Baobao Algorithm Notes

Oct 25, 2024 · Artificial Intelligence

How to Use Importance Sampling for Effective Continue Pretraining of LLMs

Continuing pretraining (CP) bridges pretraining and SFT to inject domain knowledge, but faces catastrophic forgetting; this article explores leveraging importance sampling to balance common and domain data, discusses data selection, annealing strategies, and practical tips for mitigating forgetting while enhancing specialized capabilities.