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

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

Performance-portable, length-agnostic SIMD with runtime dispatch

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, and StarRocks

SIMD Vector Classes for C++

Portable header-only C++ low level SIMD library

Unicode routines (UTF8, UTF16, UTF32) and Base64: billions of characters per second using SSE2, AVX2, NEON, AVX-512, RISC-V Vector Extension. Part of Node.js and Bun.

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

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

Expressive Vector Engine - SIMD in C++ Goes Brrrr

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

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

Fastest Integer Compression

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 📐

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

C++ SIMD Noise Library

SIMD-accelerated UTF-8 validation for Rust.