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 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.

• avx2
• c99
• cpu-inference
• deep-learning

Up to 100x faster strings for C, C++, CUDA, Python, Rust, Swift, JS, & Go, leveraging NEON, AVX2, AVX-512, SVE, GPGPU, & SWAR to accelerate search, hashing, sorting, edit distances, sketches, and memory ops 🦖

• simd
• dataset
• string
• string-manipulation

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

• simd-intrinsics
• sse
• neon
• arm

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

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

• roaring-bitmaps
• visual-studio
• c
• clang

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

CAI NEURAL API - Pascal based deep learning neural network API optimized for AVX, AVX2 and AVX512 instruction sets plus OpenCL capable devices including AMD, Intel and NVIDIA.

• pascal
• lazarus
• delphi
• free-pascal

🚀 Fast C/C++ bit population count library

• c
• cpp
• popcount
• popcnt

Pure Go production-grade regex engine with SIMD optimizations. Up to 3-3000x+ faster than stdlib.

• avx2
• dfa
• go
• golang

Fork of FastMM4 by Pierre le Riche with AVX/AVX2/AVX512 support, efficient synchronization, and FreePascal (FPC/Lazarus) compatibility

• avx2
• avx512
• delphi
• freepascal

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