Originally Posted by stravedere
with lollipop we can expect some optimization? I refer to the user that after enabling ART ended up with 1.5 GB of free space. With delvik instead were 2.2 GB free with the factory settings.
Sorry for my english.
No, Though its true that ART on LP is much different than ART on KK, but still, it will result in more memory usage by apps than dalvik.