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

MACE is a deep learning inference framework optimized for mobile heterogeneous computing platforms.

Fast inference engine for Transformer models

The Compute Library is a set of computer vision and machine learning functions optimised for both Arm CPUs and GPUs using SIMD technologies.

C++ wrappers for SIMD intrinsics and parallelized, optimized mathematical functions (SSE, AVX, AVX512, NEON, SVE, WebAssembly, VSX, RISC-V))

C++ image processing and machine learning library with using of SIMD: SSE, AVX, AVX-512, AMX for x86/x64, NEON for ARM.

Fast and exact implementation of the C++ from_chars functions for number types: 4x to 10x faster than strtod, part of GCC 12, MySQL, Chromium, Redis and WebKit/Safari

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

WHATWG-compliant and fast URL parser written in modern C++, part of Internet Archive, Node.js, Clickhouse, Redpanda, Kong, Telegram, Adguard, Datadog and Cloudflare Workers.

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.

SIMD Vector Classes for C++

A translator from Intel SSE intrinsics to Arm/Aarch64 NEON implementation

Portable header-only C++ low level SIMD library

Expressive Vector Engine - SIMD in C++ Goes Brrrr

Math library using HLSL syntax with multiplatform SIMD support

std::experimental::simd for GCC [ISO/IEC TS 19570:2018]

C++ SIMD Noise Library

FlyCV is a high-performance library for processing computer visual tasks.

Portable wrapper for SIMD and vector instructions written in C++11. Compatible with NEON, SSE, AVX, AVX-512 and SVE (length specific).