Topic

#Performance

12 articles on Performance — news, releases, guides and analysis from the SourceFeed engine.

Article 2d ago 7

Ditching std::unordered_map for Cache-Friendly Hopscotch Hashing

Why Tessil's hopscotch-map library beats standard C++ hash tables in memory efficiency and raw lookup speed.

Lenn Voss

Architecting the Next.js App Router Migration for Speed

How transitioning from imperative client-side fetching to a hybrid server-client model slashes latency and bundle sizes.

Article · 6d ago3

Profile and Fix a Slow Python Service Using py-spy Flame Graphs

Attach py-spy to a live process with zero code changes, read the flame graph to pinpoint an O(n²) bottleneck, and verify a 1000x+ speedup — all without restarting your service.

Tutorial · 1w ago0

Beyond Epoll: Is io_uring Ready for Production?

A technical breakdown of Linux event loops, comparing readiness-based epoll with completion-based io_uring for high-performance networking.

Article · 1w ago0

The Context Trap: Why Headroom’s Local Compression Layer is Essential for AI Agents

Infinite context windows are a costly illusion; local, content-aware compression is the missing optimization layer for production AI.

Article · 1w ago2

Java’s Identity Crisis Ends: Project Valhalla Lands in JDK 28

Value classes finally arrive as a preview in JDK 28, bringing bare-metal performance to Java's object-oriented abstractions.

Article · 1w ago4

Demystifying Integer Quantization for Neural Network Inference

A low-level look at the mathematics and hardware mechanics that shrink massive models without destroying accuracy.

Article · 1w ago0

TypeScript 7.0 RC Debuts Go-Based Compiler with 10x Speedups

The Microsoft team ports the compiler to Go, introducing shared-memory parallelism while maintaining structural parity with version 6.0.

Release · 1w ago0

Writing a C++20 Path Tracer From Scratch Without AI

A dependency-free renderer showcases the power of modern C++20, custom acceleration structures, and classic graphics engineering.

Article · 2w ago4

Migrating TrueType Hinting to Swift: How Apple Beat C

Apple's rewrite of its legacy TrueType interpreter shows how modern Swift features like non-copyable types can outperform C.

Article · 2w ago4

The Unreasonable Power of Plain HTML

Why building with basic semantic markup remains the ultimate strategy for resilient, accessible, and universally compatible web applications.

Article · 2w ago0

How Linear Gets to Sub-10ms UI Updates: The Architecture Behind the Speed

Linear's legendary snappiness isn't magic — it's a deliberate set of architectural decisions. Here's how they work, and which patterns you can steal today.

Article · 3w ago0