Empirical Results: GPT-2 Analysis of Transformer Memorization & Loss

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

Table of Links

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 Empirical Results

We explore the hypothesis regarding the radius r in Section 5 using a pre-trained GPT-2 medium model. Additionally, we train various GPT-2 small models and vanilla Transformer models to analyze their cross-entropy losses.

6.1 Empirical evaluation of the radius

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:::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).

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

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1. available at https://github.com/openai/gpt-2

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