DeepSeek-V3 Explained Part 4: Multi-Token Prediction
Author(s): Nehdiii
Originally published on Towards AI.
This is the fourth article in our DeepSeek-V3 series, where we explain the final major architectural innovation in DeepSeek [1, 2] models: multi-token prediction.
In previous articles, we explained how DeepSeek carefully balances various architectural trade-offs:
Multi-head Latent Attention optimizes memory efficiency while maintaining model performance during decoding.DeepSeekMoE balances knowledge sharing and expert specialization within the Mixture of Experts (MoE) architecture.Auxiliary-Loss-Free Load Balancing achieves effective load balancing without compromising the main training objective.
In this article, we will explore how DeepSeek strikes yet another balance — between efficiency and quality in text generation.
Table of contents for this article:
Background: Introduce the fundamentals of the decoding process in LLMs, focusing on how next-token prediction works and its limitations. We also review prior works on multi-token prediction (MTP), discussing the design choices, as well as the advantages and limitations of these approaches.DeepSeek’s Multi-Token Prediction: Explain how it works and discuss the design choices, with a focus on how it differs from prior works. Additionally, we introduce how DeepSeek’s MTP strategy can be combined with speculative decoding to accelerate inference.Evaluation: Discuss the impact of MTP on both training performance and inference efficiency.Summary.Reference.
Other articles in the DeepSeek series:
Part 1 : Multi-head… Read the full blog for free on Medium.
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