faiss

Perform vector similarity search with FAISS index types and GPU acceleration.

Updated Apr 21, 2026
One-click install
npx skills add https://github.com/samuelmukoti/myai-agent --skill faiss-samuelmukoti
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: faiss
Source: https://github.com/samuelmukoti/myai-agent/tree/main/optional-skills/mlops/faiss
Command: npx skills add https://github.com/samuelmukoti/myai-agent --skill faiss-samuelmukoti

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires faiss-cpu, faiss-gpu, numpy, and includes references (resource) components.

What problem does it solve?

FAISS provides efficient similarity search and clustering for dense vectors, enabling fast, scalable retrieval and k-NN across large datasets without requiring metadata.

Core Features & Use Cases

  • Fast, GPU-accelerated vector search across billions of vectors with multiple index types (Flat, IVF, HNSW).
  • Python and C++ bindings for easy integration into ML pipelines and production systems.
  • Use cases include large-scale recommendations, retrieval-augmented generation, and vector-based search over corpora.

Quick Start

Install FAISS and run a minimal index example to validate setup.

Frequently Asked Questions about faiss

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I perform vector similarity search at scale without requiring metadata?

Vector similarity search at scale is handled by FAISS, which performs efficient k-NN retrieval and clustering across dense vectors. It supports multiple index types like Flat, IVF, and HNSW to enable fast retrieval across large datasets without requiring metadata.

What is the best way to accelerate k-NN workloads for billions of vectors?

Accelerating k-NN workloads for billions of vectors is done using GPU-accelerated vector search. FAISS supports GPU acceleration alongside CPU implementations, enabling fast retrieval and model-augmented search across large-scale vector corpora in production.

Does FAISS work with Python and C++ bindings for ML pipeline integration?

FAISS works with both Python and C++ bindings for easy integration into ML pipelines and production systems. This allows developers to perform large-scale vector similarity search and retrieval-augmented generation within their existing software environments.

When should I use different FAISS index types like Flat, IVF, or HNSW?

Different FAISS index types like Flat, IVF, or HNSW are used depending on your specific retrieval needs and scale. Flat provides exact search, while IVF and HNSW offer approximate nearest neighbor search to optimize speed and memory for large-scale vector workloads.

Can I use vector search for retrieval-augmented generation and recommendation systems?

Vector search can be used for retrieval-augmented generation and recommendation systems. FAISS enables fast, scalable retrieval and k-NN workloads across large datasets, making it applicable for large-scale recommendations and model-augmented search over corpora.

What dependencies do I need to install to run a minimal FAISS index example?

To run a minimal FAISS index example, you need to install the faiss-cpu or faiss-gpu packages along with numpy. Installing FAISS and running a minimal index example validates your setup for performing fast vector similarity search.