3 papers
cs.LG2025
ZClip: Adaptive Spike Mitigation for LLM Pre-Training
Abhay Kumar, Louis Owen, Nilabhra Roy Chowdhury +1
Training large language models (LLMs) presents numerous challenges, including gradient instability and loss spikes. These phenomena can lead to catastrophic divergence, requiring c…
cs.CL2025
A Refined Analysis of Massive Activations in LLMs
Louis Owen, Nilabhra Roy Chowdhury, Abhay Kumar +1
Motivated in part by their relevance for low-precision training and quantization, massive activations in large language models (LLMs) have recently emerged as a topic of interest.…
cs.LG2025
Variance Control via Weight Rescaling in LLM Pre-training
Louis Owen, Abhay Kumar, Nilabhra Roy Chowdhury +1
The outcome of Large Language Model (LLM) pre-training strongly depends on weight initialization and variance control strategies. Although the importance of initial variance contro…