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$ time ./perl6 -e 'my $s; for 1..10000 {$s+=1e0/$_**2};say $s' 1.64483407184807 real 0m1.659s user 0m1.360s sys 0m0.200s
$ time ./perl6 -e 'my $s; for 1..1000 {$s+=1/$_**2};say $s' 1.64393456668156 ... real 0m1.341s user 0m1.240s sys 0m0.096s