Top 9 vector-math Open-Source Projects

• sleef

  17 590 8.1 C

  SIMD Library for Evaluating Elementary Functions, vectorized libm and DFT

Project mention: The Case of the Missing SIMD Code | news.ycombinator.com | 2023-06-08

I'm the main author of Highway, so I have some opinions :D Number of operations/platforms supported are important criteria.

A hopefully unbiased commentary:

Simde allows you to take existing nonportable intrinsics and get them to run on another platform. This is useful when you have a bunch of existing code and tight deadlines. The downside is less than optimal performance - a portable abstraction can be more efficient than forcing one platform to exactly match the semantics of another. Although a ton of effort has gone into Simde, sometimes it also resorts to autovectorization which may or may not work.

Eigen and SLEEF are mostly math-focused projects that also have a portability layer. SLEEF is designed for C and thus has type suffixes which are rather verbose, see https://github.com/shibatch/sleef/blob/master/src/libm/sleef... But it offers a complete (more so than Highway's) libm.

• vectormath

  2 249 2.3 C++

  Modified version of Sony's open sourced vector and matrix math library. (by glampert)

• InfluxDB

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• Math3D

  2 96 4.0 C#

  A .NET Standard 2.0 library for simple and efficient 3D math that is a feature-rich replacement for System.Numerics https://vimaec.github.io/Math3D

  

• Justinbobia

  0 82 2.7 C++

  The Configurable Math Library (by demianmnave)

• pg-costop

  1 42 3.9 PLpgSQL

  Vector Arithmetic and Weighted, Variably Randomized Cosine Similarity Search in Postgres

• Python_BMP

  7 29 8.4 Python

  A pure Python 2D/3D graphics library that outputs to windows bitmap format

Project mention: What's the most pointless program you've made with Python that you still use today? | /r/Python | 2023-05-23

This is totally a hobby project https://github.com/TechnoTanuki/Python_BMP

• vector

  1 13 0.0 TypeScript

  A linear algebra library for TypeScript and JavaScript (by jbrown1618)

Project mention: Java Matrix Algebra Library | /r/math | 2023-05-05

I worked on a similar hobby project for a while! Even if no one is ever going to use it, it was still a lot of fun to write. Obviously the language is different, but here is my implementation of eigenvalue/eigenvector finding.

• SaaSHub

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• dsga

  2 6 7.7 C++

  C++20 library that mostly implements the vector and matrix data structures from GLSL Spec 4.6

• unitpacking

  0 6 0.0 Go

  A library for storing unit vectors in a representation that lends itself to saving space on disk.

  

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