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GPU synchronization in Godot 4.3 is getting a major upgrade
Say goodbye to placing barriers, hello to the new acyclic graph
Topics /
Systems & Performance
The most popular blog posts about systems & performance on Hacker News. 2,560 posts.
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DragonFly BSD 5.2
DragonFly version 5.2 brings Meltdown/Spectre mitigation, significant improvements to HAMMER2, ipfw, and graphics acceleration. 5.2.1 includes a fix for CVE-2018-8897 , and 5.2.2 includes a fix for the LazyFP bug, CVE-2018-3665 .
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On Building A Stupidly Fast Graph Database
It’s pretty clear to computer science geeks that Directed Edge is supposed to be doing groovy things with graphs. In fact our recommendation engine, and some of the things that are unique about our approach to recommendations, are built on our super-fast graph database. When we went live yesterday with the latest…
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There's a mini RTOS in my language
AdaCore is the leading provider of commercial software solutions for Ada, C and C++ — helping developers build safe and secure software that matters.
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TCP Fast Open? Not so fast
As TCP becomes more important to DNS, overhead is becoming an issue.
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The Race to Seal Helium HDDs (2021)
Long thought impossible, helium has been one of the greatest breakthroughs for high-capacity HDDs. This is the story the science behind them.
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Spinning around: Please don’t – Common problems with spin locks
Embark on a journey about why you should sometimes trust your OS more than yourself.
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Sandboxing and workload isolation
Documentation and guides from the team at Fly.io.
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Rewriting the heart of our sync engine
Over the past four years, we've been working hard on rebuilding our desktop client's sync engine from scratch. The sync engine is the magic behind the Dropbox folder on your desktop computer, and it's one of the oldest and most important pieces of code at Dropbox. We're proud to announce today that we've shipped this…
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Happy new year and goodbye bzip2
We started listing xz-compressed versions of kernel archives in all our announcements back in March 2013, and the time has come to complete the switch. Effective immediately, we will no longer be providing bzip2-compressed versions for new releases of the Linux kernel and other software. Any previously released…
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Linux Kernel Tuning for C500k
Explore the Airship blog for insights on mobile marketing, cross-channel messaging, personalization, customer engagement, and CX best practices.
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Transcending Posix: The End of an Era?
In this article, we provide a holistic view of the Portable Operating System Interface (POSIX) abstractions by a systematic review of their historical evolution. We discuss some of the key factors that drove the evolution and identify the pitfalls that make them infeasible when building modern applications.
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Making 768 servers look like 1
How to make 768 distinct Postgres servers look like 1 to your applications.
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When "letting it crash" is not enough
This essay explores the connection between Erlang's process supervision, state management and durable execution.
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Building a dependable hosting stack using Hetzner’s servers
SupportBee's support ticket system enables teams to organize, prioritize and collaborate on customer support emails.
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Redshift Spectrum – Exabyte-Scale In-Place Queries of S3 Data
Now that we can launch cloud-based compute and storage resources with a couple of clicks, the challenge is to use these resources to go from raw data to actionable results as quickly and efficiently as possible. Amazon Redshift allows AWS customers to build petabyte-scale data warehouses that unify data from a variety…
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A highly efficient, real-time text-to-speech system deployed on CPUs
Text-to-speech systems across the industry typically rely on GPUs or specialized hardware to generate state-of-the-art speech in real-time production. We solved core efficiency challenges to process one second of audio in 500 milliseconds — using only CPUs.
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Next generation Unix pipe by Alex Larsson
I've been playing with an idea of how to extend the traditional unix shell pipeline. Historically shell pipelines worked by passing free-form text around. This is very flexible and easy to work with. For instance, its easy to debug or incrementally construct such a pipeline as each individual step is easily readable…
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A New RegExp Engine in SpiderMonkey
Regular expressions – commonly known as RegExps – are a powerful and heavily used tool for manipulating strings in JavaScript. This post describes how we updated the RegExp engine in ...
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There are only 12 binaries in Talos Linux
Updated October 2025 to reflect the growth in binaries from 12 to <50.
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Centrifuge: a reliable system for delivering billions of events per day
Discover Centrifuge—a system designed for high-performance, exact data delivery. Learn how it handles massive event volumes, ensuring no data loss. Join Segment's innovation.
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