been at grinmint since day one. no problems at all with payouts that were not of my own making. i payout via email to my own wallet. wallet and node are on a ubuntu 18.04LTS machine.
using bminer 14.1 in both a win10 1709 and the Ubuntu rig.
Agree, grinmint is fine, apart from the rewards payout.
It reports a lower graph rate, than any other pool - using with the same hardware.
I would love to support it also (being the official), but I will go for the most shares.
You can check this difference for yourself, if you switch pool of course.
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If I'm not mistaken, that screenshot is getting 17 G/s via two 2080ti's.
Just launched nbminer, and it would appear that bminer is more optimal so far, for the 2080ti.
https://i.imgur.com/r3vSTnW.jpgvs
I don't know, I saw on the link I sent you the other day that screenshot and report, and send it for you to try and verify.
I don't own a 2080ti, but their latest version supposedly gives a special boost to Turing cards (2080ti).