avx2

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

A 2.78-trillion-parameter Kimi K3 running inference on a single CPU in 8.24 GB of RAM. Portable C99: no BLAS, no framework, no GPU.

Performance-portable, length-agnostic SIMD with runtime dispatch

Fast inference engine for Transformer models

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

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

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, Ghostty and Bun.

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

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

SIMD Vector Classes for C++

Expressive Vector Engine - SIMD in C++ Goes Brrrr

Portable header-only C++ low level SIMD library

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

SIMD Library for Evaluating Elementary Functions, vectorized libm and DFT

Fastest Integer Compression

SIMD-accelerated UTF-8 validation for Rust.

Chromium browser compiled with the Clang/LLVM compiler.