John Keiser

1paper

1 Paper

66.0DBApr 21Code
Validating UTF-8 In Less Than One Instruction Per Byte

John Keiser, Daniel Lemire

The majority of text is stored in UTF-8, which must be validated on ingestion. We present the lookup algorithm, which outperforms UTF-8 validation routines used in many libraries and languages by more than 10 times using commonly available SIMD instructions. To ensure reproducibility, our work is freely available as open source software.