Yaoyuan Guo

The fastest JSON library in C

C/C++ number ↔︎ string benchmark

A collection of iOS components.

YYKit is a collection of reusable iOS building blocks for iPhone and iPad apps, covering image loading, rich text, data caching, and background processing, all written in Objective-C.

Powerful text framework for iOS to display and edit rich text.

YYText is an iOS Objective-C library that replaces Apple's UILabel and UITextView with richer text rendering, supporting per-word styling, inline images, tappable links, vertical text, and async rendering to keep the UI smooth.

High performance model framework for iOS/OSX.

Asynchronous image loading framework.

High performance cache framework for iOS.

Image framework for iOS to display/encode/decode animated WebP, APNG, GIF, and more.

A set of useful categories for Foundation and UIKit.

iOS utility classes for asynchronous rendering and display.

iOS utility class allows you to access keyboard view and track keyboard animation.

iOS utility class to manage global dispatch queue.

Show View hierarchy in 3D

Convert color between RGB,HSL,HSB,CMYK,YUV,YIQ,XYZ,xyY,Lab,Luv,LCH ...

my temporary files

Some old code...

Benchmark JSON library performance in C/C++

A microbenchmark library for C

A Piano use Soundfont (very simple demo)

My Github Pages

FFT Benchmark for iOS/OSX

iOS 5.0/5.1/6.0/6.1/7.0/7.1/8.0/8.1 Headers of All Frameworks (private and not) + SpringBoard

Performance profiling of JSON libraries