Optimization of the 7970 and 570 (and 460)

[Al]

Both GPUs in the same system?

Nope, but they are both AMD cpus.

Edit: Anyone have good results with GTX 460 & 570 cards?

Single 570 system - Before 1540 seconds ---> After Optimization 1263 seconds @850 1159 seconds @ 900
Dual 570 system - Before 1933 seconds ----> After Optimization 1393 seconds @ 850 (These are averages over the 2 gpus over 40 wus)

Edit:
I can't really give you good times on the 460 because of a heat issue (fubar cooler) I have to decrease volts to 900 and clock to 600 to keep it below 90c, but here goes:
460 @ 600 clock speed, memory 1800 ---> 4622 seconds (way to long)
460@ 625 clock speed, memory @ 1800 and optimized ----> 2818 seconds
Nothing else changed besides the clock speed and even being downclocked it decreased times by 1800 seconds, give it 1500 for the slightly higher clock and it's still worth doing.