I am inclined to consider your laziness as false laziness. The problem is that while you type less characters, you cause the CPU to work more:

use Benchmark;

timethese(-2, {
   inhouse   => sub { $_ = scalar localtime },
   outsource => sub { $_ = `date` },
});
[download]

jeffa

L-LL-L--L-LL-L--L-LL-L--
-R--R-RR-R--R-RR-R--R-RR
B--B--B--B--B--B--B--B--
H---H---H---H---H---H---
(the triplet paradiddle with high-hat)