papers

Publications (8)

cs.IR2025

Realizing Scaling Laws in Recommender Systems: A Foundation-Expert Paradigm for Hyperscale Model Deployment

Dai Li, Kevin Course, Wei Li +13

Scaling laws have been established for recommender systems, yet efficiently deploying foundation model (FM) across multiple recommendation surfaces remains a major unsolved challen…

cs.IR2026

LIME: Link-based user-item Interaction Modeling with decoupled xor attention for Efficient test time scaling

Yunjiang Jiang, Ayush Agarwal, Yang Liu +1

Scaling large recommendation systems requires advancing three major frontiers: processing longer user histories, expanding candidate sets, and increasing model capacity. While prom…

cs.LG2026

MoEBlaze: Breaking the Memory Wall for Efficient MoE Training on Modern GPUs

Jiyuan Zhang, Yining Liu, Siqi Yan +6

The pervasive "memory wall" bottleneck is significantly amplified in modern large-scale Mixture-of-Experts (MoE) architectures. MoE's inherent architectural sparsity leads to spars…

cs.IR2026

Rethinking ANN-based Retrieval: Multifaceted Learnable Index for Large-scale Recommendation System

Jiang Zhang, Yubo Wang, Wei Chang +14

Approximate nearest neighbor (ANN) search is widely used in the retrieval stage of large-scale recommendation systems. In this stage, candidate items are indexed using their learne…

cs.IR2026

Bending the Scaling Law Curve in Large-Scale Recommendation Systems

Qin Ding, Kevin Course, Linjian Ma +19

Learning from user interaction history through sequential models has become a cornerstone of large-scale recommender systems. Recent advances in large language models have revealed…

cs.LG2026

Multi-Probe Zero Collision Hash (MPZCH): Mitigating Embedding Collisions and Enhancing Model Freshness in Large-Scale Recommenders

Ziliang Zhao, Bi Xue, Emma Lin +16

Embedding tables are critical components of large-scale recommendation systems, facilitating the efficient mapping of high-cardinality categorical features into dense vector repres…

cs.IR2026

SilverTorch: A Unified Model-based System to Democratize Large-Scale Recommendation on GPUs

Bi Xue, Hong Wu, Lei Chen +29

Serving deep learning based recommendation models (DLRM) at scale is challenging. Existing approaches rely on dedicated ANN indexing and filtering services on CPUs, suffering from…

cs.LG2026

FreeScale: Distributed Training for Sequence Recommendation Models with Minimal Scaling Cost

Chenhao Feng, Haoli Zhang, Shakhzod Ali-Zade +17

Modern industrial Deep Learning Recommendation Models typically extract user preferences through the analysis of sequential interaction histories, subsequently generating predictio…