Mac OS 10.5 or later running on Intel 64 Bit: 1.17 (FGRPopencl-nvidia-mav), 8:00:20 UTC: Binary Radio Pulsar Search (Arecibo) (BRP4) Platform Version Created Windows/x86: 1.34 (opencl-intel_gpu), 13:37:10 UTC: Mac OS X on PPC: 1.58 (ALTIVEC), 6:42:43 UTC: Microsoft Windows running on an AMD x86_64 or Intel.If it is, Disable the Integrated Graphics Driver but don't uninstall it and make sure the RX580 is. Go to Device Manager under Display and make sure both or your GPUs are recognized and showing as working correctly. BIOS is the best way to disable your Integrated Graphics and make your GPU card the Main Display GPU.When OS X El Capitan ships this fall we should see some big improvements in performance on our Macs thans to Metal, which is Apple's system for vastly improving how our computers handle graphics.Learn how to make use of tech and gadgets around you and discover cool stuff on the Internet.
You can also check by your self MBP 8.2 and MBP 8.3 This guide is only works with MBP 8.2 and MBP 8.3 which actually have Intel + AMD Switchable Graphics, If i recall myself then MBP8.2 is having Intel HD 3000 + AMD Radeon 6490M/6750M/6770M & MPB 8.3 is having Intel HD 3000 + AMD Radeon 6750M/6770M.