LinkedIn's GPU Framework for Policy-Aligned Semantic Search
_reachsumit · x · 2026-09-01
LinkedIn presents a GPU-based retrieval framework addressing bottlenecks in policy-aligned semantic search.
- Alignment: Partitions embeddings into 8 category-supervised segments following the same min/median rule as the LLM Graded Relevance judge, preventing strong matches on one facet from masking failures on others.
- Pipeline: Served via a two-stage FP8/FP16 GPU pipeline for fast, large-scale search.
- Impact: Improves offline relevance on 21K held-out queries with broadly distributed gains.
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