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Awk As A Major Systems Programming Language, Revisited (2018)
AWK As A Major Systems Programming Language — Revisited
Topics /
Systems & Performance
The most popular blog posts about systems & performance on Hacker News. 6,942 posts.
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An Introduction to PipeWire
This blog post is the first part of a series of 3 articles related to the PipeWire project and its usage in embedded Linux systems.
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Distri: 20x faster initramfs (initrd) from scratch
In case you are not yet familiar with why an initramfs (or initrd, or initial ramdisk) is typically used when starting Linux, let me quote the wikipedia definition: “[…] initrd is a scheme for loading a temporary root file system into memory, which may be used as part of the Linux startup process […] to make…
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Debunking Zswap and Zram Myths
zswap and zram are fundamentally different approaches with different philosophies. If in doubt, use zswap.
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Triton: DirectX 11 Driver for QEMU
In the prequel, we introduced Neptune, a Direct3D protocol forwarding layer for VirtIO. Neptune allowed us to serialize Direct3D API calls across the hypervisor boundary and this allowed us to run Wine games on a Linux guest with a Linux host faster than with DXVK directly in the guest. Admittedly, the payoff there…
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Making GitLab faster
In GitLab 8.5 we shipped numerous performance improvements. In this article we'll take a look at some of these changes and the process involved in finding and resolving these issues.
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A new storage engine for PostgreSQL to provide better control over bloat
In the past few years, PostgreSQL has advanced a lot in terms of features, performance, and scalability for many-core systems. However, o...
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Correctness – A paradigm for sustainable software development
Edit (2019-04-09): A quick qualifier for future readers. This post talks about correctness in the sense of correct code and not formal proofs or formal specifications. I refer to correctness in the sense of avoidable runtime errors.
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Can You Afford It? Real-World Web Performance Budgets
Performance budgets are an essential but under-appreciated part of product success and team health. Most partners we work with are not aware of the real-world operating environment and make inappropriate technology choices as a result. We set a time budget of less than 5 seconds first-load Time-to-Interactive and less…
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I translated a simple C program to x86_64 and it was slower
A blog about computing and other fun.
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How to take back control of /etc/resolv.conf on Linux (2018)
Take manual control of your Linux system’s DNS resolution and keep programs from interfering with and overwriting your resolv.conf file.
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Oxide at Home: Propolis Says Hello
So Oxide is making some cool stuff huh? Big metal boxes with lots of computer in them. Servers as they should be! Too bad I can’t afford to buy one for myself… but wait, they’re open-sourcing the software they’re writing to do it. Mom said we can have Oxide at Home!
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Sonoma's log gets briefer and more secretive
In Sonoma, some healthy Macs are unable to retain complete logs for 24 hours because of the frequency of entries, and even when privacy is removed, some content is censored.
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Introducing Amazon EC2 P3 Instances
Discover more about what's new at AWS with Introducing Amazon EC2 P3 Instances
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What has to happen with Unix virtual memory when you have no swap space
You're probably reading this page because you've attempted to access some part of my blog (Wandering Thoughts) or CSpace , the wiki thing it's part of. Unfortunately you're using a browser version that my anti-crawler precautions consider suspicious, most often because it's too old (most often this applies to versions…
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Raft Is So Fetch: The Raft Consensus Algorithm Explained Through Mean Girls
Understanding the Raft Consensus Algorithm can be tough. In honor of "Mean Girls" day (October 3), we present Raft as explained through the movie "Mean Girls."
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Cardboard: a scrollable tiling window manager
After the initial learning curve, I found that Cardboard WM help me stay focused on one task and it greatly reduced how much time I spent rearranging my windows.
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Logs, Tails, Long Tails (2013)
Learn the shape of the logs of probability distributions, and you’ll be able to guess how they behave.
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The QOI File Format Specification
Last month I announced a toy project called 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.
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Absolute Scale Corrupts Absolutely
The Internet has gotten too big. Growing up, I, like many computery people of my generation, was an idealist. I believed that better, faste...
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Linux Capabilities Revisited
Technical blog by Stephan Berger (@malmoeb)
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Taking a Look at Compression Algorithms
Dissecting various compression algorithms.
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Wayland on OpenBSD
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GPU Video acceleration in the Windows Subsystem for Linux now available
Introduction In DirectX ❤ Linux - DirectX Developer Blog we wrote about DXCore & D3D12 support on WSLg and described OpenGL & OpenCL support by
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What we learned after a year on Kubernetes
It's been one year since we moved GitLab.com to Kubernetes. We unpack the challenges and learnings from this major migration.