Repository Index

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

• json
• json-parser
• simd
• avx2

ncnn is a high-performance neural network inference framework optimized for the mobile platform

• inference
• high-preformance
• simd
• arm-neon

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

• simd
• avx
• neon
• image-processing

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

• cpp11
• cpp17
• cpp-library
• high-performance

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.

• utf8
• utf16
• unicode
• simd

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.

• cpp
• parser
• url
• performance

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

• microsoft
• directx
• simd
• neon

SIMD Vector Classes for C++

• vectorization
• parallel
• simd-vector
• simd-instructions

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

• cpp17
• simd
• libstdcxx
• gcc

🚀 Fast C/C++ bit population count library

• c
• cpp
• popcount
• popcnt