good miner for no more than 3 gpu rigs
if cards more than 3 in rig , gpu utilization fall down less 30% even though powerfull cpu (i3 , i5)
win7x64 , 417.35 , 8Gb RAM , 82 Gb swap
Exactly my findings too. This miner is relying too much on the CPU which becomes the bottleneck and can't handle more interrupt requests to GPUs ... he seems to be trying to improve this, and said v12.2.0 optimized cpu usage but i found no improvement for my 13 gpu rigs.
note: 1080ti only (3 card rigs)
i'm a 4 gpu per rig miner so migrating to 3 gpu is quite easy...assembling a 3 gpu rig and taking a gpu from other rigs makes me 4 rigs (of 3 gpus) hehe..
now, cpu observation, same settings.. q8400, q9400 and anything around that generation gives 15.x G/s, starting from AMD x3 720, x4 960T to fx 6300 can give around 16.x G/s and i7 8700k rig gives 17.x G/s
can mine at 4gb ram, 33gb page file in windows 7.
i remember back when ethminer was still the miner i'm using until claymore makes an ETH miner and continue to optimize it i noticed that my rig with a e8400 cpu has a bit lower hash rate than my q9000 series rigs even when the miner claymore made was already optimized, i replaced the cpu and hashrate increased.
