
If Your Receiving A Very Low Frame rate on Wind Waker Follow These Steps And You Should Be Good 
1. Download The Latest Development Version As it comes with a lot of performance tweaks and it is much faster then the stable version - https://dolphin-emu.org/download/
2. Right Click on the game and click 'properties' then click 'DSP HLE Emulation'
3. Then Setup The Graphics The Way You Want. I've Added Some Pictures To Show You My Setup.

1. Download The Latest Development Version As it comes with a lot of performance tweaks and it is much faster then the stable version - https://dolphin-emu.org/download/
2. Right Click on the game and click 'properties' then click 'DSP HLE Emulation'
3. Then Setup The Graphics The Way You Want. I've Added Some Pictures To Show You My Setup.