Bug ID: 41162
           Summary: Implement LKK remainder and divisibility algorithms
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Scalar Optimizations

New algorithms can improve the performance of remainder and divisibility. See
"Faster remainders when the divisor is a constant: beating compilers and
libdivide" at
and the paper "Faster Remainder by Direct Computation: Applications to
Compilers and Software Libraries" by Daniel Lemire, Owen Kaser, and Nathan Kurz
at .

(This has the potential to improve C++17 charconv performance.)

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