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cs.PF2026
Compass: Dissecting Communication and Computation Operators for Efficient LLM Training
Guangyu Xiang, Lin Zhang, Haoxuan Yu +3
Overlapping communication and computation operators is a common practice to hide communication overheads, accelerating large language models (LLMs) training on GPU clusters. Existi…
cs.CV2026
AdaFocus: Adaptive Relevance-Diversity Sampling with Zero-Cache Look-back for Efficient Long Video Understanding
Xiao Yang, Yingzhe Ma, Haoxuan Yu +2
Long video understanding is heavily bottlenecked by a rigid one-shot paradigm: existing methods either densely encode videos at prohibitive memory and latency costs, or aggressivel…