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I love small solutions for big problems
I love small solutions for big problems




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Hey, I'm Ash!

I am best known for designing search technologies deployed on hundreds of millions of devices, which power some of the largest tech companies, unicorns and decacorns, AI research labs, and defense and intelligence organizations worldwide. In short:

  • CS/AI researcher.
  • Trained in Astrophysics.
  • Ex Investor - cloud and semiconductors.
  • Fluent in English, Russian & Armenian.
  • Building Unum Cloud since 2015.

I spent most of the last 20 years writing code. Mostly GPGPU and SIMD. Prefer spaces over tabs, east-const, and procedural programming over object-oriented or functional. Abstractions are evil. Assembly is nice. If you want to get in touch and contribute - my handle is @ashvardanian on most platforms, including Twitter and LinkedIn.

USearch Python installs UCall Python installs SimSIMD Python installs StringZilla Python installs GitHub Org's stars: unum-cloud GitHub User's stars: ashvardanian HackerNews User Karma


I've designed and maintain the following libraries, datasets, and AI models:

  • StringZilla - fast strings processing library for C, C++, Rust, Python, and Swift, replacing GlibC and STL
  • USearch - single-file search engine for C, C++, Rust, Swift, Go, Java, C#, Python, JavaScript..., replacing FAISS
  • UForm - small multimodal pre-trained AI models with SDKs for Python, JavaScript, and Swift, replacing CLIP
  • UCall - backend networking library for C and Python designed with efficient kernel bypass, replacing FastAPI
  • UStore - multimodal embedded database for C, C++, and Python designed around key-value stores
  • SimSIMD - fast vector-vector math library for C, Python, Rust, and JavaScript, replacing BLAS level 1
  • USearch-Molecules - 28 billion embeddings of small molecules for chem-informatics & pharma

Smaller projects include:

  • affine-gaps - Less wrong local and global Gotoh sequence alignments in one NumBa Python file
  • ParallelReductionsBenchmark - GPGPU benchmarks for SyCL, CUDA, OpenCL, Vulkan, and other parallel tech
  • SwiftSemanticSearch - example of on-device real-time AI using UForm and USearch on iOS
  • BenchmarkingTutorial - C/C++ tutorial for performance-oriented programming using Google Benchmark
  • memchr_vs_stringzilla - Rust micro-benchmark comparing StringZilla to the MemChr crate
  • usearch-benchmarks - Billion-scale benchmarks against FAISS, Weaviate, Qdrant, etc.
  • ucsb - parallel benchmarks for ACID persistent key-value stores, like RocksDB


Cherry picks:


  1. unum-cloud/usearch unum-cloud/usearch Public

    Fast Open-Source Search & Clustering engine Γ— for Vectors & πŸ”œ Strings Γ— in C++, C, Python, JavaScript, Rust, Java, Objective-C, Swift, C#, GoLang, and Wolfram πŸ”

    C++ 1.9k 109

  2. unum-cloud/uform unum-cloud/uform Public

    Pocket-Sized Multimodal AI for content understanding and generation across multilingual texts, images, and πŸ”œ video, up to 5x faster than OpenAI CLIP and LLaVA πŸ–ΌοΈ & πŸ–‹οΈ

    Python 954 56

  3. StringZilla StringZilla Public

    Up to 10x faster strings for C, C++, Python, Rust, and Swift, leveraging SWAR and SIMD on Arm Neon and x86 AVX2 & AVX-512-capable chips to accelerate search, sort, edit distances, alignment scores,…

    C++ 1.9k 64

  4. unum-cloud/ucall unum-cloud/ucall Public

    Remote Procedure Calls - 50x lower latency and 70x higher bandwidth than FastAPI, implementing JSON-RPC & πŸ”œ REST over io_uring and SIMDJSON ☎️

    C 1.1k 39

  5. SimSIMD SimSIMD Public

    Up to 200x Faster Inner Products and Vector Similarity β€” for Python, JavaScript, Rust, C, and Swift, supporting f64, f32, f16 real & complex, i8, and binary vectors using SIMD for both x86 AVX2 & A…

    C 783 42

  6. unum-cloud/ustore unum-cloud/ustore Public

    Multi-Modal Database replacing MongoDB, Neo4J, and Elastic with 1 faster ACID solution, with NetworkX and Pandas interfaces, and bindings for C 99, C++ 17, Python 3, Java, GoLang πŸ—„οΈ

    C++ 511 32