Self-playing Adversarial Language Game Enhances LLM Reasoning

TL;DR

SPAG enhances LLM reasoning by 5% through self-playing adversarial language games.

cs.CL 🔴 Advanced 2024-04-16 30 views
Pengyu Cheng Tianhao Hu Han Xu Zhisong Zhang Zheng Yuan Yong Dai Lei Han Nan Du Xiaolong Li
LLM self-play reasoning reinforcement learning NLP

Key Findings

Methodology

The study employs a self-playing adversarial language game, Adversarial Taboo, to enhance LLM reasoning through reinforcement learning. The attacker induces the defender to unconsciously speak the target word, while the defender tries to infer it. Experiments use LLaMA-2-7B and Baichuan-2-13B models with target words selected from a 50K high-frequency vocabulary.

Key Results

  • SPAG improved LLaMA-2-7B's performance by 5% on reasoning benchmarks, showing significant gains on datasets like MMLU and BBH.
  • Baichuan-2-13B saw a 3% reasoning improvement post-SPAG training, especially on the ARC-e dataset.
  • Compared to non-adversarial games, adversarial games show superior reasoning enhancement.

Significance

This research demonstrates the potential of self-playing adversarial games to enhance LLM reasoning, overcoming the dependency on additional data and human annotation in traditional methods. It holds significant implications for both academia and industry by providing a new pathway for model capability enhancement.

Technical Contribution

Introduced a self-playing adversarial training framework that significantly enhances LLM reasoning without human intervention, combining reinforcement and imitation learning. The method automates game outcome judgment, reducing human involvement and increasing training efficiency.

Novelty

First to apply self-playing adversarial games to enhance LLM reasoning, breaking traditional method limitations and offering a new training approach without additional data.

Limitations

  • In specific language tasks, models may overfit to game rules, reducing generalization ability.
  • The complexity of game design may limit direct application to other language tasks.

Future Work

Future research could explore more complex game rules and multi-language environments for self-play training to further enhance reasoning and generalization abilities.

AI Executive Summary

Large language models excel in NLP but still struggle with reasoning. Traditional methods rely on additional data and human annotation, which are costly and inefficient.

This study introduces a novel self-playing adversarial language game, SPAG, to enhance model reasoning through reinforcement learning. The attacker and defender engage in dialogue around a target word, training the model through self-play.

Experiments show that SPAG significantly improves the performance of LLaMA-2-7B and Baichuan-2-13B on multiple reasoning benchmarks, demonstrating the potential of this method in enhancing model reasoning capabilities.

Deep Analysis

Background

Recently, large language models have made significant strides in NLP. However, their reasoning capabilities remain challenged, especially in complex problem-solving and advanced intelligence development. Traditional methods rely on additional data and human annotation, which are costly.

Core Problem

Enhancing LLM reasoning faces bottlenecks in data dependency and human annotation. Existing methods show inconsistent performance across different prompt patterns and model checkpoints, making universal reasoning enhancement difficult.

Innovation

This study innovatively employs the SPAG self-playing adversarial language game to enhance LLM reasoning through reinforcement learning. This method requires no additional data, automates game outcome judgment, and improves training efficiency.

Methodology

  • �� Design the self-playing adversarial language game Adversarial Taboo, where the attacker induces the defender to unconsciously speak the target word.
  • �� Use LLaMA-2-7B and Baichuan-2-13B models, selecting target words from a 50K high-frequency vocabulary.
  • �� Combine reinforcement and imitation learning to enhance model reasoning.

Experiments

Experiments use LLaMA-2-7B and Baichuan-2-13B models, selecting target words from a 50K high-frequency vocabulary. Training is conducted through self-playing adversarial games, evaluated on multiple reasoning benchmarks.

Results

SPAG improved LLaMA-2-7B's performance by 5%, and Baichuan-2-13B by 3%. Adversarial games show superior reasoning enhancement compared to non-adversarial games.

Applications

This method can be applied to NLP tasks requiring high reasoning ability, such as complex problem-solving and advanced intelligence development. Its automated training process reduces human intervention, improving training efficiency.

Limitations & Outlook

Models may overfit to game rules in specific language tasks, reducing generalization ability. Future research could explore more complex game rules and multi-language environments for self-play training.

Plain Language Accessible to non-experts

Imagine playing a guessing game with a friend. One person knows a secret word, and the other has to guess it through conversation. This game is like training a large language model, which learns to understand and reason better through continuous dialogue and guessing. Just as you get smarter playing the game, the model improves its reasoning ability through this process.

ELI14 Explained like you're 14

Imagine you're playing a fun guessing game with a friend. One person knows a secret word, and the other has to guess it through conversation. This game is like training a large language model, which learns to understand and reason better through this game. Just like you get smarter playing the game, the model improves its reasoning ability this way.

Glossary

Self-playing Adversarial Game

A training method where the model learns by playing against itself to enhance reasoning ability.

Used to improve LLM reasoning.

Reinforcement Learning

A machine learning method that guides the model to learn optimal strategies through a reward mechanism.

Used in self-playing games to enhance model reasoning.

Imitation Learning

A method of training models by mimicking expert behavior.

Ensures models follow game rules.

LLaMA-2-7B

A large language model with strong NLP capabilities.

Used as a baseline model in experiments.

Baichuan-2-13B

Another large language model with strong NLP capabilities.

Used as a baseline model in experiments.

Open Questions Unanswered questions from this research

  • 1 How can self-playing games be applied in multi-language environments?
  • 2 Can more complex game rules be designed to further enhance model capabilities?

Applications

Immediate Applications

Complex Problem Solving

By enhancing reasoning abilities, models can be used to solve complex NLP problems, such as question-answering systems and dialogue generation.

Long-term Vision

Advanced Intelligence Development

Continuously enhancing reasoning abilities to drive AI towards more advanced intelligence development.

Abstract

We explore the potential of self-play training for large language models (LLMs) in a two-player adversarial language game called Adversarial Taboo. In this game, an attacker and a defender communicate around a target word only visible to the attacker. The attacker aims to induce the defender to speak the target word unconsciously, while the defender tries to infer the target word from the attacker's utterances. To win the game, both players must have sufficient knowledge about the target word and high-level reasoning ability to infer and express in this information-reserved conversation. Hence, we are curious about whether LLMs' reasoning ability can be further enhanced by Self-Playing this Adversarial language Game (SPAG). With this goal, we select several open-source LLMs and let each act as the attacker and play with a copy of itself as the defender on an extensive range of target words. Through reinforcement learning on the game outcomes, we observe that the LLMs' performances uniformly improve on a broad range of reasoning benchmarks. Furthermore, iteratively adopting this self-play process can continuously promote LLMs' reasoning abilities. The code is available at https://github.com/Linear95/SPAG.

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