Languages
38 posts

From 800ms to 90ms: How Rust Rayon Saved My Multithreading Nightmare
A real Rust concurrency case study: replacing manual threads with Rayon’s work-stealing scheduler and getting a 9x speedup.

io_uring Guide: Building High-Performance Servers with Rust and Async IO
A friendly deep-dive into Linux io_uring async IO technology, learn how to build high-performance servers with Rust and escape syscall bottlenecks
Rust mmap Memory-Mapped I/O: Why Reading Files Can Be as Fast as Accessing Memory
A plain-English guide to Rust mmap memory-mapped I/O. Why is it 5-10x faster than traditional Rust file reading? How does zero-copy achieve Rust performance optimization? This memmap2 hands-on tutorial uses real-life analogies to help you understand this seemingly mysterious low-level technology.

Pop!_OS 24.04 is Here: The World's First Rust-Built Desktop Environment
System76 releases Pop!_OS 24.04 and COSMIC desktop environment - the first production-grade desktop environment written entirely in Rust, challenging 20 years of GTK/Qt dominance. In-depth review: performance, customization, and tiling window management

Is the Electron Era Ending? Rust GPUI Lets You Stop Compromising on Cross‑Platform
Electron made desktop cross‑platform easy; Rust GPUI makes it feel native fast. This beginner‑friendly briefing explains the core idea, the minimal runnable path, and a humane migration plan.
I Told Old Zhang His Rust Service Might Be 10x Slower - He Almost Spit Coffee in My Face
Rust service suddenly 10x slower? The problem might be hiding in Serde macros. This article walks through a real story to help you identify and fix performance issues caused by Serde serialization.

I Fired My Entire Node.js Stack — Rust Rebuilt It in 3 Weeks (The Ugly Truth)
API latency dropped from 850ms to 8ms, monthly costs from $12,000 to $900. Sounds great? The price was three months of hell and a team on the verge of collapse. This is a real backend migration story.

I Thought Rust Was Over-Engineering—Until I Saw the Production Logs
A 2 AM production incident made me rethink Rust. From 8 crashes per hour to zero crashes—this isn’t about language wars, it’s about trust.
