cpuminer-aes-avx2 -a zoin -o stratum+tcp://hexx.suprnova.cc:2876 -u Worker.Rig -p 1979 --cpu-priority 2 -t 23
only 970 H/s after 10 min.
cpuminer-aes-avx2 -a zoin -o stratum+tcp://hexx.suprnova.cc:2876 -u Worker.Rig -p 1979 --cpu-affinity 4095 --cpu-priority 2
1176 H/s (12-core) after 10 min
Don't use affinity with default thread count, it just messes things up.
Try different affinities with 12 threads. The default should be the same as 0xffffff.