$  sudo ./build/benchmarks/benchmark -P run_to_well_formed_utf16 -F ../unicode_lipsum/wikipedia_mars/arabic.utf16.txt
Password:
We define the number of bytes to be the number of *input* bytes.
We define a 'char' to be a code point (between 1 and 4 bytes).
Using ICU version 76.1
Using iconv version 267
Compiler: Clang 15.0.0
SIMDUTF version: 6.4.2
System: arm64
===========================
testcases: 1
input detected as UTF16 little-endian
===========================
run_to_well_formed_utf16+arm64, input size: 849690, iterations: 30000, dataset: ../unicode_lipsum/wikipedia_mars/arabic.utf16.txt
   0.446 ins/byte,    0.131 cycle/byte,   27.783 GB/s (3.2 %),     3.637 GHz,    3.410 ins/cycle 
   0.893 ins/char,    0.262 cycle/char,   13.892 Gc/s (3.2 %)     2.00 byte/char  30583.0 ns
run_to_well_formed_utf16+fallback, input size: 849690, iterations: 30000, dataset: ../unicode_lipsum/wikipedia_mars/arabic.utf16.txt
   8.017 ins/byte,    1.172 cycle/byte,    3.001 GB/s (7.1 %),     3.518 GHz,    6.838 ins/cycle 
  16.033 ins/char,    2.345 cycle/char,    1.501 Gc/s (7.1 %)     2.00 byte/char 283125.0 ns

$ ./buildrelease/benchmarks/benchmark -P run_to_well_formed_utf16 -F unicode_lipsum/wikipedia_mars/arabic.utf16.txt 
We define the number of bytes to be the number of *input* bytes.
We define a 'char' to be a code point (between 1 and 4 bytes).
Using ICU version 67.1
Compiler: GCC 12.2.1
SIMDUTF version: 6.4.2
System: icelake
===========================
testcases: 1
input detected as UTF16 little-endian
===========================
run_to_well_formed_utf16+fallback, input size: 849690, iterations: 3000, dataset: unicode_lipsum/wikipedia_mars/arabic.utf16.txt
   8.000 ins/byte,    1.502 cycle/byte,    2.126 GB/s (16.9 %),     3.193 GHz,    5.326 ins/cycle 
  16.001 ins/char,    3.004 cycle/char,    1.063 Gc/s (16.9 %)     2.00 byte/char 399723.0 ns
WARNING: Measurements are noisy, try increasing iteration count (-I).
run_to_well_formed_utf16+haswell, input size: 849690, iterations: 3000, dataset: unicode_lipsum/wikipedia_mars/arabic.utf16.txt
   0.375 ins/byte,    0.173 cycle/byte,   18.444 GB/s (1.2 %),     3.199 GHz,    2.164 ins/cycle 
   0.751 ins/char,    0.347 cycle/char,    9.222 Gc/s (1.2 %)     2.00 byte/char  46069.0 ns
run_to_well_formed_utf16+icelake, input size: 849690, iterations: 3000, dataset: unicode_lipsum/wikipedia_mars/arabic.utf16.txt
   0.203 ins/byte,    0.185 cycle/byte,   16.750 GB/s (1.2 %),     3.099 GHz,    1.100 ins/cycle 
   0.407 ins/char,    0.370 cycle/char,    8.375 Gc/s (1.2 %)     2.00 byte/char  50727.0 ns
run_to_well_formed_utf16+westmere, input size: 849690, iterations: 3000, dataset: unicode_lipsum/wikipedia_mars/arabic.utf16.txt
   1.000 ins/byte,    0.226 cycle/byte,   14.177 GB/s (1.1 %),     3.198 GHz,    4.435 ins/cycle 
   2.001 ins/char,    0.451 cycle/char,    7.088 Gc/s (1.1 %)     2.00 byte/char  59935.0 ns