Limbo is a work-in-progress, in-process OLTP database management system, compatible with SQLite.

GraalVM compiles Java applications into native executables that start instantly, scale fast, and use fewer compute resources 🚀

Tektite DB

Fancy stream processing made operationally mundane. This repository is a fork of the original project before the license was changed.

A bogus CPU emulator written in Rust.

Techniques and numbers for estimating system's performance from first-principles

A program written in C++ that emulates a bogus CPU

A super fast Graph Database uses GraphBLAS under the hood for its sparse adjacency matrix graph representation. Our goal is to provide the best Knowledge Graph for LLM (GraphRAG).

A minimal GPU design in Verilog to learn how GPUs work from the ground up

Template to quickstart streaming analytics using Apache Kafka for ingestion, QuestDB for time-series storage and analytics, Grafana for near real-time dashboards, and Jupyter Notebook for data science

QuestDB State Storage (QSS) Custom Component for Home Assistant to store entity states inside a QuestDB.

The book "Performance Analysis and Tuning on Modern CPU"

Fast, Simple and a cost effective tool to replicate data from Postgres to Data Warehouses, Queues and Storage

1 billion line challenge, in C

JVector: the most advanced embedded vector search engine

A command-line benchmarking tool

CMU-DB's Cascades optimizer framework

RDB file parser

1️⃣🐝🏎️ The One Billion Row Challenge -- A fun exploration of how quickly 1B rows from a text file can be aggregated with Java

Qdrant - High-performance, massive-scale Vector Database for the next generation of AI. Also available in the cloud https://cloud.qdrant.io/

LLM-powered Conversational AI experience using Vectara

QuestDB is an open source time-series database for fast ingest and SQL queries

Apache Iceberg

This is an operating system I mainly make to learn more about x86-architecture

The open source Solver AI for Java, Python and Kotlin to optimize scheduling and routing. Solve the vehicle routing problem, employee rostering, task assignment, maintenance scheduling and other pl…

Fast query over HTTP(S)/CSV for QuestDB

Jlama is a modern LLM inference engine for Java

Inference Llama 2 in one file of pure C