perl6 -v	This is Rakudo version 2017.01 built on MoarVM version 2017.01 implementing Perl 6.c.
perl -v	This is perl 5, version 22, subversion 1 (v5.22.1) built for x86_64-linux-gnu-thread-multi
julia -v	julia version 0.4.5
python -V	Python 2.7.12
pypy -V	Python 2.7.10 (5.1.2+dfsg-1~16.04, Jun 16 2016, 17:37:42) [PyPy 5.1.2 with GCC 5.3.1 20160413]

time perl6 -e 'my $x=0; $x++ while $x < 30000000'	real 0m11.016s
time perl6 -e 'my int $x=0; $x++ while $x < 30000000'	real 0m0.380s
time perl -e '$x++ while $x < 30000000'	real 0m1.321s
time julia -e 'x=0; while x<30000000; x+=1; end'	real 0m2.239s
time python -c 'x=0 while x<30000000: x+=1'	real 0m2.824s
time pypy -c 'x=0 while x<30000000: x+=1'	real 0m0.054s

https://ru-perl.livejournal.com/445445.html