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Disaggregated Multi-Tower: Topology-aware Modeling Technique for Efficient Large-Scale Recommendation
March 5, 2024, 2:41 p.m. | Liang Luo, Buyun Zhang, Michael Tsang, Yinbin Ma, Ching-Hsiang Chu, Yuxin Chen, Shen Li, Yuchen Hao, Yanli Zhao, Guna Lakshminarayanan, Ellie Dingqiao
cs.LG updates on arXiv.org arxiv.org
Abstract: We study a mismatch between the deep learning recommendation models' flat architecture, common distributed training paradigm and hierarchical data center topology. To address the associated inefficiencies, we propose Disaggregated Multi-Tower (DMT), a modeling technique that consists of (1) Semantic-preserving Tower Transform (SPTT), a novel training paradigm that decomposes the monolithic global embedding lookup process into disjoint towers to exploit data center locality; (2) Tower Module (TM), a synergistic dense component attached to each tower to …
abstract architecture arxiv center cs.dc cs.ir cs.lg data data center deep learning distributed hierarchical modeling novel paradigm recommendation scale semantic study topology training type
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