Shypd.aiThe largest open index of AI toolsUSearch is an open-source AI Frameworks & Infra tool that provides a fast search and clustering engine for vectors and arbitrary objects. It supports multiple programming languages and offers hardware-agnostic half-precision support for efficient indexing.
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USearch is a fast, open-source search and clustering engine designed for vectors and arbitrary objects. It offers a highly optimized HNSW implementation, boasting up to 10x faster performance than FAISS. The engine supports a wide array of programming languages including C++, Python, JavaScript, Rust, Java, Objective-C, Swift, C#, GoLang, and Wolfram, making it broadly compatible across different development environments. Key features include SIMD-optimized and user-defined metrics with JIT compilation, hardware-agnostic half-precision support (bf16, e5m2, i8), and the ability to view large indexes from disk without loading them into RAM. USearch also provides heterogeneous lookups, on-the-fly deletions, and binary Tanimoto/Sorensen coefficients for specialized applications like genomics. Its compact codebase and native bindings contribute to lower call latencies and faster deployments.
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