I tweaked it to provide me 500 Kh/s while mining NeoScrypt on a measly old HD 7950 running at 1060/1470. Here's my bat file if anyone's interested.
Code:
setx GPU_FORCE_64BIT_PTR 1
setx GPU_MAX_HEAP_SIZE 100
setx GPU_USE_SYNC_OBJECTS 1
setx GPU_MAX_ALLOC_PERCENT 100
setx GPU_SINGLE_ALLOC_PERCENT 100
GatelessGate.exe --api-port 14028 --api-listen -k neoscrypt -o stratum+tcp://yourdesiredpool.com:port -u username.worker -p x -g 1 -w 384 --xintensity 32 --gpu-memclock 1470 --gpu-engine 1060 --expiry 24 --queue 1 --scan-time 12 --gpu-platform 0
Pause
Tip: you can set the work size higher for even better hashrate!