yes there are some "tricks":
- allow incoming connections
- compile your own wallet with optimisations for your cpu (-march=native -O3)
- mine with "-s 2" (getwork expire in seconds)
From what I'm understanding I'm already allowing incoming connections (listen=1). I'm mining with "-s 1". Would it make a difference to set it to 2? And if so, why?
listen=1 may not be enough, you may need to open the right port on your router/firewall or use upnp.
I found out that ccminer doesn't like -s=1 and prefers -s=2, at least on my rigs.