Why Windows IPCs Fail in Harsh Telemetry Stations & How RTOS Embedded Dataloggers Solve It
TL;DR for IIoT Architects & System Integrators: Deploying consumer Mini PCs or fanless Windows Industrial PCs (IPCs) in unmanned environmental t…
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From Scratch to C: My First 3 Weeks Inside Harvard’s CS50
When I attended the opening lectures of CS50x (Harvard's flagship Introduction to Computer Science course), Professor David J. Malan gave an upfront…
Free-Up-The-Space (Part-3)
This is Part 3 of my series on memory allocation. I kept having this recurring feeling that I did not add a function to free up the memory after use…
fzgrep: A zero-dependency, OpenMP-parallelized fuzzy line matcher in C
I built fzgrep , a lightweight, OpenMP-parallelized fuzzy line matcher written in pure C with zero external runtime dependencies. The Problem In sta…
Pointers Aren't Arrows. How C and C++ Actually Talk to Hardware.
Ask any software engineer to draw a pointer on a whiteboard. Within three seconds, they will sketch two boxes and a little curved arrow pointing bet…
From Access Log to Kernel Drop: Building a Single-Process WAF Ban Pipeline in C
In self-hosted Linux infrastructure, bridging L7 application security with L3/L4 network enforcement traditionally requires stitching together multi…
The Phantom That Wasn't There: How Unreliable grep Made Us Chase Ghosts
One of the hardest stages in developing a documentation generator is alignment with legacy tools. When you migrate from an old, decades-proven propr…
Need Space? Hold My Page: The OS-to-Program Memory Boundary
Introduction Before learning anything else, I believe we have to understand memory management. As I kept allocating dynamic memory in my programs, I…
Building NexisK: A Technical Deep Dive into My i386 Kernel
Building NexisK: Inside My i386 Kernel, Custom Bootloader and Memory Management Building an operating system kernel from scratch is not primarily ab…
# Why I’m Embracing 21 Segfaults a Day at 17
Today, I hit 21 segmentation faults in C. Good day guys, my name is Marcel and I’m 17, living in Nigeria, and getting ready to study Computer Engine…
I spent months building an exact incremental-computation library in C. I finally put the reproducible benchmarks on GitHub.
I’ve been working on a performance project called HKD Kernel. The premise is that a lot of large computations repeat work unnecessarily. If only a t…
Porting Intel SSE Intrinsics to ARM NEON in a Real C Project
I recently wanted to see what actually happens when an existing C project containing Intel SSE intrinsics is ported to ARM64. The usual example is s…
RISC-V 32-bit: What does GCC do? (Part 1)
1. Introduction and Problem Statement A good way to learn what a compiler really does when transforming C source code into a binary is to disassembl…
QH256 in C — A Deterministic 256-Bit State Structure for K501-AIONARC
QH256 in C — A Deterministic 256-Bit State Structure for K501-AIONARC A small, deterministic C reference implementation of QH256 for the K501-AIONAR…
8051 What does SDCC do part 3 ?
1. Introduction and Problem Statement A good way to learn what a compiler really does when transforming a C source code into a binary is to disassem…
Punk: a MVC framework
Every web framework does a certain amount of thinking on every request. It looks at the path and decides which route matched. It works out which cha…
Secure Your Health Data: Mastering Privacy-Preserving Inference with Intel SGX and Gramine 🛡️💊
Let’s be honest: the cloud is just "someone else’s computer." When it comes to sensitive health data—think genomic sequences, heart rate patterns, o…
Demystifying The Lexer
The Pipeline Behind compiling software can be challenging to grasp... I'll try to break it down as much as i can First of all the full pipeline look…
I compile C to a 468-byte ROM that runs identically on x86 and ARM
I run a mesh of agents on old phones. They check invariants — is a watchdog's lease longer than twice its producer's cadence? Is the battery in its…
Ternary Semantic Brain Core — Zero Hard-Coding, Language-Independent Meaning Engine
Ternary Semantic Brain Core — Zero Hard-Coding, Language-Independent Meaning Engine I built a meaning-learning engine that works without LLMs, embed…
Why the Hell Are There So Many Layers? Breaking Down the 4 Steps of C Compilation
Notes: Prototype : a line that promises to a compiler that a certain function exists somewhere in the server or harddisk or files so it doesn't thro…
From one blocking accept() to epoll: a C TCP server up the I/O ladder, measured
I connected one client to a blocking TCP server and held the socket open without sending a single byte. Then I connected a second client and sent it…
Implementing Bins - Phase 7 Mini Malloc
Before starting with phase 7, I would like to share this piece of knowlegde I gained that helped me connect with my my mini malloc project better -…
Pointers and Tuning and Loops! Oh My!
Introduction While all code should be efficient, code for library-like components, especially involving loops, should be as efficient as possible si…
teamOS Bare Metal x86 Kernel
I am building an independent hobby kernel from scratch using C and NASM assembly. The project is built to run entirely inside a web browser tab usin…
A fast, zero-copy Transit-format reader and writer written in C
What is Transit? Transit is a format and a set of libraries for conveying values between applications written in different languages. It is layered…
Arc v0.0.1-alpha - A Lightweight C-Based Programming Language
We are excited to announce the first alpha release of Arc, a lightweight, C-based programming language and interpreter designed for simplicity, perf…
Stripping away the layers of abstractions: How does a filesystem work?
Modern operating system filesystems (like ext4 or NTFS) are intimidating to look at. If you dive into their source code, you're immediately drowned…
Why Bitcoin Core RPC is Too Slow for High-Frequency Trading (And How to Fix It)
If you are building algorithmic execution models for Bitcoin, you already know the pain of latency. The moment you rely on polling a standard Bitcoi…
Embed mruby as a Single Binary That Runs Everywhere
I've been working on RapidForge a self hosted platform that turns scripts into webhooks, pages and scheduled jobs. RapidForge itself ships as a sing…