Transformer-Squared: Self-adaptive LLMs

• URL: http://arxiv.org/abs/2501.06252v3
• Date: Fri, 24 Jan 2025 01:26:30 GMT
• Title: Transformer-Squared: Self-adaptive LLMs
• Authors: Qi Sun, Edoardo Cetin, Yujin Tang,
• Abstract summary: We introduce Transformer-Squared, a novel self-adaptation framework that adapts large language models for unseen tasks in real-time.<n>Our method consistently outperforms ubiquitous approaches such as LoRA, with fewer parameters and greater efficiency.<n> Transformer-Squared represents a significant leap forward, offering a scalable, efficient solution for enhancing the adaptability and task-specific performance of LLMs.
• Score: 29.1326358746118
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Self-adaptive large language models (LLMs) aim to solve the challenges posed by traditional fine-tuning methods, which are often computationally intensive and static in their ability to handle diverse tasks. We introduce Transformer-Squared, a novel self-adaptation framework that adapts LLMs for unseen tasks in real-time by selectively adjusting only the singular components of their weight matrices. During inference, Transformer-Squared employs a two-pass mechanism: first, a dispatch system identifies the task properties, and then task-specific 'expert' vectors, trained using reinforcement learning, are dynamically mixed to obtain targeted behavior for the incoming prompt. Our method consistently outperforms ubiquitous approaches such as LoRA, with fewer parameters and greater efficiency. Furthermore, Transformer-Squared demonstrates versatility across different LLM architectures and modalities, including vision-language tasks. Transformer-Squared represents a significant leap forward, offering a scalable, efficient solution for enhancing the adaptability and task-specific performance of LLMs, paving the way for truly dynamic, self-organizing AI systems.

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