REINFORCEMENT-LEARNINGFOUNDATIONAL2020-06-01

Acme: A Research Framework for Distributed Reinforcement Learning

Matthew W. Hoffman, Bobak Shahriari, John Aslanides, Gabriel Barth-Maron, Nikola Momchev, Danila Sinopalnikov, Piotr Stańczyk, Sabela Ramos, Anton Raichuk, Damien Vincent, Léonard Hussenot, Robert Dadashi, Gabriel Dulac-Arnold, Manu Orsini, Alexis Jacq, Johan Ferret, Nino Vieillard, Seyed Kamyar Seyed Ghasemipour, Sertan Girgin, Olivier Pietquin, Feryal Behbahani, Tamara Norman, Abbas Abdolmaleki, Albin Cassirer, Fan Yang, Kate Baumli, Sarah Henderson, Abe Friesen, Ruba Haroun, Alex Novikov, Sergio Gómez Colmenarejo, Serkan Cabi, Caglar Gulcehre, Tom Le Paine, Srivatsan Srinivasan, Andrew Cowie, Ziyu Wang, Bilal Piot, Nando de Freitas

Acme is a production-grade framework that lets you build complex distributed Imitation & Reinforcement LearningReinforcement Learning (RL)Teaching a robot through trial and error using rewards. agents from simple, reusable modules—no need to rewrite the whole Robot LearningTrainingThe process of fitting a model using data or experience. pipeline for each algorithm. If you're implementing robotics Imitation & Reinforcement LearningReinforcement Learning (RL)Teaching a robot through trial and error using rewards. systems at scale (multi-agent, distributed compute), this saves months of engineering and makes your code maintainable and reproducible.

THE PROBLEM

This paper focuses on Imitation & Reinforcement LearningReinforcement Learning (RL)Teaching a robot through trial and error using rewards.. Acme is a production-grade framework that lets you build complex distributed Imitation & Reinforcement LearningReinforcement Learning (RL)Teaching a robot through trial and error using rewards. agents from simple, reusable modules—no need to rewrite the whole Robot LearningTrainingThe process of fitting a model using data or experience. pipeline for each algorithm. If you're implementing robotics Imitation & Reinforcement LearningReinforcement Learning (RL)Teaching a robot through trial and error using rewards. systems at scale (multi-agent, distributed compute), this saves months of engineering and makes your code maintainable and reproducible. Read the paper by tracking the Core ConceptsTaskThe job the robot is supposed to complete, such as pick-and-place, navigation, or drawer opening. definition, the Core ConceptsRobotA physical system with sensors and actuators that can observe the world and take actions. or data assumptions, and the evidence that supports the claimed improvement.

HOW IT WORKS

1

Task framing

The paper frames the work as Imitation & Reinforcement LearningReinforcement Learning (RL)Teaching a robot through trial and error using rewards.. Start here because it defines what success means and which assumptions the rest of the method inherits.

2

Core method

Acme is a production-grade framework that lets you build complex distributed Imitation & Reinforcement LearningReinforcement Learning (RL)Teaching a robot through trial and error using rewards. agents from simple, reusable modules—no need to rewrite the whole Robot LearningTrainingThe process of fitting a model using data or experience. pipeline for each algorithm. If you're implementing robotics Imitation & Reinforcement LearningReinforcement Learning (RL)Teaching a robot through trial and error using rewards. systems at scale (multi-agent, distributed compute), this saves months of engineering and makes your code maintainable and reproducible. When reading the method section, identify the inputs, the learned or engineered representation, and the Core ConceptsActionA command the robot sends to its motors, controller, or low-level system. or prediction produced by the system.

3

Data and supervision

For robotics work, the data story is part of the method: check whether the system depends on Imitation & Reinforcement LearningTeleoperation (teleop)A human remotely controlling the robot, often to collect demonstrations., Simulation & Sim-to-RealSimulationA virtual environment where robots can be trained or tested., internet video, human labels, or Core ConceptsRobotA physical system with sensors and actuators that can observe the world and take actions. rollouts.

4

Evaluation evidence

The paper should be judged through its Simulation & Sim-to-RealEvaluationMeasuring how well a robot system performs. protocol: what data is used, what Core ConceptsRobotA physical system with sensors and actuators that can observe the world and take actions. or simulator is tested, and which Evaluation & ResearchBaselineA reference method used for comparison. comparisons support the claim. Look for the gap between the headline result and the Simulation & Sim-to-RealDeploymentPutting the trained system on a real robot. setting you would actually care about.

KEY RESULTS

Main contributionConceptual contribution

Acme is a production-grade framework that lets you build complex distributed Imitation & Reinforcement LearningReinforcement Learning (RL)Teaching a robot through trial and error using rewards. agents from simple, reusable modules—no need to rewrite the whole Robot LearningTrainingThe process of fitting a model using data or experience. pipeline for each algorithm. If you're implementing robotics Imitation & Reinforcement LearningReinforcement Learning (RL)Teaching a robot through trial and error using rewards. systems at scale (multi-agent, distributed compute), this saves months of engineering and makes your code maintainable and reproducible.

WHY DEVELOPERS SHOULD CARE

Acme is a production-grade framework that lets you build complex distributed Imitation & Reinforcement LearningReinforcement Learning (RL)Teaching a robot through trial and error using rewards. agents from simple, reusable modules—no need to rewrite the whole Robot LearningTrainingThe process of fitting a model using data or experience. pipeline for each algorithm. If you're implementing robotics Imitation & Reinforcement LearningReinforcement Learning (RL)Teaching a robot through trial and error using rewards. systems at scale (multi-agent, distributed compute), this saves months of engineering and makes your code maintainable and reproducible.

LIMITATIONS

The main limitation to check is whether the claimed behavior holds outside the paper's reported setup. That means testing across different Core ConceptsRobotA physical system with sensors and actuators that can observe the world and take actions. embodiments, scenes, objects, and data distributions.

WHAT COMES NEXT

The practical next step is independent reproduction with clear baselines, ablations, and stress tests. For a developer, the useful follow-up is to map the paper's Imitation & Reinforcement LearningReinforcement Learning (RL)Teaching a robot through trial and error using rewards. assumptions onto a concrete Core ConceptsRobotA physical system with sensors and actuators that can observe the world and take actions. stack, then test the smallest version of the method that could run end to end.

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