Dolphin, the GameCube and Wii emulator - Forums

Nope, the "OpenMP Texture Decoder" won't improve the performance, but it can fix micro stuttering

Quote:3. Modify the games .ini file if necessary to prevent it from overriding the efb copy setting
I'll let someone else elaborate on how to do number 3 because I really don't feel like writing it out right now.

Step three is not needed as NSMB does not override the EFB section with its ini.

OP: As suggested before; check your temps while playing the game and report it here.
Post your settings.