3 papers
cs.LG2025
Zeroth-Order Fine-Tuning of LLMs in Random Subspaces
Ziming Yu, Pan Zhou, Sike Wang +3
Fine-tuning Large Language Models (LLMs) has proven effective for a variety of downstream tasks. However, as LLMs grow in size, the memory demands for backpropagation become increa…
cs.LG2025
Mixture of Group Experts for Learning Invariant Representations
Lei Kang, Jia Li, Mi Tian +1
Sparsely activated Mixture-of-Experts (MoE) models effectively increase the number of parameters while maintaining consistent computational costs per token. However, vanilla MoE mo…
cs.LG2025
4-bit Shampoo for Memory-Efficient Network Training
Sike Wang, Pan Zhou, Jia Li +1
Second-order optimizers, maintaining a matrix termed a preconditioner, are superior to first-order optimizers in both theory and practice. The states forming the preconditioner and…