performance-optimization

An app performance monitor(APM) , like "Android Studio profiler", you can easily monitor the performance of your app real time in browser

Up to date Minestom fork caring about community, code quality & stability

Sub-millisecond viral sequence search over NCBI's 552-megabase reference database. Zero-dependency Java 21: k-mer index + mask-free SIMD Smith-Waterman, 68,000x faster than brute force.

SLAM! - Concert Seat Reservation System

Multithreading, Concurrency & Parallel programming in Java, with strong emphasis on high performance.

Java agent that allows to modify Minecraft client/server thread pool size

A Minecraft plugin that prevents server crashes and lag caused by TNT chain explosions. Features crash prevention, manual explosion support and Ender Dragon compatibility. Includes optimization tips for TNT handling and server performance.

⚡ DeskHub emulator v1.0.9: Next-Gen PC gaming on Android (GameHub ReVanced mod). Powered by Rust native Vulkan 1.3/1.4 engine, Direct Input uinput, AAudio lock-free audio, Zstd VFS, DXVK Async, and automated CI/CD builds.

OLG | A rendering framework originally designed within NekoyaHouse/Epsilon for Minecraft Java Edition 26.1 and above. We have split it out and maintained it further to facilitate the development of EpsilonBC and allow other mods to rely on OpenLumin for rendering.

A Minecraft plugin to prevent rapid lever toggling, reducing lag and preventing exploits. Highly configurable and compatible with AntiRedstoneClock-Remastered.

The List<Boolean> we deserve

SustainableWasteManagementAPI is a Spring Boot RESTful API that helps manage waste efficiently. It allows users to handle waste categories, recycling tips, and disposal guidelines, promoting eco-friendly practices for a cleaner planet.

Java port of an Open Source 3D occlusion culling engine

Re-engineering a fruit store application with optimized asynchronous logic and robust CRUD operations.

smartbuf-springcloud is a spring-cloud serialization plugin based on smartbuf with better performance, it could coexist with json and seamleassly switch.

Real-time payment processing platform with async fraud detection pipeline: rule-based scoring, JGraphT graph anomaly detection (circular flow, hub signals, cluster analysis), and Python ML microservice. Bounded async queue, WebSocket alerts, JWT auth. JMH-benchmarked. Java 21 · Spring Boot 3 · Python FastAPI · Micrometer · Docker · PostgreSQL.

High-performance Java Spring Boot security audit engine featuring TCP/UDP port scanning, Ping, DNS & TLS latency analysis, weighted security scoring, REST APIs, and MongoDB reporting.

Spring Boot demo comparing JPA lazy loading (N+1 problem) vs EntityGraph optimization. Shows performance difference between 11 queries vs 1 query for Books-Authors many-to-many relationship. Includes query counting, tests, and metrics.

Central Limit Order Book (CLOB) matching engine with price-time priority, performance benchmarking, market simulation, and REST API. Java-based HFT system for quantitative finance.