#! perl -w use strict; use Win32; use Benchmark; timethese ( 100, { 'Win32' => ' sleep 1', 'Std' => ' Win32::Sleep 1000' , } ); __DATA__ # output C:\test>183845 Benchmark: timing 100 iterations of Std, Win32... Std: 100 wallclock secs ( 0.00 usr + 0.00 sys = 0.00 CPU) (warning: too few iterations for a reliable count) Win32: 100 wallclock secs ( 0.00 usr + 0.00 sys = 0.00 CPU) (warning: too few iterations for a reliable count)