Performance Optimization
21 posts
Java's Quiet Revolution: How February 2026 Changed Everything You Thought You Knew About the JVM
February 2026 brings a quiet revolution to the Java ecosystem: JEP 531 lazy constants optimize startup performance, TornadoVM 3.0 brings Java to GPUs, and Chicory enables WebAssembly-JVM interoperability. From Open Liberty security patches to Quarkus integrating Project Leyden, Java is redefining itself for the cloud-native and AI era.
Does JavaScript Really Lose to GPU? Three Real Benchmarks That Baffled Me
Particle simulation, matrix multiplication, image processing—real performance comparisons between WebGPU and JavaScript that yield surprising results. Not all scenarios need GPU; sometimes CPU does the job better.
PostgreSQL 18 Asynchronous IO Revolution: Why This Is the Biggest Database Update in 5 Years
PostgreSQL 18’s asynchronous IO with io_uring delivers 3.4x faster sequential scans, 2.1x faster index scans. Real benchmark data, configuration guide, and migration strategy for the database performance revolution.
4000 Pages Per Second: The Rust PDF Library That's Changing the Game
oxidize-pdf: A pure-Rust PDF engine with zero C dependencies, a 5MB binary, and performance that leaves Chromium and Java stacks in the dust.
Homebrew Too Slow? Try This Rust Version, 20x Faster
ZeroBrew is a Rust-based Homebrew alternative that installs packages lightning fast. Let’s talk about why it’s so fast and how to safely try it out.
Const Generics: This Rust Feature Cut Our Code by 85%
From 8,347 lines to 1,243 lines — the rebirth of a cryptography library
I Rewrote Our Python Data Pipeline in Rust: 3 Hours to 4 Minutes, 40x Faster
A real-world case study of rewriting a Python data pipeline with Rust + DuckDB. From 3-hour daily ETL jobs to 4-minute runs, memory usage dropped from 12GB to 600MB, and server costs cut by two-thirds.
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.
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.
Evan You Announces OXC Tools: 45x Faster Than Prettier, 50-100x Faster Than ESLint
Vue.js creator Evan You unveils OXC tool suite with oxfmt 45x faster than Prettier and oxlint 50-100x faster than ESLint, revolutionizing frontend development workflow
