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Open-Sourcing Rebalancer: A Generic, High-Performance Library for Solving Assignment Problems
We’re open-sourcing Rebalancer, the assignment-problem solver that has been used to solve resource allocation problems throughout Meta for over nine years. Rebalancer separates several related concerns: how to specify a…
Inside Petal: Building the World’s First Petabit-Class Transoceanic Subsea Cable
Petal, the next step in Meta’s subsea innovation, will be the first subsea cable to deliver petabit capacity at transoceanic distances, connecting France and the United States over approximately 7,000 km (4,300 mi). Exp…
23 分钟 · Meta Engineering
ZGateway: Learnings from Putting a Proxy in Front of ZippyDB
We’re introducing ZGateway, the proxy we are using to unify traffic through ZippyDB, Meta’s most widely-used key value store. As a bonus, it also enables admission control, load balancing, cross-region resilience, and r…
30 分钟 · Meta EngineeringLATEST STORIES
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An Organizational Second Brain: Building an AI That Learns From Experts精选导读
We’ve built an AI agent that acts as a secondary expert for a given domain, making deep specialist knowledge readily available and preserved for anyone in an organization to access, share, and build upon. This is not a …
MetaRoCE: A New RDMA Transport Built for AI-Scale Ethernet精选导读
Training and serving frontier AI models depends on fast, reliable networks that move data between GPUs without wasting compute cycles. To meet this challenge at scale, Meta designed MetaRoCE – a clean-sheet RDMA transpo…
MTIA 300: Meta’s First Training Chip with Built-in NICs and Communication-Offloading Engines精选导读
MTIA 300 is the first of Meta’s family of in-house training and inference accelerators optimized for training ranking and recommendation models. We’re sharing how MTIA 300’s built-in NIC chiplets allow it to meet the co…
How We’re Building Scam Alert on WhatsApp With End-to-End Encryption and Verifiability Guarantees精选导读
WhatsApp is committed to helping people stay safe while protecting the privacy of their messages. As scam tactics evolve — from impersonation to social engineering to AI-generated lures — we’re always evolving as well, …
From User Sequences to Scaling Laws: A Multi-Stage Architecture for Meta’s Ads Ranking精选导读
Every day, Meta’s recommendation platforms handle billions of user interactions, generating rich temporal signals that capture individual preferences and intent across products, ads, and content. In our 2024 post on seq…