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Mold: A Massively Parallel Linker

Replacing a Rust Enum with a 64-bit Word Made My Interpreter 17% Faster

Pitfalls of Benchmarking on Modern Systems

The LuaJIT NYI That Silently Poisoned an Unrelated Hot Loop

Curl Performance

A faster way to calculate the day of the week

Branchless Rust: Making a Filter 4x Faster by Removing an If

The fastest double-to-string algorithm you’ve never heard of

Faster floating point math with Rust's new API

Speeding Up (Small) Ruby Hashes

Seekable OCI: Lazy-Loading Container Images via Range-Request Indexing

There continue to be reasons for software to be slow

The Pit of Success - An interview with Rico Mariani

Profile-guided optimization in Go

CSS-in-JS Arena Bamboo, StyleX and Panda on Pixel-Identical Apps

Symmetries in boolean scans

Why BQN Wins

What happens when a GPU reads memory

Why I reimplemented LVM (with worse guarantees)

The Benchmarkpocalypse

We're not done with point clouds

The FastLanes Unified Transport Layout

Bringing Rails into the Ractor-age

Performance impact of Alignment

Qwen3.8-Flash-Next Intelligence, Performance and Price Analysis

Foundational Verification of Running-Time Bounds for Interactive Programs

The Free Lunch Is Over: A Fundamental Turn Toward Concurrency in Software (2005)

Numba in the Browser: Unlocking a New Scientific Python Stack in JupyterLite

SIMD in the 90s: Programming Intel's Pentium MMX

Optimizing memory usage in a markdown parser

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