With a 8 core processor, should -t 8 or higher number be used?
Again 2 gpu rig
Thnx for your other tips with set max, it seems to work on -hc 256
The best approach is to test how it works on your hardware

If CPU is slow and GPUs are fast, "-t 8" may help. Otherwise it is useless.
With t8 cpu load is 40-50%, now gpu load is 97%
Not tried without t8 yet...
When you mention we need to mine 24hours before speed is picking up, is that the flow of coins in pool, or the acual mining speed your talking about?
If its mining speed, we loose alot of performance messing around with tuning the cards, and stock settings is a better aproach?
Thnx
edit: cpu load is 40-50% with -t 8 -ss 0