perl -MTime::HiRes=time -wE"my $t=time; my @a=1..1e6;say time-$t; <>"
0.0623979568481445

##</code><code>##

perl -MTime::HiRes=time -wE"my $t=time; my @a=map $_,1..1e6;say time-$t; <>"
0.216002941131592

##</code><code>##

perl -MTime::HiRes=time -wE"my $t=time; my @a=map $_,map $_,1..1e6;say time-$t; <>"
31.4807999134064

##</code><code>##

perl -MTime::HiRes=time -wE"my $t=time; my @a=map $_,map $_,1..5e5;say time-$t; <>"
7.87800002098084