Oh, I guess it applies to methods as well.
On 2017-10-14 20:10:15, alex.jakime...@gmail.com wrote:
> Code:
> sub f1($a, $, $, $, $, $) { 1 };
> my $s;
> $s += f1($_, $_, $_, $_, $_, $_) for ^1_000_000;
> say now - BEGIN now
>
> Result:
> 0.43209886
>
>
> Code:
> sub f2($a, $b1, $b2, $b3, $b4, $b5) { 1 };
> my $s;
> $s += f2($_, $_, $_, $_, $_, $_) for ^1_000_000;
> say now - BEGIN now
>
> Result:
> 0.6635439
>
>
> None of the params are used but still replacing them with just $ makes
> things run faster.
>
> The difference is measurable and you can increase the number of loops
> to observe it even better.
>
>
> This ticket is motivated by a pull request which used that observation
> to speed things up in rakudo:
> https://github.com/rakudo/rakudo/pull/1196
>
>
> This is Rakudo version 2017.09-375-ga0f29e0df built on MoarVM version
> 2017.09.1-594-gb9d3f6da
> implementing Perl 6.c.
