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1. simdutf simdutf Public

   Unicode routines (UTF8, UTF16, UTF32) and Base64: billions of characters per second using SSE2, AVX2, NEON, AVX-512, RISC-V Vector Extension. Part of Node.js and Bun.

   C++ 962 60

2. is_utf8 is_utf8 Public

   Fast C++ function "is_utf8": checks if the input is valid UTF-8. Made of a single source file. Optimized for ARM NEON, x64 SSE, AVX2 and AVX-512.

   C++ 44 5