Facebook Engineering

Extending the Malbec subsea cable to Southern Brazil

Meta is partnering with V.tal to extend the Malbec subsea cable to Porto Alegre,...

Journey to 1000 models: Scaling Instagram’s recommendat...

In this post, we explore how Instagram has successfully scaled its algorithm to ...

Meta’s Full-stack HHVM optimizations for GenAI

As Meta has launched new, innovative products leveraging generative AI (GenAI), ...

Accelerating GPU indexes in Faiss with NVIDIA cuVS

Meta and NVIDIA collaborated to accelerate vector search on GPUs by integrating ...

Enhancing the Python ecosystem with type checking and f...

Meta and Quansight have improved key libraries in the Python Ecosystem. There is...

Open-sourcing Pyrefly: A faster Python type checker wri...

Back in 2017, engineers at Meta sought to create a type checker for Instagram’s ...

Introducing Pyrefly: A new type checker and IDE experie...

Today we are announcing an alpha version of Pyrefly, an open source Python type ...

Mobile GraphQL at Meta in 2025

Mobile GraphQL is a framework used at Meta for fetching data in mobile applicati...

Building multimodal AI for Ray-Ban Meta glasses

Multimodal AI – models capable of processing multiple different types of inputs ...

Building Private Processing for AI tools on WhatsApp

We are inspired by the possibilities of AI to help people be more creative, prod...

How Meta understands data at scale

Managing and understanding large-scale data ecosystems is a significant challeng...

Meta Open Source: 2024 by the numbers

Open source has played an essential role in the tech industry and beyond. Whethe...

Taking the plunge: The engineering journey of building ...

Meta develops infrastructure all across the globe to transport information and c...

Introducing AutoPatchBench: A Benchmark for AI-Powered ...

We are introducing AutoPatchBench, a benchmark for the automated repair of vulne...

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