Nevermind - then just run 4 threads (8MB L3 cache) - each on physical core (0,2,4,6) - and You should get maximum performance for Your CPU.
Btw one additional finding - when I dual mine ETH + something on my GPUs (1070) - each card draws around 100-110W (undervolted). And its possible to surf net, do administrative work etc. But when I switch GPUs to Monero - power draw is reduced to 60-70W per card, earnings +- similar to ETH - but its no longer possible to work on computer. Its as slow as my old 486 SX 25MHz machine or even ZX Spectrum

Btw - those 1070s are doing 700-710 Hashes on Monero - so considering the price - Ryzen CPUs win (at least in my country)