via_concat:  2002091114275977636
via_anonsub: 2002091114275977636
via_posix:   2002091114275977636
via_sprintf: 2002091114275977636
Benchmark: running via_anonsub, via_concat, via_posix, via_sprintf for at least 10 CPU seconds...
via_anonsub: 12 wallclock secs (10.12 usr +  0.51 sys = 10.62 CPU) @ 53156.42/s (n=564787)
 via_concat: 10 wallclock secs (10.20 usr +  0.24 sys = 10.44 CPU) @ 30435.83/s (n=317674)
  via_posix: 10 wallclock secs ( 9.57 usr +  0.93 sys = 10.50 CPU) @ 60954.29/s (n=640020)
via_sprintf: 10 wallclock secs (10.20 usr +  0.33 sys = 10.53 CPU) @ 44919.45/s (n=473058)
               Rate  via_concat via_sprintf via_anonsub   via_posix
via_concat  30436/s          --        -32%        -43%        -50%
via_sprintf 44919/s         48%          --        -15%        -26%
via_anonsub 53156/s         75%         18%          --        -13%
via_posix   60954/s        100%         36%         15%          --