducing QOI — the Quite OK Image Format . It losslessly compresses RGB and RGBA images to a similar size of PNG, while offering a 20x-50x speedup in compression and 3x-4x speedup in decompression. All single-threaded, no SIMD. It's also stupidly simple .
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Extreme HTTP Performance Tuning
This post will walk you through the performance tuning steps that I took to serve 1.2 million JSON 'API' requests per second from a 4 vCPU AWS EC2 instance.
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MIT-designed project achieves major advance toward fusion energy
For the first time, a large high-temperature superconducting electromagnet was ramped to a field strength of 20 tesla, the most powerful magnetic field of its kind ever created. The demonstration helps resolve the greatest uncertainty in the quest to build the first fusion power plant that can produce more energy than…
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Plan 9 from Bell Labs in Cyberspace
Explore Plan 9, Bell Labs' innovative operating system. Discover its impact on distributed computing, network-centric design, and modern OS development.
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Tokio Console
Tokio is a runtime for writing reliable asynchronous applications with Rust. It provides async I/O, networking, scheduling, timers, and more.
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Your CPU may have slowed down on Wednesday
The death of hardware store optimization.
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This Blog is now hosted on a GPS/LTE modem
Ethical Hacking and Cybersecurity Blog
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How Discord Stores Billions of Messages (2017)
Discover the latest news and app updates, stories, company insights, and plenty more about Discord, all in one place.
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I switched from macOS to Linux after 15 years of Apple
After using Macs for fifteen years, I switched to Linux as my main operating system and I’m enjoying it. Here’s an introduction to Linux that may help you too.
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Initial preview of GUI app support for the Windows Subsystem for Linux
A year ago at BUILD 2020 we introduced our goal to bring Linux GUI applications to the Windows Subsystem for Linux (WSL) to run Linux GUI applications. We
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The Unix Magic Poster
I understand the classic UNIX Magic poster by Gary Overacre was distributed at past USENIX conferences, and I’ve known of it for years but now in confinement, I’ve decided I want one to hang in my ...
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We saved millions in SSD costs by upgrading our filesystem
During COVID we experienced rapid growth in the amount of data we ingest. This post details some of the problems this caused us and how we solved them.
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Microsoft no longer signs Windows drivers for Process Hacker
[German]Brief information, which is already here with me since August 2021, but which I have not yet addressed in the blog. David Xanatos has pointed out to me that Microsoft is refusing to sign…
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Porting Firefox to Apple Silicon
The release of Apple Silicon based Macs at the end of last year generated a flurry of news and some surprises at the machine’s performance.
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Write libraries instead of services, where possible
For any developer with limited resources, this means a library (where viable) can provide the same functionality to the user, at a lower cost to the developer than a service.
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Improving Firefox stability on Linux
A year ago at Mozilla we started to improve Firefox stability on Linux. This effort quickly became an example of good synergies between FOSS.
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Speed of Rust vs. C
The run-time speed and memory usage of programs written in Rust should about the same as of programs written in C, but overall programming style of these languages is different enough that it's hard to generalize their speed. This is a summary of where they're the same, where C is faster, and where Rust is faster.
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A single line of code made a 24-core server slower than a laptop
Imagine you wrote a program for a pleasingly parallel problem, where each thread does its own independent piece of work, and the threads don’t need to coordi...
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Asahi Linux for Apple M1 progress report, August 2021
Porting Linux to Apple Silicon
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