THE TRAINING INFRASTRUCTURE BEHIND AI-POWERED JOB SEARCH: 8X FASTER MULTI-TEACHER DISTILLATION

Summary from the TLDR Data newsletter

LinkedIn's job search ranking trains a 0.6B student model on signals from three teachers covering relevance, engagement, and embeddings. Caching teacher outputs at the shard level cut training time from 45 hours to under 5 hours without accuracy loss, enabling same-day iteration cycles.