Lobsters
Chasing a -O2 pessimization in antcc
Recently I was benchmarking the generated code efficiency for my C compiler antcc, and I noticed something concerning in a simple Lua benchmark:
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A computing-focused community centered around link aggregation and discussion.
Lobsters
Freeze the Controller, Defrost the Food: Uncovering Vulnerabilities in Danfoss Refrigeration Controllers
Team82 researched the attack surface of the Danfoss AK-SM 800A refrigeration controller platform and identified multiple vulnerabilities affecting the embedded web management interface. Team82 disclosed the vulnerabilities to Danfoss, which addressed them...
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500+ Billion Tokens Later: Letting AI Agents Decompile A First-Person Shooter
During the last 3 months, I spent some of my time and tokens decompiling a popular first-person shooter. The goal was not to reach a simple proof-of-concept state. Instead, we really wanted an accurate, stable and feature-complete recreation of the game....
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A slightly faster slimmer curl
Back in August I mentioned the new curl performance tests we have running. I figured it could be apt to return to this topic just to mention some of the initial outcomes. When the team gets a new set of charts, graphs and plots that visualize something,...
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DataCube: A Relational Aggregation Operator Generalizing Group-By, Cross-Tab, and Sub-Totals (1997)
Abstract: Data analysis applications typically aggregate data across many dimensions looking for anomalies or unusual patterns. The SQL aggregate functions and the GROUP BY operator produce zero-dimensional or one-dimensional aggregates. Applications need...
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Who is vfmaddrnd231pd??
vfmaddrnd231pd is a unique instruction from the FMA instruction set. Most instructions in that set have mnemonics like vfmadd231pd, but here rnd means something very specific. The Intel Software Development Manual documents it as: VFMADDRND231PD – Fused...
Topics: Programming
Entities: Programming
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A modern web app in c | Corey Prophitt
A modern web app written in c and served the old way: CGI, SQLite and a single binary. No frameworks, no containers and no regrets.
Topics: Databases
Entities: Databases
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Speeding up the Unreal editor by… not using unnecessarily secure hash methods
One good trick when trying to look for ways to optimize software is to stay away from areas that are very likely already quite well optimized, and instead focus on areas that might have been overlooked, either because they are too obscure or don't show up...
