This is why the option " Prevent FPS from exceeding 60 (speeds up GoW)" was implemented by PPSSPP devs, a workaround to avoid rendering useless frames above 60 FPS, so we can get much better emulation performance. PPSSPP runs PSP games with a lot better internal performance than a real PSP, even while using the same PSP CPU speed, so both GoW games are almost always running at higher than 60 FPS in PPSSPP even if you see its green FPS counter always showing 60 FPS as max (this is a PPSSPP limitation). GoW PSP games had been very CPU demanding with emulators since the beginning, and this behavior is the main culprit.
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This is the same situation that happens when, for example, you play a PC game at 100FPS using a monitor with a refresh rate of 60 HZ: you will not see any visual difference (you may only get better input response) because the refresh rate is lower than your actual FPS and you will be just burning processing power. They always try to render the maximum number of frames possible, even when the game is already running at over 60 FPS.įor a real PSP this is not a problem, as the hardware can not actually reach 60FPS anywhere, but even if at some point it can do it, you wouldn't feel the extra frames because the PSP screen has a 60 HZ refresh rate.
īoth God of War games are very special in how they run on a real PSP, and therefore on PPSSPP too. I have made some great performance improvements to God of War Chains of Olympus and Ghost of Sparta, something that was long needed for these games, but let's write some background info first, if you're interested to read them.