Add "FastEmulatedGPU" compat flag. For games like Outrun that have intermittent slowdowns on hardware, it's unnecessary under emulation.

Core/Compatibility.cpp

@@ -163,6 +163,7 @@ void Compatibility::CheckSettings(IniFile &iniFile, const std::string &gameID) {
 	CheckSetting(iniFile, gameID, "BoostExactFramebufferMatch", &flags_.BoostExactFramebufferMatch);
 	CheckSetting(iniFile, gameID, "PersistentFramebuffers", &flags_.PersistentFramebuffers);
 	CheckSetting(iniFile, gameID, "FileCreatedTimeHack", &flags_.FileCreatedTimeHack);
+	CheckSetting(iniFile, gameID, "FastEmulatedGPU", &flags_.FastEmulatedGPU);
 }
 
 void Compatibility::CheckVRSettings(IniFile &iniFile, const std::string &gameID) {

Core/Compatibility.h

@@ -122,6 +122,7 @@ struct CompatFlags {
 	bool BoostExactFramebufferMatch;
 	bool PersistentFramebuffers;
 	bool FileCreatedTimeHack;
+	bool FastEmulatedGPU;
 };
 
 struct VRCompat {

GPU/GPUCommonHW.cpp

@@ -1290,7 +1290,10 @@ bail:
 
 	int cycles = vertexCost_ * totalVertCount;
 	gpuStats.vertexGPUCycles += cycles;
-	cyclesExecuted += cycles;
+
+	if (!PSP_CoreParameter().compat.flags().FastEmulatedGPU) {
+		cyclesExecuted += cycles;
+	}
 }
 
 void GPUCommonHW::Execute_Bezier(u32 op, u32 diff) {

assets/compat.ini

@@ -2140,3 +2140,10 @@ NPUZ00006 = true  # MJA 2
 # Silent Hill: Shattered Memories does some strange checks of the file-created time, which won't pass on some platforms. See issue #13781
 ULES01352 = true
 ULUS10450 = true
+
+[FastEmulatedGPU]
+# Crude hack that makes the emulated GPU appear a lot faster, removing internal slowdowns in games. This makes Outrun stick to 60fps.
+# Outrun 2006: Coast to Coast - issue #11358 (car reflections)
+ULES00262 = true
+ULUS10064 = true
+ULKS46087 = true