Faster Emulation?

I started using Desume (I think thts what it is called) and it ran heartgold fine but extremely slow. so i got no$gba but it wont run heartgold at all. problem is no$gab has the ability to modify certain settings, i was getting it to run at almost 100% speed! is there a way i can overclock a different emulator that is capable of running Heartgold? (if sound has to suffer i cld care less lol)

You could always try using cheat engine to make it run faster.