Meta's Auto-RecSys Deploys Autonomous Research Agents for Multi-Day Recommender Experiments
_reachsumit · x · 2026-09-11
Meta presents Auto-RecSys, an autonomous research agent system for long-horizon experimentation on industry-scale recommendation models, tackling two challenges: multi-day training feedback loops and fragile, complex infrastructure.
Key designs:
- Distributed asynchronous execution to run parallel experiments across servers;
- Centralized cross-server memory for persistent, recoverable execution across sessions and failures;
- Cognitive-procedural separation, where natural-language skill files steer LLM reasoning while deterministic scripts enforce operational correctness.
A dual-loop self-evolving architecture lets model-specific playbooks accumulate operational knowledge, cutting human effort per experiment cycle.
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