The Impact of Data Size on Transformer Training: Overfitting & Loss Dynamics

Explore how training data subsets (9M, 90M tokens) influence the cross-entropy loss in Transformers, examining overfitting and the convergence behavior on test sets.


This content originally appeared on HackerNoon and was authored by Reinforcement Technology Advancements

Abstract and 1 Introduction

2 Related Work

3 Model and 3.1 Associative memories

3.2 Transformer blocks

4 A New Energy Function

4.1 The layered structure

5 Cross-Entropy Loss

6 Empirical Results and 6.1 Empirical evaluation of the radius

6.2 Training GPT-2

6.3 Training Vanilla Transformers

7 Conclusion and Acknowledgments

\ Appendix A. Deferred Tables

Appendix B. Some Properties of the Energy Functions

Appendix C. Deferred Proofs from Section 5

Appendix D. Transformer Details: Using GPT-2 as an Example

\ References

6.2 Training GPT-2

\ Figure 4: Vanilla Transformers trained on the 2M Question-Formation dataset following the settings in (Murty et al., 2023). The training losses stabilize at a value of approximately 1, which corroborates the result presented in Proposition 4.

\

\

:::info Authors:

(1) Xueyan Niu, Theory Laboratory, Central Research Institute, 2012 Laboratories, Huawei Technologies Co., Ltd.;

(2) Bo Bai baibo (8@huawei.com);

(3) Lei Deng (deng.lei2@huawei.com);

(4) Wei Han (harvey.hanwei@huawei.com).

:::

:::info This paper is available on arxiv under CC BY-NC-ND 4.0 DEED license.

:::

\


This content originally appeared on HackerNoon and was authored by Reinforcement Technology Advancements


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