Emulator use!
To be honest, Wii U VC is actually fastest so far for both DS zeldas. We have timed the loads of TotOK for PH and it saves about a second per load so TotOK alone saves approximately 27 seconds. I know this doesn't answer your question but I just thought you might want to know this! :)
Recent runs
Level: Mini-Game & Dungeons
Level: Mini-Game & Dungeons