avx2

Parsing gigabytes of JSON per second : used by Facebook/Meta Velox, the Node.js runtime, ClickHouse, WatermelonDB, Apache Doris, Milvus, StarRocks

Performance-portable, length-agnostic SIMD with runtime dispatch

Visual Studio extension for assembly syntax highlighting and code completion in assembly files and the disassembly window

Fast inference engine for Transformer models

Implementations of SIMD instruction sets for systems which don't natively support them.

DirectXMath is an all inline SIMD C++ linear algebra library for use in games and graphics apps

Roaring bitmaps in C (and C++), with SIMD (AVX2, AVX-512 and NEON) optimizations: used by Apache Doris, ClickHouse, Redpanda, YDB and StarRocks

SIMD Vector Classes for C++

Unicode routines (UTF8, UTF16, UTF32) and Base64: billions of characters per second using SSE2, AVX2, NEON, AVX-512, RISC-V Vector Extension, LoongArch64, POWER. Part of Node.js, WebKit/Safari, Ladybird, Chromium, Cloudflare Workers and Bun.

Up to 200x Faster Dot Products & Similarity Metrics — for Python, Rust, C, JS, and Swift, supporting f64, f32, f16 real & complex, i8, and bit vectors using SIMD for both AVX2, AVX-512, NEON, SVE, & SVE2 📐

Portable header-only C++ low level SIMD library

Expressive Vector Engine - SIMD in C++ Goes Brrrr

C++ template library for high performance SIMD based sorting algorithms

Native Go version of HighwayHash with optimized assembly implementations on Intel and ARM. Able to process over 10 GB/sec on a single core on Intel CPUs - https://en.wikipedia.org/wiki/HighwayHash

Library for specialized dense and sparse matrix operations, and deep learning primitives.

Performance-optimized wheels for TensorFlow (SSE, AVX, FMA, XLA, MPI)

Fastest Integer Compression

SIMD Library for Evaluating Elementary Functions, vectorized libm and DFT

C# bindings for lemire/simdjson (and full C# port)

C++ SIMD Noise Library