SIMD Repairs Malformed UTF-16 Strings 9x Faster

Daniel Lemire's new paper shows SIMD instructions (ARM NEON, x64 SSE/AVX2/AVX-512) can fix malformed UTF-16 strings about 9x faster. The technique has already landed in Chromium and Node 25.

2026-08-26 ~ 2026-08-26 · 2 related posts

• SIMD fixes malformed UTF-16 strings up to 9x faster, already in Chromium and Node 25 — lemire · 2026-08-26
• Fixing Ill-Formed UTF-16 Strings With SIMD, 9x faster — lemire · 2026-08-26