OpenXiangShan / XiangShan

Open-source high-performance RISC-V processor

akka / akka-core

A platform to build and run apps that are elastic, agile, and resilient. SDK, libraries, and hosted environments.

gatling / gatling

Modern Load Testing as Code

scalatra / scalatra

Tiny Scala high-performance, async web framework, inspired by Sinatra

apache / pekko

Build highly concurrent, distributed, and resilient message-driven applications using Java/Scala

apache / carbondata

High performance data store solution

locationtech / geotrellis

GeoTrellis is a geographic data processing engine for high performance applications.

LucaCanali / sparkMeasure

This repository contains the development code for sparkMeasure, an Apache Spark performance analysis and troubleshooting library. It simplifies collecting, aggregating, and exporting Spark task/stage metrics, and is designed for practical use by developers and data engineers in interactive analysis, testing, and production monitoring workflows.

plokhotnyuk / jsoniter-scala

Scala macros for compile-time generation of safe and ultra-fast JSON codecs + circe booster

SuperscalarCrash / Gemmont

(NSCSCC 2026) A high-performance out-of-order superscalar LA32R processor for AI Agents