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Lobsters
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A computing-focused community centered around link aggregation and discussion.
Lobsters
Deconstructing Datalog
In September 2022, after two rounds of revisions, I submitted the final version of my PhD dissertation, Deconstructing Datalog. Datalog is a logic programming language from the ’80s that augments relational algebra with recursive queries. It has both simple...
Topics: Programming
Entities: Programming
Lobsters
Write-heavy sysbench tests, a large server, modern Postgres and MySQL
This has results for modern Postgres and MySQL using write-heavy tests from sysbench and a large server. I think there are regressions in Po...
Topics: Databases
Entities: Databases
Lobsters
Simplifying Weak Reference Processing in ZGC - Inside.java
What are GC barriers and how do they relate to ahead-of-time compilation? This blog post explores the intersection of HotSpot's GCs and compilers through the lense of implementing GC-agnostic load barriers at the assembly level, and gives key insights on...
Lobsters
Point Cloud Sound for irregular shaped audio sources
In video game development, we’re used to sound coming from single positions in space, but how do we handle sound coming from an irregular sh...
Lobsters
Introducing pkgcli: A nicer command-line interface for PackageKit – Ximions Blog
For almost two decades, the PackageKit package management abstraction layer has shipped with pkcon as its command-line client. pkcon does its job, but it was always kind of a “testing” front-end for the PackageKit daemon rather than a tool designed for...
Lobsters
Arch Linux AUR Hit By Another Wave Of Now More Sophisticated Malware Attack
Just a day after Arch Linux developers believed they got their malware AUR incident under control with 1,500+ packages affected by malware, another round of of AUR malware is now being discovered
Topics: Infrastructure
Entities: Infrastructure
Lobsters
uris
Git's basic model is a wonderfully simple system of blob trees and commit chains that one can explain in 5 minutes to anyone. Further up the stack, that wonderful simplicity devolves into a mess of commands and flags developers with 20 years of git...
Lobsters
Intermediate Floating-Point Precision
Riddle me this Batman: how much precision are these calculations evaluated at? If you answered ‘double’ and ‘float’ then you score one point for youthful idealism, but zero points for correctness. The correct answer, for zero-idealism points and forty two...
Lobsters
The future of Siri, or: why private inference isn’t private enough
Yesterday Apple announced a big step towards deploying real AI in their Siri ecosystem. In most ways this is good and inevitable: Siri is one of the world's most widely-used voice agents, and it would be good if it didn't suck. The idea that Apple would...
Lobsters
Emulator Debugging: Area 5150's Lake Effect
My last few articles on bus sniffing the IBM 5150 have been building up to this one. We're going to leverage our bus sniffer and sniffer ...
Lobsters
Building an serial and VGA "everything console"
Some of our recent (and some upcoming) projects are oriented to systems with serial consoles, but it's been getting pretty old dragging arou...