Alex Chi Z

A course of building an LSM-Tree storage engine (database) in a week.

A course of learning LLM inference serving on Apple Silicon for systems engineers: build a tiny vLLM + Qwen.

RisingLight is an OLAP database system for educational purpose

No description.

Neon: Serverless Postgres. We separated storage and compute to offer autoscaling, branching, and bottomless storage.

Learn Rust dark magics by implementing an expression framework in database systems

A Vector Database Tutorial (over CMU-DB's BusTub system)

A minimal and fully-customizable CV template for Typst.

🖥️ An xv6-like operating system on RISC-V with multi-core support. Documentation available online.

🌐 One-click script to synchronize files from Canvas LMS.

💻 RISC-V Simulator of RV32I ISA. 5-stage pipeline / out-of-order execution with Tomasulo algorithm and Speculation. Support runtime visualization. Project report available.

⚡ A high-performance path tracer implemented in Rust based on "Ray Tracing in One Weekend" featuring static dispatch, multi-threaded rendering and a variety of preset scenes.

Hall of Shame

raytracer project for PPCA 2020

Mini-LSM solution checkpoint

An open-source anonymous forum frontend.

Linux kernel labs

Code for "Lessons Learned from Building a Query Optimizer" blog series

⛵ A distributed key-value store based on Raft. (WIP)

Async positioned I/O with io_uring.

Lecture notes at SJTU

💻 A 5-stage pipeline MIPS CPU design in Haskell.

💻 A 5-stage pipeline MIPS CPU implementation in Verilog.

The BusTub Relational Database Management System (Educational)

Inspired by 3Blue1Brown. Apply fourier transform to an SVG path and draw the result on canvas.

🌈 BlueSense is a long-term project for monitoring Shanghai environment data.

Alex Chi's personal site

🚆 Fine-grained analysis and visualization of Hangzhou Metro for efficient traveling in metro system. Project report, slide and presentation video included.

A Postgres extension that rewrites strings to 💩

Generate Zoom URL

BusTub web shell

YCSB in Rust (WIP)

🌲 Fully unit-tested B+ tree with basic paging implemented in C++

🌎 Chord in golang

No description.

交大学科交流群列表 (Originally made by @LuminousXLB) 项目已迁移到 @SJTU-Plus

RocksDB/LevelDB inspired key-value database in Go

🎇 Render Julia Sets in real-time with Metal API on macOS

📚 Solutions for the book "R by Example"

🌪️ An extensible task-based robot control system on STM32 embedded platforms made for SJTU RoboMaster Competition, using open-source toolchain OpenSTM32

Self-hosted Speedtest for HTML5 and more. Easy setup, examples, configurable, mobile friendly. Supports PHP, Node, Multiple servers, and more (Chinese translation for SJTU)

🎾 A robot automatically finds and fetches tennis balls on the ground. Use OpenCV on Android for computer vision. Final project for SJTU ME116 "IntroME".

Course Project of CS339 Computer Networks

a langchain binding for risinglight

Yet another boring game. No textures, no graphics, just shapes. WIP. Working on this game only when I'm boring.

A deque of O(sqrt n) complexity on access, insert and remove, with an optimization for O(log n) access based on fenwick tree.

Project 2 of SJTU CS356 Operating System Projects

Yet another boring fishing game

An agent-based model for researching game theory dynamics on matrix-like structure.

🐟🐟 An agent-based model for simulating fish distribution in North Atlantic.

🌩️ (DEPRECATED) An Online Judge. Deprecated due to low efficiency and security issues.

🌐 A protocol based on Kademlia and designed for peer-to-peer distrubuted computing

No description.

🌃 Collect climate data from embedded devices with serial connection and BLE. Part of the BlueSense project.

Key-Value Store [Practical Networked Applications in Rust]

A Rust compiler front-end for IDEs

SGLang is a fast serving framework for large language models and vision language models.

an unofficial langchain binding for turbopuffer

A high-throughput and memory-efficient inference and serving engine for LLMs

🌃 Blue Sense: Sense of Blue Sky. This is the Raspberry Pi part of Blue Sense.

A collection of handy CLI tools to convert CSV and JSON to Apache Arrow and Parquet

Packages for Typst.

The Calcite query frontend for BusTub

Empowering everyone to build reliable and efficient software.

Fast key-value DB in Go.

Sub-Second Postgres to Iceberg Mirroring

MLX: An array framework for Apple silicon

Awesome Typst Links

🌃 Collect climate data from sensors on Arduino. Part of the BlueSense Project.

A persistent key-value storage in rust.

Apache DataFusion SQL Query Engine

Neon fork of https://gitlab.com/dalibo/postgresql_anonymizer

No description.

Conway's Game of Life with Metal Computing

No description.

No description.

Give PostgreSQL ability to manually force some decisions in execution plans.

PostgresML is an AI application database. Download open source models from Huggingface, or train your own, to create and index LLM embeddings, generate text, or make online predictions using only SQL.

Blazing fast concurrent HashMap for Rust.

📚 A crowdsourced contest solution sharing platform built for online STEM test of Innovation Competition

Code for Kaggle in-class competition

🤖 Mr. Sans is a bot reporter for BlueSense. Part of the BlueSense project.

Reliable packet transmission over serial interface

Conway's Game of Life in TypeScript

🚧 WIP 🚧 Vector database plugin for Postgres, written in Rust

💎 A Lisp interpreter in Ruby

🔢 MNIST training of minimal dependency implemented in Rust. Trained with fully-connected layers.

❓ Solutions and exploitation snippets for SJTU CTF 2019

No description.

No description.

No description.

WIP langchain binding for Neon via serverless HTTP API

CMU-DB's Cascades optimizer framework

Labs on distributed transaction

No description.

Rust implemention of CUID unique IDs

Umami website

Sqllogictest parser and runner in Rust.

The Elegant Parser

Scan your Rust crate for semver violations.

Build Postgres Extensions with Rust!

(WIP) Postgres foreign data wrapper for pgx

A publication dedicated to the Rust programming language

Magical Deterministic Simulator for distributed systems in Rust.

Rust Client library for Apache Pulsar

egraphs-good website

RisingWave: the next-generation streaming database in the cloud.

Cargo subcommand to easily use LLVM source-based code coverage (-C instrument-coverage).

Rust Client for TiKV.

An elastic and reliable Serverless Data Warehouse, offers Blazing Fast Query and combines Elasticity, Simplicity, Low cost of the Cloud, built to make the Data Cloud easy

OpenTelemetry API and SDK for Rust

On-demand self-hosted AWS EC2 runner for GitHub Actions

A Rust port of Yahoo! Cloud Serving Benchmark (YCSB)

Parallel programming for everyone.

No description.

Code Unrelated Issues

The database built for IoT streaming data storage and real-time stream processing.

🏎 An online formulae browser for Homebrew

A RocksDB compatible KV storage engine with better performance

Dockerfile to generate db_bench binaries

tracetcp. Traceroute utility that uses tcp syn packets to trace network routes.

Rust implementation of Google protocol buffers

RFCs for changes to TiKV and its ecosystem

Exercise for "An Introduction to Liquid Haskell"

🖥️ DDCM = Dawn Distributed Computing Model. Word Count with DDCM.

🌪️ Chi's Advanced Hurricane Robot Runtime