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Usearch Alternatives
Similar projects and alternatives to usearch
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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
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ustore
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 🗄️
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StringZilla
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, etc 🦖
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WorkOS
The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.
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rebar
A biased barometer for gauging the relative speed of some regex engines on a curated set of tasks.
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SimSIMD
Up to 200x Faster Inner Products and Vector Similarity — for Python, JavaScript, Rust, and C, supporting f64, f32, f16 real & complex, i8, and binary vectors using SIMD for both x86 AVX2 & AVX-512 and Arm NEON & SVE 📐
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kuzu
Embeddable property graph database management system built for query speed and scalability. Implements Cypher.
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uform
Pocket-Sized Multimodal AI for content understanding and generation across multilingual texts, images, and 🔜 video, up to 5x faster than OpenAI CLIP and LLaVA 🖼️ & 🖋️
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chromem-go
Embeddable vector database for Go with Chroma-like interface and zero third-party dependencies. In-memory with optional persistence.
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NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a better usearch alternative or higher similarity.
usearch reviews and mentions
Posts with mentions or reviews of usearch.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2024-01-12.
- USearch SQLite Extensions for Vector and Text Search
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Ask HN: What is the state of art approximate k-NN search algorithm today?
Another worth mentioning in this thread is usearch, though not a separate algorithm, based on HNSW with a bunch of optimizations https://github.com/unum-cloud/usearch
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Vector Databases: A Technical Primer [pdf]
I've used usearch successfully for a small project: https://github.com/unum-cloud/usearch/
- 90x Faster Than Pgvector – Lantern's HNSW Index Creation Time
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Python, C, Assembly – Faster Cosine Similarity
The hardest (still missing) part of efficient cosine computation distance computation is picking a good epsilon for the `sqrt` calculation and avoiding "division by zero" problems.
We have an open issue about it in USearch and a related one in SimSIMD itself, so if you have any suggestions, please share your insights - they would impact millions of devices using the library (directly on servers and mobile, and through projects like ClickHouse and some of the Google repos): https://github.com/unum-cloud/usearch/issues/320
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Show HN: I scraped 25M Shopify products to build a search engine
As you scale, you may benefit from these two projects I maintain, and the Big Tech uses :)
https://github.com/unum-cloud/usearch - for faster search
https://github.com/unum-cloud/uform - for cheaper multi-lingual multi-modal embeddings
- [P] unum-cloud/usearch: Fastest Open-Source Similarity Search engine for Vectors in Python, JavaScript, C++, C, Rust, Java, Objective-C, Swift, C#, GoLang, and Wolfram 🔍
- USearch: SIMD-accelerated Vector Search Structure for 10 Programming Languages
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Stringzilla: Fastest string sort, search, split, and shuffle using SIMD
> It doesn't appear to query CPUID
Yes, I'm actually looking for a good way to do it for other projects as well. I've looked into a couple more libs, and here is the best I've come up with so far: https://github.com/unum-cloud/usearch/blob/f942b6f334b31716f...
> Your substring routines have multiplicative worst case
Yes, that is true. It's a very simple stupid trick, just happens to work well for me :)
> It seems quite likely that your confirmation step
We have a different library internally at Unum, that avoids this shortcoming. It has a few thousand lines of C++ templates with SIMD intrinsics... and it's definitely more efficient, but the margins aren't always high. So I kept the pure C version with inlined functions as minimal and simple as possible.
> It would actually be possible to hook Stringzilla up to `memchr`'s benchmark suite if you were interested. :-)
Yes, that would be a fun thing to do! I haven't had time to look into `memchr` yet, but would expect great perf from your lib as well. For me the State of the Art is Intel HyperScan. Probably the most advanced SIMD library overall, not just for strings. I was very impressed with their perf ~5 years ago. But the repo is 200 K LOC... So get ready to invest a weekend :)
That said, I'm a bit slammed with work right now, including open-source. Hoping to ship a new major release in UCall this week, and a minor one in USearch :)
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Unum: Vector Search engine in a single file
We don't use BLAS. Why? BLAS helps with matrix-matrix multiplications, if you feel lazy and don't want to write the matrix tiling code manually.
They bring essentially nothing of value in vector-vector operations, as compilers can properly auto-vectorize simple dot products... Moreover, they generally only target single and double precision, while we often prefer half or quarter precision. All in all, meaningless dependency.
What do we use? I wrote a tiny package called SimSIMD. It's idea is to utilize less common SIMD instructions, especially in mixed-typed computations, that are hard for compilers to optimize. It was also a fun exercise to evaluate the performance of new SVE instruction on recent Arm CPUs, like the Graviton 3. You can find the code, the benchmarks, and the results in the repo: https://github.com/ashvardanian/simsimd
Still, even without SimSIMD, USearch seems to be one of the faster implementations of vector search. You can find the benchmarks in the first table here: https://github.com/unum-cloud/usearch#memory-efficiency-down...
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www.saashub.com | 28 Apr 2024
Stats
Basic usearch repo stats
20
1,629
9.8
5 days ago
unum-cloud/usearch is an open source project licensed under Apache License 2.0 which is an OSI approved license.
The primary programming language of usearch is C++.
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