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Python is Actually Portable
Gautham's Blog
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The hunt for a cluster-killer Erlang bug (2021)
A 20 minute Kafka outage brought down our entire Erlang cluster for hours. How could this happen? Follow this fascinating investigation!
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Finding the “second bug” in glibc’s condition variable
I continue to have no time for big programming projects, so here is a short blog post. Two years ago I looked into a bug in the glibc implementation of condition variables: Sometimes pthread_cond_s…
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The cult of dd (2017)
You'll often see instructions for creating and using disk images on Unix systems making use of the dd command. This is a strange program of [obscure provenance](https://en.wikipedia.org/wiki/Dd_(Unix)) that somehow, still manages to survive in the 21st century.
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I have come to bury the BIOS, not to open it [video]
Historically, proprietary systems created the need for binary machine interfaces. This extended to the deepest layers of the system, where the PC BIOS was…
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Lanai, the mystery CPU architecture in LLVM
Disclaimer: I have had access to some confidential information about some of the matter discussed in this page. However, everything written here is derived form publicly available sources, and references to these sources are also provided.
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Optimizations can have unexpectedly large effects when combined with caches
This post is about a non-obvious interaction between performance optimizations and LRU/time limited caching.
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Put an io_uring on it: Exploiting the Linux kernel
How much do you know about system calls and how they introduce security risks? We shed light on these interactions and how security teams monitor them.
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Monarch: Google’s Planet-Scale In-Memory Time Series Database
These paper reviews can be delivered weekly to your inbox , or you can subscribe to the Atom feed . As always, feel free to reach out on Twitter with feedback or suggestions!
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TypeScript as fast as Rust: TypeScript++
TL;DR: This is a proposal to create a language that sits somewhere between Typescript and Rust, and which you can incrementally adopt if you already use Typescript.
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A byte string library for Rust
bstr is a byte string library for Rust and its 1.0 version has just been released ! It provides string oriented operations on arbitrary sequences of bytes, but is most useful when those bytes are UTF-8. In other words, it provides a string type that is UTF-8 by convention , where as Rust’s built-in string types are…
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Emacs should become a Wayland compositor
The Q&A session for this talk does not have chapter markers yet. Would you like to help? See help with chapter markers for more details. You can use the vidid="wayland-qanda" if adding the markers to this wiki page, or e-mail your chapter notes to emacsconf-submit@gnu.org .
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Clip control on the Apple GPU
After a year in development, the open source “Asahi” driver for the Apple GPU is running real games. There’s more to do, but Neverball is already playable (and a lot of fun!).
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Serenity OS: Interview
How would you build an operating system? My answer is I wouldn't. First off, I don't know how. And the second thing is it seems like to large of a task. It took thousands of developers to build Windows XP. But actually, it is possible to build an operating system from scratch. My guest is doing it. Andreas Kling…
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M1 Thunderbolt ports don’t fully support USB 3.1 Gen 2
It’s limited to 5 Gb/s, giving read rates of about 400 MB/s and writes at about 430 MB/s. Fine for Time Machine backups, but bad with NVMe drives.
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Oxide on My Wrist: Hubris on PineTime was the best worst idea
In my last Oxide-related post I got Oxide’s Propolis software running and said I might try and get their sled agent up and running next. Anyways that didn’t happen. Instead I ended up reading datasheets, writing rust codegen, spending 16 gigs of ram for an hour to build docs for a crate that’s just a glorified bundle…
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Installing Every Arch Package
Using algorithms and Julia to install as many packages as possible from the Arch Linux official repositories
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Testing Distributed Systems
Curated list of resources on testing distributed systems
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Is there a maximum size for Windows clipboard data?
There is no pre-set maximum size, but that null might be coming from somewhere else.
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Userspace isn't slow, some kernel interfaces are
Discover how recent improvements to wireguard-go boost Tailscale client performance on Linux. Learn about key changes, testing methods, and results showing enhanced throughput and efficiency.
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Linux: What Can You Epoll?
On Linux what can you turn into a file descriptor and then monitor with epoll?
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Rethinking GPS: Engineering next-gen location at Uber (2018)
Uber’s Sensing, Inference, and Research team released a software upgrade for GPS on Android phones that significantly improves location accuracy in urban environments.