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React Native New Architecture in Real Production: JSI, TurboModules, and Fabric Benchmarks

React Native New Architecture in Real Production: JSI, TurboModules, and Fabric Benchmarks

What actually happens when you flip the New Architecture switch in a 100k DAU app? Concrete memory consumption numbers, bridge elimination stats, and bridging C++ to native.

3 min read
#react-native #mobile #javascript #performance
Inside the Flutter Render Pipeline: From RenderObject to 120 FPS on iOS and Android

Inside the Flutter Render Pipeline: From RenderObject to 120 FPS on iOS and Android

A deep architectural dive into Flutter's rendering pipeline. Profiling layout passes, paint boundaries, layer trees, and Impeller vs. Skia to eliminate dropped frames in complex mobile list views.

5 min read
#flutter #mobile #performance #ios #android
PostgreSQL Indexing Under Fire: B-Tree, BRIN, and Partial Indexes for 20M+ Rows

PostgreSQL Indexing Under Fire: B-Tree, BRIN, and Partial Indexes for 20M+ Rows

Stop putting standard B-Trees on every column. How swapping to BRIN and partial expression indexes saved 18 GB of RAM and 4x’d ingestion throughput on a production cluster.

3 min read
#postgresql #databases #backend #performance
Hunting Down Silent Memory Leaks in High-Throughput Node.js Microservices

Hunting Down Silent Memory Leaks in High-Throughput Node.js Microservices

A post-mortem on debugging an elusive 12 MB/hour heap leak under 4,500 req/sec load. V8 heap snapshots, weak references, closure traps, and event listener leak detection.

3 min read
#nodejs #backend #performance #debugging
Mobile Storage Showdown: Benchmarking SQLite, Realm, MMKV, and Room with 100,000 Records

Mobile Storage Showdown: Benchmarking SQLite, Realm, MMKV, and Room with 100,000 Records

We benchmarked reads, writes, transactions, and binary serialization on physical iPhones and Pixel devices across 100,000 real-world entities. Here are the raw stats.

4 min read
#mobile #sqlite #performance #databases #flutter
Cutting 420 KB of JavaScript: Practical Zero-Runtime & Island Architecture Strategies

Cutting 420 KB of JavaScript: Practical Zero-Runtime & Island Architecture Strategies

How we transitioned a bloated single-page application into an Islands Architecture. Core Web Vitals breakdown, eliminating hydration overhead, and real Lighthouse field data.

3 min read
#frontend #performance #javascript #web-vitals