Repository Index

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

• simd-intrinsics
• sse
• neon
• 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, 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

Single-header c99 accelerated float/double parsing. Port of the fast_float library.

• c
• high-performance
• neon
• parsing