#systems-programming articles

PPPLOMID Platformplomid.hashnode.dev4d ago · 13 min read

Why We’re Building PLOMID: Rethinking Data Infrastructure for Modern Applications

Modern applications increasingly work with more than one kind of data. A single system may need relational transactions, JSON documents, time-series events, vectors, graphs, and large binary objects.

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AAAjnas Ahammedcodewithajnas.hashnode.devSep 22 · 23 min read

Modern Rust in 2026: A Practical Guide to Writing Fast, Safe, and Maintainable Software

Rust has grown far beyond being an alternative to C and C++. Today, Rust is used for systems programming, backend services, command-line applications, embedded software, WebAssembly, networking, infra

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KJkedar joshikedar-joshi.hashnode.devSep 7 · 14 min read

Benchmarking a Buck-Converter Loop on Bare-Metal ARM Cortex-M7

TL;DR: I set out to understand how fast a simple control loop can generate duty-cycle values to feed to a MOSFET gate driver. I benchmarked how placement of data in memory/cache, clock frequency, and

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CRChris Royfreecodecamp.orgSep 7 · 21 min read

How a System Call Actually Works in Linux

Here's a small C program. It calls clock_gettime() three times, then writes five bytes to standard output. #include <stdio.h> #include <time.h> #include <unistd.h> int main(void) { struct timespe

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AKAyan Khanthunder-khan.hashnode.devAug 30 · 16 min read

I Built C++ Test Impact Analysis With Zero Runtime Dependencies

I entered a zero-dependency hackathon thinking the hard part would be selecting tests. It wasn't. The hard part was deciding when I had enough evidence to safely not run one. Most C++ projects have a

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SHSuyash Hirekerurtech-business-ai-insights.hashnode.devAug 23 · 8 min read

Mojo 1.0: The Programming Language That Finally Bridges Python's Ease with Systems-Level Firepower

Mojo 1.0 — The systems programming language for the AI era If you’ve spent time in Python, especially in AI, ML, or high-performance computing, you’ve probably wished for Python’s simplicity with the

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DKDeendayal Kumawatddsha441981.hashnode.devAug 21 · 10 min read

How I Built a Cache-Line Aligned Hash Table in Rust That Fits Every Bucket in 64 Bytes

Most hash tables waste memory. They store data in one place, eviction metadata in another, and chain everything together with pointers. Every lookup chases 2-3 pointers across memory, each one potenti

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HAHamdaan Alifreecodecamp.orgAug 21 · 99 min read

The Sanitizers Handbook: Memory, Initialization, and Races

Some of the most dangerous native failures are produced by programs that appear to be working correctly. The cryptographic operation returns the right ciphertext. The parser rejects malformed input. T

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AKAman Karkiamankarki.hashnode.devAug 14 · 9 min read

Building a Parallel C++ Source Parser: jthread, stop_token, and the Deadlock I Didn't See Coming

I've been building RAAG, a platform that analyzes architectural health across large codebases. It parses a repository, builds a dependency graph, computes coupling metrics, and uses that graph to scop

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ANAmogh Nivaskaramoghpn.hashnode.devAug 9 · 10 min read

Kernel Threads Implementation: Adding True Parallelism to the xv6 kernel

Full implementation on GitHub and full design on the Design Doc. The Problem Vanilla xv6 boots on 3 cores. But the way that a process is defined in xv6, it has only a single state of execution. Meani

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