PoE isjustwrong builds

So this has been a fun build to put together and I've spent most of my currency this league on it, but I don't feel like the DPS is where I want to be. I'm sitting on 40% CDR and 146% cast speed on my temp chains. If I add the 990% cast speed to bring the PoB cast speed up to the CD value, I'm sitting at 1.8 mill dps. This seems fine for normal mapping, but about 10m short of what I would like to have for bosses.. &x200B; Are there any straight forward upgrades to this build dps? More CDR from boots, or possibly belt? I'm farming sanctum for more relics, but they are just such tras