gistfile1.txt

λ local:~$ raku -e 'use Bench; my @front = ^100; my @back = ^100; Bench.new.cmpthese(2_000_000, { pop => sub { @front.unshift(1); @front.pop() }, shift => sub { @back.push(1); @back.shift() }, });'
Benchmark:
Timing 2000000 iterations of pop, shift...
       pop: 74.150 wallclock secs (66.918 usr 9.807 sys 76.724 cpu) @ 26972.511/s (n=2000000)
     shift: 85.387 wallclock secs (77.559 usr 10.192 sys 87.750 cpu) @ 23422.720/s (n=2000000)
O-------O---------O------O-------O
|       | Rate    | pop  | shift |
O=======O=========O======O=======O
| pop   | 26973/s | --   | -55%  |
| shift | 23423/s | 122% | --    |
O-------O---------O------O-------O