#!/usr/bin/perl
use strict;
use warnings;

my @objs;
for my $i (1 .. 1_000_000) {
    # push @objs, { id => $i, name => "Object of class", number => int rand 10 };
    # push @objs, bless { id => $i, name => "Object of class", number => int rand 10 }, 'My::Class';
    # push @objs, [$i, 'Object of class', int rand 10];
    push @objs, bless [$i, 'Object of class', int rand 10], 'My::Class';
}
print `ps -v | grep ^$$`;

##</code><code>##

23235 pts/0    S+     0:00      0  2020 371111 359628  1.1 /usr/bin/perl ./1.pl
23225 pts/0    S+     0:00      0  2020 261035 249668  0.7 /usr/bin/perl ./1.pl