KDE has always been the virtual telephony switchboard of the roaring 1920s – at least as far as breadth of configuration is concerned. And that doesn’t stop with KWin. One notable performance increasing setting has been prevalent for quite sometime – the ability to turn of compositing desktop effects for full-screen applications. Where does the performance increase hit home the hardest? Gaming. Whilst tying Intel’s Haswell platform to the proverbial whipping post, Larabel tested the following open source first-person shooters, demos, and other, with and without a desktop compositor.