Windows 10 1809
AMD Vega 64 - driver version (tried) everything from 18.5.1 (recommended) to 18.10.1 (optionals)
Broken: (2.79 hash 5f8222501c2) Now all broken
Worked: All previously, now all same results
Short description of error
Rendering anything in Cycles viewport (Shift+Z) using gpu takes an excessively long time,more than it was a week ago, additionally if using camera view with render border it simply stalls forever, however once using f12 to render usually works as intended albeit slower than before. Have tested my GPU in other programs and is working as usual.
Exact steps for others to reproduce the error
Any blend file i use from default cube to any of my other work and any benchmarks like BMW will not render at the speed i was getting few weeks ago, blender is installed to C:/Program Files/Blender
Apologies if formatting is incorrect, as this is my first post here, thankyou for any assistance rendered .
Additional info: "Compiling OpenCL program split" is where the stall begins in the console window