It is no secret that I am not a fan of logs; I’ve baited (rapala in Finnish) discussion in our work chat with things like: If you’re writing log statements, you’re doing it wrong. This is a pretty incendiary statement, … Read more
The Intel 8086 processor started the x86 architecture that is still extensively used today. The 8086 has some quirky characteristics: it is little-endian, has a parity flag, and uses explicit I/O instructions instead of just memory-mapped I/O. It has four … Read more
Based on a discussion on IRC and Mastodon: “How can I get access to the return values of my (Python-) programs functions?” And more generally, how can I trace function execution in Python, showing function parameters and return values? Of … Read more
Every few years, it seems like there’s an amazing new technology with the promise of making games look ever more realistic. Over the decades, we’ve had shaders, tessellation, shadow mapping, ray tracing — and now there’s a new kid on … Read more
PagerDuty went off very early in the morning, and our hero cursed his bad luck and received the phone call. He made PagerDuty repeat the message twice, but couldn’t understand the message. He pressed the number to acknowledge the incident. … Read more
In short, retsnoop is a BPF-based tool for non-intrusive mass-tracing of Linux kernel internals. Retsnoop‘s official summary gives a pretty good overview of why it exists in the first place, so I’ll quote it in full: Retsnoop’s main goal is … Read more
A few months back, there was a post on Reddit (link), which described a game that used an open source clone of Notepad to handle all its input and rendering. While reading about it, I had the thought that it … Read more
Modern browsers are some of the most complicated programs ever written. For example, the main Firefox library on my system is over 130Mbytes. Doing 130MB of IO poorly can be quite a performance hit, even with SSDs! :). Few people … Read more
GitHub – TheScienceElf/TI-84-CE-Raytracing: A ray tracing engine for the Ti84 CE written in C++ and ez80 assembly. {{ message }} This commit does not belong to any branch on this repository, and may belong to a fork outside of the … Read more
GitHub – spcask/pov-ray-tracing: Ray tracing 25 scenes in 25 days with POV-Ray {{ message }} You can’t perform that action at this time. You signed in with another tab or window. Reload to refresh your session. You signed out in … Read more