Reusing Ranking Blocks Cuts Communication While Preserving Short-Video Quality

Chain Dimension Scaling repeatedly applies a shared feature-interaction block, increasing effective computation depth without adding trainable parameters.

Big Tech
Zhimeng Jiang · Yuening Li · Ruixiao Sun · Yuanzhen Lin · Kun Jin · Chuan He · +1 more

Google

Research Digest··2 min read
Jiang and colleagues tested parameter-shared iterative computation in a production, multi-task short-video ranking system.

The authors introduce Chain Dimension Scaling (CDS), which repeatedly applies one feature-interaction block using the same parameters at every iteration.

Why this paper

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CDS reduces parameters by 26.6% and improves training throughput by 6.4% in a production ranking system.

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Research Digest

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