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Hi, I'm Chris!

I'm excited about everything high performance & low level programming. I work on Video Codecs, Optimization, Game Engines, Data Structures, R&D stuff, Profilers/Analyzers/Compilers/Debuggers, Rendering, Binary-Obfuscation/DRM/Reverse-Engineering-Protection, ...


Here are my favourite personal repositories & projects:

πŸ§ͺ optim8.org - Online Performance Analysis Platform based on some of my other projects (zydec, execution-flow, UI, backend).

πŸš€ hypersonic-rle-kit - The fastest (possibly best) Run-Length-Encodings on the Planet. (Benchmarks)

🏎️ hypersonic-rANS - Some of the fastest decoding range-based Asymetric Numeral Systems (rANS) codecs. (still WIP, Benchmarks)

#️⃣ mediaLib - My main general-purpose library for larger Desktop & Graphics projects. (C++/OpenGL)

πŸŒ‹ render-portfolio - Graphics & 3D Technology Portfolio/Blog. Terrain Erosion Simulation, Texture Atlases, and everything in between.

πŸ“ˆ silverpp - A lightweight user-mode profiler for Windows x64 with disassembler & instruction-level decompiler for hot code-paths.

πŸ₯· llscript - A custom low-level programming language (compiler, debugger, byte-code interpreter) with shellcode-injectable runtime.

πŸ–ΌοΈ limg - An experimental lossy image codec with a bunch of cool algorithmic & SIMD optimizations.

🩺 execution-flow - A static CPU performance analysis tool, that visualizes per-instruction resource utilization (based on llvm).

🧡 sformat - An easily-integrable, extendable, typesafe, UTF-8 compliant, non-copyleft string formatter for C++17.

πŸ”’ ook - A simple & fast dynamically recursive Sodoku Solver. (Not SIMD, but still cool!)

πŸ•ΈοΈ LamestWebserver - A neat Web-Server/Web-App/Web-UI framework I wrote in Uni and is incredibly easy to use.

Christoph Stiller's Projects

admin icon admin

Runs a console command as administrator - just like sudo on linux

blah icon blah

A weird programming language

codeless icon codeless

A tiny programming language that executes 0 byte files.

execution-flow icon execution-flow

A CPU-performance analysis tool based on LLVM, retrieving simulated per-instruction resource utilization over multiple iterations

ffmpeg-frames icon ffmpeg-frames

A tool to transcode single channel 3D YUV420 video to slap using ffmpeg & slapcodec

findpaths icon findpaths

Recursive Direction Flood Fill based Path Finder

fpng icon fpng

Super fast C++ .PNG writer/reader

hypersonic-rans icon hypersonic-rans

Some of the fastest decoding range-based Asymetric Numeral Systems (rANS) codecs for x64

lemontree icon lemontree

A small telemetry collection and evaluation framework for C/C++

limg icon limg

An experimental image codec based on linear factor decomposition

llscript icon llscript

Custom Language intended for Shellcode Injection and Low-Level / Embedded Scenarios

llvm-project icon llvm-project

The LLVM Project is a collection of modular and reusable compiler and toolchain technologies. Note: the repository does not accept github pull requests at this moment. Please submit your patches at http://reviews.llvm.org.

medialib icon medialib

A general purpose C/C++ library for Windows x64.

ook icon ook

A simple, fast, dynamically recursive Sudoku Solver

optim8-web icon optim8-web

Website for optim8 performance analysis platform

rans_opencl icon rans_opencl

Basic OpenCL decoder for rans_static_32x16 (encoded by https://github.com/jkbonfield/rans_static)

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