benchable6

query

compare HEAD my @a = ("a".."k").pick(*).join xx 10000; my $b; for @a -> $a { $b = $a.starts-with("b" | "j") }; ||| my @a = ("a".."k").pick(*).join xx 10000; my $b; for @a -> $a { $b = ($a.starts-with("b") || $a.starts-with("j")) };

result

¦HEAD: «Benchmark: 
Timing 10 iterations of 0, 1...
         0: 5.3323 wallclock secs @ 1.8754/s (n=10)
         1: 3.6816 wallclock secs @ 2.7162/s (n=10)
O---O--------O-----O------O
|   | Rate   | 0   | 1    |
O===O========O=====O======O
| 0 | 1.88/s | --  | -31% |
| 1 | 2.72/s | 45% | --   |
---------------------------
»