I am new to vertcoin mining. I was just wondering if anyone can help me out with my .bat file for optimal performance. I use two evga 780 acx. Here is my current bat file. i get around 445kh/s combined but it craps out after about an hour into mining. Any help would be greatly appreciated.

color 6
cudaminer.exe --algo=scrypt:2048 -H 2 -C 0 -i 0 -l t22x20,t22x20 -m 1 -d 0,1 -L 0 -o stratum+tcp://us.bitcrush.info:3444 -u user.worker -p pass