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1brc

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

abipage

An easy to setup webpage, helping the creation of a german pupils "Abizeitung"

api-change-detection

Find changes in a (OpenJDK) API by analyzing test cases with AI

approxflow

Approximate QIF for C programs

asgct2-demo

Demo repository for JEP Candidate 435

asgct2-tester

Test code for modified asgct2 async-profiler and JDK

asgct_bottom

An Agent that checks the bottom-most frame returned by AsyncGetCallTrace is correct (using GST), thereby checking that ASGCT does not abort the stack walking too early.

asgct_perf_test

An agent that calls AsyncGetCallTrace in a loop on all threads and reports the time it took for the actual call.

asuroflash

asuroflash for linux, without QT dependencies

async-profiler

Sampling CPU and HEAP profiler for Java featuring AsyncGetCallTrace + perf_events

audio_classifier

Classify audio samples and remove body noises

automatonlang

A meta language for creating finite and mealy automations with an editor and the capabilty to create JFLAP files

btfparse

A C++ library that parses debug information encoded in BTF format

buyrandombooks

cbmc

C Bounded Model Checker

classloader-hierarchy-agent

Agent to print the classloader hierarchy

classviewer-agent

Agent to view the decompiled bytecode of classes, as they are currently executed

condensed-data

Library for writing compressed (JFR) event data

cpuset

Python3 port of cpuset (https://github.com/lpechacek/cpuset)

custom-jfr-event-sample

Sample application to demonstrate the use of custom JFR events

cyclotronsimulation

A simple simulation of cyclotron particle accelerator written for a physics class

dead-code-agent

Agent based dead code/classes detection

dsharpy

Combining model checkers with quantitative information flow leakage computation

ebpf-docs

An effort to comprehensively document eBPF

firefox-profiler

Firefox Profiler — Web app for Firefox performance analysis

flight-recorder-starter

This is a Spring Boot 2 Starter exposing the JDK Flight Recorder as a Spring Boot Actuator Endpoint.

hashcode-agent

Agent to find classes that don't implement hashCode, but of which this method is still used

hello-ebpf

Hello eBPF world! Hello Java world! Let's discover eBPF together and write Java user-land library along the way.

hello-ebpf-bcc-sample

Sample project for hello-ebpf's bcc library

intellij-profiler-plugin

IntelliJ plugin to view JFR profiler files and to profile using JFR