I’m playing The Legend of Zelda: Twilight Princess. This title is known to slow down considerably in certain areas. A patch exists that can be enabled via a tab in Dolphin. How do you enable the Hyrule Field Speed Hack for use in RetroArch?
https://wiki.dolphin-emu.org/index.php?title=The_Legend_of_Zelda:Twilight_Princess(GC)