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Cogment Verse

Apache 2 License Changelog

Cogment is an innovative open source AI platform designed to leverage the advent of AI to benefit humankind through human-AI collaboration developed by AI Redefined. Cogment enables AI researchers and engineers to build, train and operate AI agents in simulated or real environments shared with humans. For the full user documentation visit https://docs.cogment.ai

🚧 This repository is under construction, it propose a library of environments and agent implementations to get started with Human In the Loop Learning (HILL) and Reinforcement Learning (RL) with Cogment in minutes. Cogment Verse is designed both for practionners discovering the field as well as for experienced researchers or engineers as an framework to develop and benchmark new approaches.

Cogment verse includes environments from:

Documentation table of contents

Getting started

Setup

  1. Install docker
  2. Install docker-compose (⚠️ you'll need version > 1.29.2 for this project)
  3. Install cogment (⚠️ version > 1.2.0 is required)
  4. Clone this repository

Build

First run code generation and build the docker images

cogment run sync && cogment run build

Troubleshooting

This project is using rather large libraries such as tensorflow and pytorch, because of that the build might fail if docker doesn't have access to sufficient memory.

Run

Start the services

cogment run start

Once the services are running, you can run training with the following command

RUN_PARAMS=cartpole_dqn cogment run start_run

The available RUN_PARAMS are defined in run_params.yaml. You can add new parameters as you wish as long as the environments and agents are supported.

To list ongoing runs you can run

cogment run list_runs

To terminate a given run you can run

RUN_ID=angry_gould cogment run terminate_run

Ongoing run identifiers to define RUN_ID can be retrieved by listing the ongoing runs with cogment run list_runs

Run monitoring

You can monitor ongoing run using mlflow. By default a local instance of mlflow is started by cogment-verse and is accessible at http://localhost:5000.

Human player

Some of the availabe run involve a human player, for example benchmark_lander_hill enables a human player to momentarily take control of the lunar lander to help the AI agents during the training process.

To let a human interact in the training process, first start the web client

cogment run web_client

Then start the run

RUN_PARAMS=benchmark_lander_hill cogment run start_run

and access the playing interface, by default at http://localhost:8080

GPU

Instead of using cogment run build and cogment run start use cogment run build_gpu and cogment run start_gpu.

Debug

Resources monitoring

Cogment verse comes with prometheus, in /prometheus, and grafana, in /grafana, services to facilitate the monitoring of the cluster.

When running with the default cogment run start, the grafana dashboard can be accessed at http://localhost:3000.

Profiling

Steps

  • Add viztracer to python requirements.txt
  • Modify docker-compose override
    • Add a mount for the profile results json/html file
    • Change the entrypoint of the service viztracer --output_file /output/results.html script.py
  • Rebuild and run jobs

Acknowledgements

The subdirectories /tf_agents/cogment_verse_tf_agents/third_party and /torch_agents/cogment_verse_torch_agents/third_party contains code from third party sources