Ethereum GPU mining?

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ozzy702

Golden Member
Nov 1, 2011
1,151
530
136
True. Plus early PoS should start in, what, October or November? I think some miners will want to move their hardware and use the cash to buy coins to take a whack at PoS. Rumour has it it'll take 1000 ETH minimum to stake alone. Everyone else will have to join a pool and pay fees. The top .1% will be able to stake solo.

I was under the impression that hybrid POS won't start until next summer. October will be the reduction in block times, reduced issuance and diffusing the difficulty bomb.
 

ozzy702

Golden Member
Nov 1, 2011
1,151
530
136
Got a link about PoS starting in summer? I know they've delayed a lot of things, but . . .

I'll look. It was during either the last dev meeting or the one before that. Full POS isn't scheduled at all from what I understand, just hybrid.
 

IEC

Elite Member
Super Moderator
Jun 10, 2004
14,440
5,429
136
So what you're telling me is I will be heating my home with GPUs this winter, yet again.

Not gonna complain about that
 

Feld

Senior member
Aug 6, 2015
287
95
101
Yes, proof of work is guaranteed to still be here for more than one full year yet. You may get two more winters' worth of mining before it's no longer an option.
 

Crono

Lifer
Aug 8, 2001
23,720
1,502
136
wow guys, is it me or did we get a big reduction on profits , almost 600 mh/s and only making 13$ a day, 0.05 eth/day

Yeah, this is why I sold my video cards and most of my mining hardware over past few weeks, and converted that to ether. With GPU prices inflated but the difficulty spikes (which we knew were coming) it made sense to sell. I only had a third of your mining power, though, 600MH/s is pretty nice.

I'm only mining on my main PC now. I'll probably get back into mining another cryptocurrency or ether (even fractional amounts will be worth a lot in the future) if Volta is any good (would be nice if it arrived before winter), or with newer aftermarket Vega card availability. I had a Vega 64 Air for a month... wasn't worth keeping.
 

Feld

Senior member
Aug 6, 2015
287
95
101
Difficulty hasn't changed much in the past couple weeks. The difference in profitability is because the price of all cryptos tanked due mostly to Chinese government shenanigans. I consider it a good thing because I see no reason the price drop won't be temporary just like it always has been before, and in the interim it means people will be less inclined to bring more hash power online, keeping the difficulty lower and my mining rate higher.

I'm liking the Vega 64 Liquid I got last week to replace the Fury X in my main desktop. 43.8 MH/s.
 
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Crono

Lifer
Aug 8, 2001
23,720
1,502
136
Difficulty hasn't changed much in the past couple weeks. The difference in profitability is because the price of all cryptos tanked due mostly to Chinese government shenanigans. I consider it a good thing because I see no reason the price drop won't be temporary just like it always has been before, and in the interim it means people will be less inclined to bring more hash power online, keeping the difficulty lower and my mining rate higher.

End of July the difficulty was at ~1300 TH/s. It's now at ~2300. That's fairly significant.
Granted, the difficulty has been going up fairly rapidly this entire year, but it's still a notable bump for anyone who came on board a few months ago.
 

Jose Castillo

Member
Sep 12, 2016
43
3
41
End of July the difficulty was at ~1300 TH/s. It's now at ~2300. That's fairly significant.
Granted, the difficulty has been going up fairly rapidly this entire year, but it's still a notable bump for anyone who came on board a few months ago.

back to 0.10eth per day, it seems it was a glitch at dwarfpool
 

DrMrLordX

Lifer
Apr 27, 2000
22,021
11,595
136
I'll look. It was during either the last dev meeting or the one before that. Full POS isn't scheduled at all from what I understand, just hybrid.

Okay, thanks. I was under the impression that Metropolis would bring a hybrid system where only 1 out of every 101 validations would be handled by PoS to start, and that would happen sometime in Oct or Nov 2017.
 

ozzy702

Golden Member
Nov 1, 2011
1,151
530
136
Okay, thanks. I was under the impression that Metropolis would bring a hybrid system where only 1 out of every 101 validations would be handled by PoS to start, and that would happen sometime in Oct or Nov 2017.

I believe that was the original plan but from everything I've read and specifically heard on the last dev meeting, hybrid POS won't be out until most likely next summer (no word on what % will be PoS was mentioned for next summer). Metropolis is also being split into two phases instead of just one. First phase starts soon, sometime in the next few weeks.

Phase 1 Metropolis (Byzantium) should defuse the difficulty bomb for ~ 18 months (which would mean they are hoping Casper PoS is ready by then) and will reset block times with a reduced issuance of 3 instead of 5. This will mean that mining should still barely be profitable for the next 18 months assuming the price of ETH doesn't tank.
 
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Reactions: Crono

Feld

Senior member
Aug 6, 2015
287
95
101
End of July the difficulty was at ~1300 TH/s. It's now at ~2300. That's fairly significant.
Granted, the difficulty has been going up fairly rapidly this entire year, but it's still a notable bump for anyone who came on board a few months ago.
True, but that's largely due to the difficulty bomb which will be defused with the first Metropolis fork on 3-4 weeks. Issuance will go down too, but it will still be a net improvement for miners when it happens.
 
Reactions: Crono

ozzy702

Golden Member
Nov 1, 2011
1,151
530
136
True, but that's largely due to the difficulty bomb which will be defused with the first Metropolis fork on 3-4 weeks. Issuance will go down too, but it will still be a net improvement for miners when it happens.

It will only make profitability slightly higher than now but in the long run profitability will continue to shrink, just at a much much slower rate so profitability will be stretched out long enough for Casper (PoS) to hit. Eventually, those will higher electricity rates will go negative, I'd guess in 4-6 months depending on hardware even with the difficulty bomb being defused. As they stop mining, network hashrates will drop and difficulty will increase at a slower rate probably reaching equilibrium around .06-.10 USD/kwh until PoS hits.
 
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Feld

Senior member
Aug 6, 2015
287
95
101
It will only make profitability slightly higher than now but in the long run profitability will continue to shrink, just at a much much slower rate so profitability will be stretched out long enough for Casper (PoS) to hit. Eventually, those will higher electricity rates will go negative, I'd guess in 4-6 months depending on hardware even with the difficulty bomb being defused. As they stop mining, network hashrates will drop and difficulty will increase at a slower rate probably reaching equilibrium around .06-.10 USD/kwh until PoS hits.
Sounds about right. The days of super high profitability from mining are likely to be mostly over unless the price does something truly nuts. But a reasonable return will still be available to those who already have equipment for some time yet.
 

ozzy702

Golden Member
Nov 1, 2011
1,151
530
136
Sounds about right. The days of super high profitability from mining are likely to be mostly over unless the price does something truly nuts. But a reasonable return will still be available to those who already have equipment for some time yet.

Yeah, if you have a bunch of 1070s (I do) and fairly cheap power (I do) then you'll be profitable for another year or so. I fully expect to see most miners in the red within 6 months unless the price of ETH skyrockets. Time will tell.

One thing is for sure. Nobody should be purchasing hardware to mine with. PoW mining across the board is simply not profitable. Even with free electricity there is no ROI.
 

DrMrLordX

Lifer
Apr 27, 2000
22,021
11,595
136
Only reason to mine now, is if you think the coins you get will go up later. And at that point you might be better off just buying them directly.

On the plus side, RX Vega 64 is going down in price! Now it's down to $650! Yay!

. . .

*cough*
 
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Feld

Senior member
Aug 6, 2015
287
95
101
Yeah I didn't buy my Vega 64 liquid specifically to mine with. I bought it to run my new 1440p 144Hz Freesync monitor, knowing it would be a decent miner during downtime to earn back some of the purchase price. And for that, I'm happy with it. I have cheap 100% wind power and efficient cards in my dedicated mining rigs so I'm not expecting to be unprofitable for quite some time yet. And especially during the immediate run up to proof of stake, I expect the price of ether to grow quite a bit yet. I'm fine holding out until then. If it actually becomes unprofitable to mine before then, I'll stop mining and put the money I would have spent on electricity into direct ether buys until the proof of stake run up.
 

Madpacket

Platinum Member
Nov 15, 2005
2,068
326
126
Difficulty hasn't changed much in the past couple weeks. The difference in profitability is because the price of all cryptos tanked due mostly to Chinese government shenanigans. I consider it a good thing because I see no reason the price drop won't be temporary just like it always has been before, and in the interim it means people will be less inclined to bring more hash power online, keeping the difficulty lower and my mining rate higher.

I'm liking the Vega 64 Liquid I got last week to replace the Fury X in my main desktop. 43.8 MH/s.

Mind sharing your settings to hit 43.8 MH/s?

I'm stuck at 38.8Mh on a Vega 64 Liquid Edition
 

Feld

Senior member
Aug 6, 2015
287
95
101
Mind sharing your settings to hit 43.8 MH/s?

I'm stuck at 38.8Mh on a Vega 64 Liquid Edition
Sure. I get that using the mining driver. 1102 MHz / 950 mV core, 1100 MHz / 950 mV memory, -20% power limit. Using the normal drivers I get stuck in the 30's too.

Edit: Though even with the core set at 1102, Wattman always reports it running at 1560.
 

Madpacket

Platinum Member
Nov 15, 2005
2,068
326
126
Sure. I get that using the mining driver. 1102 MHz / 950 mV core, 1100 MHz / 950 mV memory, -20% power limit. Using the normal drivers I get stuck in the 30's too.

Edit: Though even with the core set at 1102, Wattman always reports it running at 1560.

Ahh OK. Perfect I'll give that a shot. Much appreciated.

If aftermarket VEGA 56's ever hit reasonable prices I may be tempted to pick a few up. They seem like more versatile miners than the 1070's even though power consumption is still pretty high.

FWIW I finally got around to upgrading my 480 rigs to the latest Claymore 10 and AMd mining drivers. I should have done this a while ago. Feels good to be back to 175Mh at 800W from the wall again for the 6 card rigs. Overall speeds up 100+MH/s just for spending half a day upgrading software etc.

Also bought a refurbished Corsair RMi 1000W Gold last year that recently died. Thankfully it had a 1 year warranty so I RMA'd it back to Corsair and they sent me a brand new sealed unit with a 10 year warranty! Wasn't expecting that. Although I generally prefer EVGA SuperFlower LeadEx for power supplies, this was a good showing by Corsair.
 

DrMrLordX

Lifer
Apr 27, 2000
22,021
11,595
136
Corsair's customer service is generally very good. It will be a long time before I get unstuck from EVGA PSUs, but I have to admit, you do get what you pay for from Corsair if you get a bad unit.
 

Feld

Senior member
Aug 6, 2015
287
95
101
I'm happy to use either brand for mining. All my PSUs are either EVGA or Corsair. Not a hiccup yet from any of them.
 

thilanliyan

Lifer
Jun 21, 2005
11,944
2,174
126
What are you guys using to tweak Vega for eth mining?
Just got a Vega 56 and not sure what to use.
 
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Feld

Senior member
Aug 6, 2015
287
95
101
What are you guys using to tweak Vega for eth mining?
Just got a Vega 56 and not sure what to use.
Just Wattman so far. It's still a bit limited and buggy, but I don't think any third party tools like afterburner are working with Vega yet.
 
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