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2018 Oct 02
3
UTF-8 conversion speed
At CPPcon last week, I saw a talk by Bob Steagall called
"Fast Conversion From UTF-8 with C++, DFAs, and SSE Intrinsics."
Part of this talk included data from a half-dozen or so conversion
libraries... one of which was labeled "LLVM".
The LLVM converters were invariably the slowest.
On Windows, the mbtowc (or something like that) syscall was pretty good.
Steagall's