rubinius/rubinius — comment on commit 09f7ef5678740b2544859ac7b7e8b3bce7de9140
File: kernel/common/integer.rb line 103
By davorb:

Hey, when you did these changes to even and odd, where you aware of how rubinius reacts to AND-operations as opposed to MOD-operations compared with Matz ruby? Because you seem to have chosen the most optimal solution for this Ruby implementation. In Matz Ruby they do it a bit differently, but that also happens to be the most optimal way for them.

In case you have no idea what I'm talking about, check out
https://gist.github.com/1297201
https://gist.github.com/29e95a9efbd3d42326af