Balancing Bias and Diversity in Text Generation

Theoretical Insights and Practical Advances in Text Generation

The field of text generation is witnessing a shift towards more sophisticated decoding strategies and theoretical underpinnings that aim to enhance both the efficiency and quality of generated text. Recent developments emphasize the importance of balancing bias and diversity in decoding methods, with a focus on improving the theoretical understanding of these factors. This has led to the introduction of novel metrics and decoding approaches that aim to increase diversity without compromising on the alignment with human evaluations.

In terms of practical advancements, there is a notable trend towards accelerating the generation process through asynchronous and multi-device speculative decoding, which decouples draft and verify phases to enable parallel processing. Additionally, innovations in multi-token prediction using tensor decomposition and future token prediction models are demonstrating significant improvements in inference speed and topic coherence, respectively.

Noteworthy papers include one that introduces a new metric to approximate bias in decoding, and another that proposes an asynchronous multi-device speculative decoding system achieving substantial speedup. These contributions not only advance the theoretical framework but also offer practical solutions that can be readily integrated into existing systems.

Sources

Theoretical Aspects of Bias and Diversity in Minimum Bayes Risk Decoding

AMUSD: Asynchronous Multi-Device Speculative Decoding for LLM Acceleration

Faster Language Models with Better Multi-Token Prediction Using Tensor Decomposition

Future Token Prediction -- Causal Language Modelling with Per-Token Semantic State Vector for Multi-Token Prediction

Multi-Draft Speculative Sampling: Canonical Architectures and Theoretical Limits

AdaEDL: Early Draft Stopping for Speculative Decoding of Large Language Models via an Entropy-based Lower Bound on Token Acceptance Probability

Towards Better Open-Ended Text Generation: A Multicriteria Evaluation Framework

Built with on top of