Oh yeah, sorry. Didn't even notice that there was already compiled JITs for PPU and SPU! Constant 35 fps for me too now.
However, after a while of running around, the game crashed, console log: E {PPU[1] Thread (main_thread)[0x000722ac]} cellGcmSys error: Bad flip!
However, after a while of running around, the game crashed, console log: E {PPU[1] Thread (main_thread)[0x000722ac]} cellGcmSys error: Bad flip!
i7-4470K, GTX 660 Ti, 8 GB DDR3, Kingston 256 GB HyperX SSD, Windows 8.1 (64-bit)