Quote from: astrosmurf on January 16, 2018, 10:26:44 AM

Hi all,

I got my first rig up and running a couple of days ago, and have noticed that the different GPU's are reporting very different speeds in the console, here's a typical excerpt:

========== Sol/s: 1729.1 Sol/W: 2.57 Avg: 1754.6 I/s: 933.9 Sh: 7.26 0.99 50
GPU3 75C Sol/s: 327.6 Sol/W: 2.84 Avg: 326.5 I/s: 174.9 Sh: 1.33 0.99 55
GPU4 75C Sol/s: 295.6 Sol/W: 2.71 Avg: 296.4 I/s: 155.2 Sh: 1.17 1.00 44
GPU2 75C Sol/s: 150.3 Sol/W: 1.32 Avg: 151.4 I/s: 81.1 Sh: 0.66 0.98 43
GPU0 74C Sol/s: 205.2 Sol/W: 1.78 Avg: 204.0 I/s: 109.1 Sh: 0.86 0.99 48
GPU1 75C Sol/s: 333.5 Sol/W: 2.86 Avg: 328.2 I/s: 175.7 Sh: 1.39 0.99 50
GPU5 76C Sol/s: 443.1 Sol/W: 3.91 Avg: 448.1 I/s: 239.3 Sh: 1.84 1.00 43
========== Sol/s: 1755.4 Sol/W: 2.57 Avg: 1754.6 I/s: 935.2 Sh: 7.26 0.99 47
GPU3 74C Sol/s: 325.5 Sol/W: 2.84 Avg: 326.5 I/s: 174.9 Sh: 1.33 0.99 55
GPU4 75C Sol/s: 292.5 Sol/W: 2.71 Avg: 296.4 I/s: 156.6 Sh: 1.17 1.00 54
GPU2 75C Sol/s: 150.4 Sol/W: 1.32 Avg: 151.4 I/s: 81.2 Sh: 0.66 0.98 60
GPU0 74C Sol/s: 209.0 Sol/W: 1.78 Avg: 204.0 I/s: 109.1 Sh: 0.86 0.99 48
GPU1 75C Sol/s: 324.0 Sol/W: 2.86 Avg: 328.2 I/s: 175.8 Sh: 1.39 0.99 51
GPU5 75C Sol/s: 437.8 Sol/W: 3.91 Avg: 448.1 I/s: 239.3 Sh: 1.83 1.00 43
========== Sol/s: 1739.1 Sol/W: 2.57 Avg: 1754.6 I/s: 936.9 Sh: 7.26 0.99 51

The rig is still a work in progress as I'm waiting for parts, but it is currently running four Palit 1060 6GB cards and two Palit 1070 OC cards. It seems like two of the cards, GPU2 and GPU0, are seriously underperforming at 150-200 Sol/s, so I'd really appreciate all advice and pointers in the right direction for the best way to improve this.

My OC settings in SMOS are currently set to this, based on recommendations in the SMOS guidelines:

Core MHz: 150

Memory MHz: 600

Power Limit (watt): 115

Target Temperature ℃: 70
Minimum Fan speed %: 50

I'm not sure if I understand correctly how OC'ing works yet, but I've seen mention of making individual OC'ing settings, like "140, 150, 130..." etc. - am I supposed to do this to tweak each individual card to it's max efficiency?

I did one attempt at setting up such a comma-separated string and saved the settings, and the miner restarted, but I did get pretty much the same results in the console, so that's why I feel very much in doubt about the right direction ahead.

All advice would be very much appreciated - advance thanks! :-)

Hello astrosmurf,

GPU's are different, you need to find the sweet spot for each one, by separating OC values.

Your temperatures are a bit too high, I suggest staying below 70℃

Also, I don't know much about 1060's, but from my knowledge, they run at max 80w, while 1070's can be operated at 110w, so make sure you separate power as well, for better efficiency.

Happy mining
Radu