hora-ios

[Homepage] [Document] [Examples] [Hora]

IOS bidding for the Hora Approximate Nearest Neighbor Search

Demos

👩 Face-Match

🍷 Dream wine comments search

Key Features

• Performant ⚡️

  • SIMD-Accelerated (packed_simd)
  • Stable algorithm implementation
  • Multiple threads design

• Multiple Indexes Support 🚀

  • Hierarchical Navigable Small World Graph Index(HNSWIndex) (detail)
  • Satellite System Graph (SSGIndex) (detail)
  • Product Quantization Inverted File(PQIVFIndex) (detail)
  • Random Projection Tree(RPTIndex) (LSH, WIP)
  • BruteForce (BruteForceIndex) (naive implementation with SIMD)

• Portable 💼

  • Support no_std (WIP, partial)
  • Support Windows, Linux and OS X
  • Support IOS and Android (WIP)
  • No heavy dependency, such as BLAS

• Reliability 🔒

  • Rust compiler secure all code
  • Memory managed by Rust
  • Broad testing coverage

• Multiple Distances Support 🧮

  • Dot Product Distance
    • 
  • Euclidean Distance
    • 
  • Manhattan Distance
    • 
  • Cosine Similarity
    • 

• Productive ⭐

  • Well documented
  • Elegant and simple API, easy to learn

Benchmark

by aws t2.medium (CPU: Intel(R) Xeon(R) CPU E5-2686 v4 @ 2.30GHz) more information

Usage

$ rustup target add aarch64-apple-ios aarch64-apple-ios
$ cargo install cargo-lipo
$ git clone https://github.com/hora-search/hora-ios
$ cd hora-ios/hora
$ cargo lipo --release

then you would got hora/target/universal/release/libhora.a

License

The entire repo is under Apache License.