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

A Python-embedded modeling language for convex optimization problems.

• python
• cvxpy
• optimization
• modeling-language

Open-source library of optimized deep learning operations (matmul, convolution, attention) for CPUs (x64, AArch64, RISC-V) and Intel GPUs. Used by PyTorch, TensorFlow, OpenVINO, and ONNX Runtime.

• onednn
• oneapi
• performance
• cpp

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

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

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

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

• argsort
• avx2
• avx512
• quickselect

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

A few classes for extremely fast json parsing/serializing in modern C++. Possibly the fastest json parser in C++. Possibly the fastest json serializer in C++.

• cpp
• json
• json-parsing
• json-parsing-library