计算代码执行时间
use Time::HiRes qw( time );
my $start = time();
#Code for which execution time is calculated
sleep(1.2);
my $end = time();
printf("Execution Time: %0.02f s\n", $end - $start);
这将以秒为单位打印代码的执行时间
use Time::HiRes qw( time );
my $start = time();
#Code for which execution time is calculated
sleep(1.2);
my $end = time();
printf("Execution Time: %0.02f s\n", $end - $start);
这将以秒为单位打印代码的执行时间