Search Results for author: Sam Ritter

Found 4 papers, 3 papers with code

Mixture-of-Depths: Dynamically allocating compute in transformer-based language models

1 code implementation2 Apr 2024 David Raposo, Sam Ritter, Blake Richards, Timothy Lillicrap, Peter Conway Humphreys, Adam Santoro

Our method enforces a total compute budget by capping the number of tokens ($k$) that can participate in the self-attention and MLP computations at a given layer.

How to Learn and Represent Abstractions: An Investigation using Symbolic Alchemy

1 code implementation14 Dec 2021 Badr AlKhamissi, Akshay Srinivasan, Zeb-Kurth Nelson, Sam Ritter

Alchemy is a new meta-learning environment rich enough to contain interesting abstractions, yet simple enough to make fine-grained analysis tractable.

Meta-Learning

Synthetic Returns for Long-Term Credit Assignment

2 code implementations24 Feb 2021 David Raposo, Sam Ritter, Adam Santoro, Greg Wayne, Theophane Weber, Matt Botvinick, Hado van Hasselt, Francis Song

We propose state-associative (SA) learning, where the agent learns associations between states and arbitrarily distant future rewards, then propagates credit directly between the two.

Rapid Task-Solving in Novel Environments

no code implementations ICLR 2021 Sam Ritter, Ryan Faulkner, Laurent Sartran, Adam Santoro, Matt Botvinick, David Raposo

We show that EPNs learn to execute a value iteration-like planning algorithm and that they generalize to situations beyond their training experience.

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