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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
Topics /
Systems & Performance
The most popular blog posts about systems & performance on Hacker News. 6,861 posts.
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Nvidia releases open-source GPU kernel modules
The first open-source release of GPU kernel modules for the Linux community helps improve NVIDIA GPU driver quality and security.
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The secret inside One Million Checkboxes
Teens wrote me a secret. I found them.
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Reading privileged memory with a side-channel
Posted by Jann Horn, Project ZeroWe have discovered that CPU data cache timing can be abused to e...
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How Firefox Got Fast Again
Over the past seven months, we’ve been rapidly replacing major parts of the engine, introducing Rust and parts of Servo to Firefox. Plus, we’ve had a browser performance strike force ...
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Ubuntu on Windows
Update: Here's how to get started using Ubuntu on Windows See also Scott Hanselman's blog here I'm in San Francisco this week, attendin...
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macOS command-line tools you might not know about
A comprehensive reference for advanced command-line utilities that provide unique macOS functionality.
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MacOS Catalina: Slow by Design?
In episode 379 of ATP both Marco Arment and John Siracusa described noticeable delays and stalls after upgrading to macOS 10.15.
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I ported Mac OS X to the Nintendo Wii
Mac OS X 10.0 (Cheetah) running natively on the Nintendo Wii
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The Cloud Computer
Announcing the world's first commercial cloud computer.
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Pi 1.0
Today we are shipping Pi 1.0, a hardened, minimal, extensible agent harness, alongside Pi Durable, a new experimental substrate for long-running agentic applications.
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WTF Ubuntu?
In case you missed it: CVE-2026-98432 is a critical (CVSS 9.8) bug in the Linux kernel's TCP code. It's been there since 2016, so virtually every Linux server on the planet has it, and it can be hit remotely. Anthropic says it built a working exploit that gets root on a server. A total takeover.
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The Windows Subsystem for Linux is now open source
Today we’re very excited to announce the open-source release of the Windows Subsystem for Linux. This is the result of a multiyear effort to prepare for this, and a great closure to the first ever issue raised on the Microsoft/WSL repo:
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Why Discord is switching from Go to Rust
Discover the latest news and app updates, stories, company insights, and plenty more about Discord, all in one place.
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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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Cloudflare outage on November 18, 2025 post mortem
Cloudflare suffered a service outage on November 18, 2025. The outage was triggered by a bug in generation logic for a Bot Management feature file causing many Cloudflare services to be affected.
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Creepy Crawlies
You've probably heard me complain about the "AI crawlers" before, but now I actually have some hard numbers I can put up to show their im...
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How a 20 year old bug in GTA San Andreas surfaced in Windows 11 24H2
After over two decades, players are now forbidden from flying a seaplane, all thanks to undefined code behavior.
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Memory Allocation
A visual introduction to memory allocation.
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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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Zenbleed
If you remove the first word from the string "hello world" , what should the result be? This is the story of how we discovered that the answer could be your root password!
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The web sucks if you have a slow connection
A couple years ago, I took a road trip from Wisconsin to Washington and mostly stayed in rural hotels on the way. I expected the internet in rural areas too sparse to have cable internet to be slow, but I was still surprised that a large fraction of the web was inaccessible. Some blogs with lightweight styling were…
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Introducing the Keybase filesystem
Browse technical documentation on the public-key cryptography that powers Keybase. Learn how Keybase Chats, Files, Teams, and Git are secured.
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Inside the longest Atlassian outage
Hundreds of companies have no access to JIRA, Confluence and Atlassian Cloud. What can engineering teams learn from the poor handling of this outage?