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Author Topic: 1080 Ti mining OC and power?  (Read 35409 times)
philipma1957
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June 03, 2017, 07:58:03 PM
 #41

Silly question but what's Skein? I googled and nothing useful came up. Is it a currency? what's the exchange rate? I can't find any info, no wallet for it or anything.

Skein is a POW mining algorithm used by a couple coins like Skeincoin, Digibyte and Myriadcoin

http://cryptomining-blog.com/tag/skein/
Yhanks. And how do you find the exchange rate? Which one has the highest value for mining using gtx 1080?

mine it here

http://zpool.ca/


this is a 2 card 1070 rig mining it

http://zpool.ca/?address=16yLHLoeyuCLPMXkVpC3gyrRYvwRGwjKJr

money converts direct to btc.

I mine alt coins with https://simplemining.net...
I see BTC as the super highway and alt coins as taxis and trucks needed to move transactions.
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Tuner77
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June 03, 2017, 11:45:20 PM
 #42

How are the mining results after OC and with what power targets, fans, and temps?

I'm getting 980Mh/s skein, but hot as a sidewalk in July. Fan at 85%, temp 75c, power 100, core +200, mem -502. Can't get the old smi -ac trick to work; says gpu can't be changed. Someone's gotta know if that's a Ti issue, or if I'm missing some new step.

http://imgur.com/a/y5d36
philipma1957
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June 04, 2017, 12:27:52 AM
 #43

How are the mining results after OC and with what power targets, fans, and temps?

I'm getting 980Mh/s skein, but hot as a sidewalk in July. Fan at 85%, temp 75c, power 100, core +200, mem -502. Can't get the old smi -ac trick to work; says gpu can't be changed. Someone's gotta know if that's a Ti issue, or if I'm missing some new step.





what are you doing to set it. msi afterburner?

100%  tdp = waste

75% tdp
+225 core
-300 memory
75% fan

should do about the same  hash with lower power use.

I mine alt coins with https://simplemining.net...
I see BTC as the super highway and alt coins as taxis and trucks needed to move transactions.
Tuner77
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June 04, 2017, 12:39:59 AM
 #44

100%  tdp = waste

Yeah, I was just posting my max settings. I can get it to hit 1k but it's too hot and too expensive. 80% power gives me 910, so 7% reduction in speed for -20% power. I may go a little lower, not sure. For this card I'm not power conscious. I just wish I could get that 10% bump from smi -ac. It was easy peasy with the 1080's. smi says no dice on my ti. Any other fine-tuning tips for a ti? I've been amd for a year, so I'm trying to remember where I left off. Last year it looked like cuda was a bad play. Wish I'd held all those vtc, lbc, etc. But that's trading/investing, not mining.
philipma1957
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June 04, 2017, 12:46:33 AM
 #45

100%  tdp = waste

Yeah, I was just posting my max settings. I can get it to hit 1k but it's too hot and too expensive. 80% power gives me 910, so 7% reduction in speed for -20% power. I may go a little lower, not sure. For this card I'm not power conscious, but I'm doing a 7x1080ti rig, and I'll definitely drop that to the sweet point. I just wish I could get that 10% bump from smi -ac. It was easy peasy with the 1080's. smi says no dice on my ti. Any other fine-tuning tips for a ti? I've been amd for a year, so I'm trying to remember where I left off. Last year it looked like cuda was a bad play. Wish I'd held all those vtc, lbc, etc. But that's trading/investing, not mining.



Find  your core max   on a Founders Card  it is 220 to 290

memory is not important  lower the better  -500  -400 -300  all good  save some power  some  founder cards will let you do

tdp 70%
core 290
mem -500
fan     75%

those settings save power and get into the 935 area  only a few of my founder cards do that.

I mine alt coins with https://simplemining.net...
I see BTC as the super highway and alt coins as taxis and trucks needed to move transactions.
Tuner77
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June 04, 2017, 02:07:47 AM
 #46


Hey Philip, I got to thinking, unlike last year where power saving on a 1080 made sense because payout was tiny, the payout is so high right now that power saving is a real loss if it pulls your hashrate down even a small amount. Can you check my math here?

A 1080 Ti at 250W at $0.1/kwh is only costing about $.70 a day ($0.60, but add some for the system). If you cut power cost by 20%, you save $0.14. Chump change.

A 20% cut in power results in a 7% cut in hashrate on my 1080 Ti. At $15/day, that's $1.05. Real money.

philipma1957
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June 04, 2017, 02:33:26 AM
 #47


Hey Philip, I got to thinking, unlike last year where power saving on a 1080 made sense because payout was tiny, the payout is so high right now that power saving is a real loss if it pulls your hashrate down even a small amount. Can you check my math here?

A 1080 Ti at 250W at $0.1/kwh is only costing about $.70 a day ($0.60, but add some for the system). If you cut power cost by 20%, you save $0.14. Chump change.

A 20% cut in power results in a 7% cut in hashrate on my 1080 Ti. At $15/day, that's $1.05. Real money.



yeah  and over heat burn a card .

At the moment  I have in my 90f garage    4 rigs 

using 3 1070's  and 10 1080ti's   pulling 10 amps = 2400 watts.  for 10.1gh-11 gh

If I jack it all up  and run at 85%   vs 70%   I will boost 10 % hash for  a 20% power boost   as 70 to 85 is a 20 %

my watts will go to  at least 2900  and my cooling is indirect ac as I have not been able to run in my garage for year in the summer.  But these profits are so high  I can do it.

I made .06 btc  today that is  150 usd 

So in my case if I crank  everything up  and earn  165 usd

it is 4500 a month vs 4950   just 1 thing breaks  and poof goes the extra  450.

I am in the game long term.  So If I run trouble free  and earn

 4500 June
 4000 July
 3500 Aug
12,000  easy peasy  no break downs

vs balls to the wall

4900
4400
3900 
13200   earnings   or maybe  2000  less say 11200 due to dead gear   I take the easy route.

I have had to wait  90 days on a mobo rma and   3 weeks on a video card if I kill a few 1080

cards they may make me wait months for replacements.


I see zero reason to mine at 85 % or higher power vs 70%

I mine alt coins with https://simplemining.net...
I see BTC as the super highway and alt coins as taxis and trucks needed to move transactions.
Tuner77
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June 04, 2017, 03:59:15 AM
 #48

Makes sense! Guess I've been lucky pushing hardware. 10x1080ti = nice! I'm still nervous about cuda. Last year they paid good for a few months then terrible compared to Polaris. Even now a $250 Polaris card yields $4.50/day. Most cuda coins are averaging $7-9 on a $750 card. Dgp being a nice exception (until the diff skyrockets like it already is).
NetopyrMan
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June 04, 2017, 08:30:58 AM
 #49

what are you doing to set it. msi afterburner?

100%  tdp = waste

75% tdp
+225 core
-300 memory
75% fan

should do about the same  hash with lower power use.

hehe i had same feeling ... dont lower TDP you are loosing so much hashrates ... 75% tdp +220core = 870mh/s (180w) ... 100% tdp +220 = 1024mh/s (248w) ... those 60watts are 1 cent in hour so i realy dont know, why undervolt 1080ti ...
lexele
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June 04, 2017, 08:35:52 AM
 #50

Makes sense! Guess I've been lucky pushing hardware. 10x1080ti = nice! I'm still nervous about cuda. Last year they paid good for a few months then terrible compared to Polaris. Even now a $250 Polaris card yields $4.50/day. Most cuda coins are averaging $7-9 on a $750 card. Dgp being a nice exception (until the diff skyrockets like it already is).

That's why I go half Nvidia and half AMD...
For the moment I have only 1070's and i'm thinking about 1080ti's, but a 1070 would be ok if I have to switch to ETH+SIA not the 1080ti (3x amd price for about the same revenu is too expensive compared to x2 on 1070).
lexele
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June 04, 2017, 08:40:31 AM
 #51


hehe i had same feeling ... dont lower TDP you are loosing so much hashrates ... 75% tdp +220core = 870mh/s (180w) ... 100% tdp +220 = 1024mh/s (248w) ... those 60watts are 1 cent in hour so i realy dont know, why undervolt 1080ti ...

so,
1080TI: 1024Mh/s at 248W
1070: 500-510 at 100 to 112W (what I see on my rig depends of the card).

means 1080ti is worth it only if you need more density.
laxx82
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June 04, 2017, 10:12:05 AM
 #52

Hi there,

i am currently using ccminer-2.0-release-x64-cuda-8.0 on my 1080ti and getting around 650-720 MH/s with skein algo and power targets 70-100%. How do you get 1000+ ?

Is skein the best way to mine with 1080ti? What do u think about lyra2v2 ?

Tuner77
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June 04, 2017, 02:23:41 PM
 #53


hehe i had same feeling ... dont lower TDP you are loosing so much hashrates ... 75% tdp +220core = 870mh/s (180w) ... 100% tdp +220 = 1024mh/s (248w) ... those 60watts are 1 cent in hour so i realy dont know, why undervolt 1080ti ...

so,
1080TI: 1024Mh/s at 248W
1070: 500-510 at 100 to 112W (what I see on my rig depends of the card).

means 1080ti is worth it only if you need more density.

1070 = Half the price, half the hash. But good call about versatility w/ETH+SIA.
1080ti = Half the space, half the problems.
oup59
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June 04, 2017, 02:59:17 PM
 #54

I have GTX980Ti and looking to mine something with it to experience Nvida mining. It is not power efficient but I should mine around GTX 1070.

I plan to get 2x1080Ti to use my computer as a mining rig when it is idle (like 20 hours a day)

Since it is a regular case (I will use it as open frame though) and I have 750W PSU in it 2x1080ti is what I can go top.

I travelled through posts and ZCash and Skein look nice to mine.

Which mining software dou guys suggest on which pool?

CCminer, Multiminer, Nicehash, NemosMiner?
Zpool, Yiimp, Multihubpool?

Thanks.
NetopyrMan
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June 04, 2017, 03:03:35 PM
 #55

Hi there,

i am currently using ccminer-2.0-release-x64-cuda-8.0 on my 1080ti and getting around 650-720 MH/s with skein algo and power targets 70-100%. How do you get 1000+ ?


try thisone https://bitcointalk.org/index.php?topic=826901.0
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June 04, 2017, 07:49:27 PM
 #56

Thank you, mate. This one is doing the 1M  Smiley
creat326
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June 05, 2017, 06:26:15 PM
 #57

ok i'm trying ccminer but how do I set it up to use skein? I'm checking the help
https://github.com/sp-hash/ccminer/blob/windows/README.txt

And not much help, looks foreigner to me.

I've tried this
ccminer -a skein -o stratum+tcp://skein.mine.zpool.ca:4933 -u 1PmA6g1TyYdCFEM252PTy84droymFeshsJ

but then I get error:
[2017-06-05 20:37:22] Starting Stratum on stratum+tcp://skein.mine.zpool.ca:4933
[2017-06-05 20:37:22] NVAPI GPU monitoring enabled.
[2017-06-05 20:37:22] 1 miner thread started, using 'skein' algorithm.
[2017-06-05 20:37:22] Binding thread 0 to cpu 0 (mask 1)
[2017-06-05 20:37:23] Stratum difficulty set to 0.1
[2017-06-05 20:37:32] skein.mine.zpool.ca:4933 skein block 4615340
[2017-06-05 20:37:32] GPU #0: cuda_check_cpu_init all CUDA-capable devices are busy or unavailable
Cuda error in func 'skein512_cpu_setBlock_80' at line 2762 : all CUDA-capable devices are busy or unavailable.

And that when it gives me an error. Sometimes it gives no error and it just exit without running anything.

It's my first time trying to do this so I'm not sure if I need more parameters to ccminer or i'm giving something wrong. You guys are the experts, how do you run this thing?

Thanks
creat326
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June 05, 2017, 09:18:14 PM
 #58

Thank you, mate. This one is doing the 1M  Smiley


which one did you pick? I'm trying the cude 7.5 version and I get around 700... not able to hit 1M
I also tried LBRY but no output is displayed when I set the algorithm to skein so I don't know what's the speed.
creat326
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June 06, 2017, 11:29:43 PM
 #59

also, you don't allow for programs to pick the best currency to mine instead of just placing skein by default?
Like for instance this: https://bitcointalk.org/index.php?topic=1777336.0
it doesn't work well?
Tuner77
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June 07, 2017, 05:26:17 PM
 #60

Anyone know why What To Mine's main GPU comparison page shows DGB-Groestl(DGB) with "Myriad-Groestl" and a black circle with an "i" in it? (can't click on it). It's listed as the top GPU coin/algo for CUDA, but seems to report a value higher than what I get. If I mine with Groestl, I get about 110Mh/s per 1080Ti, and I get the exact same speed with myriad-groestl, and the same payout, both of which are lower than WTM's comparison page reports.

When you click on "DGB-Groestl(DGB)" and enter your values on that page, it shows a lower payout than on the main comparison page, and it's more accurate with actual pool earnings, but doesn't mention myriad-groestl, only groestl. There is no page to specifically for Myriad-Groestl-DGB (that I can find).

I'm not even mining DGB with either algo (using skein). I just want to make sure there isn't a myriad-groestl miner out there that gets much higher values than skein.
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