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Fast Unicode normalization and case folding routines for UTF-8 and UTF-16 using SIMD. All in a small, simple C library.

10 starsC

xxUTF – SIMD Unicode Normalization

by dzfrias·May 31, 2026·13 points·1 comment
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AI Analysis

●●SolidWizardryNiche Gem

Fastest open-source SIMD Unicode normalization with SQLite-style single-header distribution.

Strengths
  • •Zero allocations, no libc dependency, cannot fail — predictable embedded-friendly API.
  • •Comprehensive testing with Unicode test suites plus fuzzing for correctness.
  • •Amalgamation distribution model means drop-in single header like SQLite.
Weaknesses
  • •Niche audience — most developers won't need raw Unicode normalization speed.
  • •ICU and other established libraries already solve this for general use cases.
Target Audience

Systems programmers, library authors, text processing engineers

Similar To

ICU · utf8proc · simdutf

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