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Author Topic: [40+ PH] SlushPool (slushpool.com); World's First Mining Pool  (Read 3859033 times)
Trongersoll
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February 13, 2014, 03:43:22 AM
 #14881

Ok, since everyone is looking for something to blame, here is something to think about. The Pool's adjusted difficulty seems to be adjusted in steps. A certain hashrate range gets a certain difficulty. Cross the border by even one hash and you get then next difficulty. Does a hashrate at the low end of the range for a given difficulty receive fewer shares than the hashrate at the high end of the range because it has fewer finds to submit? An example, becuase i think i stated this awkwardly.

I have a miner that shows 36 Gh/s on CGminer and shows about 31 - 33 Gh/s on the Pool. This is about a 10% difference which i think is acceptable. But, all my other miners which are in the 10 - 12 Gh/s range show exactly the expected hashrate.

I'm thinking that perhaps if my 36 Gh/s miner were on the high side of the range for it's difficulty, it's hashrate would be more accurate.

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eoakland
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February 13, 2014, 03:57:34 AM
 #14882

Ok, since everyone is looking for something to blame, here is something to think about. The Pool's adjusted difficulty seems to be adjusted in steps. A certain hashrate range gets a certain difficulty. Cross the border by even one hash and you get then next difficulty. Does a hashrate at the low end of the range for a given difficulty receive fewer shares than the hashrate at the high end of the range because it has fewer finds to submit? An example, becuase i think i stated this awkwardly.

I have a miner that shows 36 Gh/s on CGminer and shows about 31 - 33 Gh/s on the Pool. This is about a 10% difference which i think is acceptable. But, all my other miners which are in the 10 - 12 Gh/s range show exactly the expected hashrate.

I'm thinking that perhaps if my 36 Gh/s miner were on the high side of the range for it's difficulty, it's hashrate would be more accurate.

factor in the HW error rate if your hashing is off.  so even if your 36 says it's going 36 it still loses on hw failure.   FYI, since i bailed, i have more than doubled what i would have made if i stayed with slush.  i think there are other technical behind the scene issues at work other than "bad luck".   but that is just my opinion. 

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February 13, 2014, 04:02:11 AM
 #14883

If this: http://blockorigin.pfoe.be/chart.php is to be believed then I think if you knew the hash power at GHash.IO which has 31.3% and  Slush's which is 3.5% you could easily see if the "luck" is across the board. Does GHash.IO have roughly 10x the Ghash/s as we have here?

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February 13, 2014, 04:04:24 AM
 #14884

Ok, since everyone is looking for something to blame, here is something to think about. The Pool's adjusted difficulty seems to be adjusted in steps. A certain hashrate range gets a certain difficulty. Cross the border by even one hash and you get then next difficulty. Does a hashrate at the low end of the range for a given difficulty receive fewer shares than the hashrate at the high end of the range because it has fewer finds to submit? An example, becuase i think i stated this awkwardly.

I have a miner that shows 36 Gh/s on CGminer and shows about 31 - 33 Gh/s on the Pool. This is about a 10% difference which i think is acceptable. But, all my other miners which are in the 10 - 12 Gh/s range show exactly the expected hashrate.

I'm thinking that perhaps if my 36 Gh/s miner were on the high side of the range for it's difficulty, it's hashrate would be more accurate.

factor in the HW error rate if your hashing is off.  so even if your 36 says it's going 36 it still loses on hw failure.   FYI, since i bailed, i have more than doubled what i would have made if i stayed with slush.  i think there are other technical behind the scene issues at work other than "bad luck".   but that is just my opinion. 

Have to agree with eoakland on this one. I've been watching Slush's pool for over 3 months. I've never seen it like this. Granted The pool has been around much longer. I have never noticed the number drop like this, then again I'm still very new to the scene.

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February 13, 2014, 04:05:32 AM
 #14885

Ok, since everyone is looking for something to blame, here is something to think about. The Pool's adjusted difficulty seems to be adjusted in steps. A certain hashrate range gets a certain difficulty. Cross the border by even one hash and you get then next difficulty. Does a hashrate at the low end of the range for a given difficulty receive fewer shares than the hashrate at the high end of the range because it has fewer finds to submit? An example, becuase i think i stated this awkwardly.

I have a miner that shows 36 Gh/s on CGminer and shows about 31 - 33 Gh/s on the Pool. This is about a 10% difference which i think is acceptable. But, all my other miners which are in the 10 - 12 Gh/s range show exactly the expected hashrate.

I'm thinking that perhaps if my 36 Gh/s miner were on the high side of the range for it's difficulty, it's hashrate would be more accurate.

factor in the HW error rate if your hashing is off.  so even if your 36 says it's going 36 it still loses on hw failure.   FYI, since i bailed, i have more than doubled what i would have made if i stayed with slush.  i think there are other technical behind the scene issues at work other than "bad luck".   but that is just my opinion. 

Where did you bail too that had this wondrous fortune that you speak of?  Cheesy

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February 13, 2014, 04:26:51 AM
 #14886

Ok, since everyone is looking for something to blame, here is something to think about. The Pool's adjusted difficulty seems to be adjusted in steps. A certain hashrate range gets a certain difficulty. Cross the border by even one hash and you get then next difficulty. Does a hashrate at the low end of the range for a given difficulty receive fewer shares than the hashrate at the high end of the range because it has fewer finds to submit? An example, becuase i think i stated this awkwardly.

I have a miner that shows 36 Gh/s on CGminer and shows about 31 - 33 Gh/s on the Pool. This is about a 10% difference which i think is acceptable. But, all my other miners which are in the 10 - 12 Gh/s range show exactly the expected hashrate.

I'm thinking that perhaps if my 36 Gh/s miner were on the high side of the range for it's difficulty, it's hashrate would be more accurate.

factor in the HW error rate if your hashing is off.  so even if your 36 says it's going 36 it still loses on hw failure.   FYI, since i bailed, i have more than doubled what i would have made if i stayed with slush.  i think there are other technical behind the scene issues at work other than "bad luck".   but that is just my opinion. 

Where did you bail too that had this wondrous fortune that you speak of?  Cheesy

i split time with ghash and btc guild (by fluke, as i have it as my failover)

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February 13, 2014, 05:17:36 AM
 #14887

something just reset on the pool.  estimated payout just went to 1/4 of what is usual. .  its slowly recovering again so won't be an issue if the round doesn't end in the next 5-10 minutes. .   but something does appear to be up with stability as this happened a couple days ago as well. . generally not an issue unless the round ends when all the numbers are off. . .

And yes, I imagine if you were in another pool the last few days, you probably would have made 3x more than here because the pool luck has really hammered that this week. .   I'm off about 60% over previous expected results mainly due to these long blocks. .

Whats also crazy is that I think the pool looks to be down about 710Th - thats almost 200TH loss in the last few days. . .so payouts are probably edging up, but times are going to be longer. . that still doesn't offset the run of bad luck this week though.
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February 13, 2014, 03:08:34 PM
 #14888

I have been running 5 antminer u1's for 2 or 3 weeks now and I have a USB fan to cool them. When I started using them I noticed based on the site for the pool I was getting about 7 to 8 Mhash/s. Now I'm getting just over 6. Is this due to difficulty going up or do I have a miner about to fail?
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February 13, 2014, 03:29:14 PM
 #14889

I have been running 5 antminer u1's for 2 or 3 weeks now and I have a USB fan to cool them. When I started using them I noticed based on the site for the pool I was getting about 7 to 8 Mhash/s. Now I'm getting just over 6. Is this due to difficulty going up or do I have a miner about to fail?

if you are only getting 7 or 8 MH there is something really wrong. you should getting GH
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February 13, 2014, 04:06:23 PM
 #14890

I have been running 5 antminer u1's for 2 or 3 weeks now and I have a USB fan to cool them. When I started using them I noticed based on the site for the pool I was getting about 7 to 8 Mhash/s. Now I'm getting just over 6. Is this due to difficulty going up or do I have a miner about to fail?

if you are only getting 7 or 8 MH there is something really wrong. you should getting GH

And if Gh, then yes - it would seem one (or all) are not up to par. I am not sure what software you are using for that, but if possible could you run them individually? If you could , and then could set each one up for a mining instance then you could compare them to each other.
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February 13, 2014, 04:08:05 PM
 #14891

I'm using 3 Antminers since today. (They give me about 1.9 Gh each, not overclocked yet- will do in a couple of days) And I'm using a 60 Gh ButterflyLab miner. (That's flat out !)
Beware to use thew right driver before you start mining. To get all my devices running like they should cost me a lot of blood sweat and tears. Try Youtube for some info. I am running all my miners on BFGMiner now. Saving money to buy about 300 Gh extra mining power in the next couple of months. Slush is my first and favorite mining pool !
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February 13, 2014, 04:11:29 PM
 #14892

I have been running 5 antminer u1's for 2 or 3 weeks now and I have a USB fan to cool them. When I started using them I noticed based on the site for the pool I was getting about 7 to 8 Mhash/s. Now I'm getting just over 6. Is this due to difficulty going up or do I have a miner about to fail?

Hello
I'm running 6 U1's and used to get 12gh/s (11.95/12.03) for weeks and suddenly i get 11.30 at its best...
They are easy to overclock up to 2gh/s, easy ans stable.

Where does this drop come from, deeply thx guyz.

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shazo
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February 13, 2014, 04:58:38 PM
 #14893

Sorry still half a sleep that would be Ghash. The site only shows it as 6600Mhash/s as of right now so I'm guessing that would be 6.6 Ghash.

Also I'm running them all on bfgminer and not over clocked.  I will check what it says they are at when I get home.  They seem to bounce around 1.5 and 1.7. The lowest I have seen is 1.4 and the highest was 2.
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February 13, 2014, 05:15:17 PM
 #14894

I have been running 5 antminer u1's for 2 or 3 weeks now and I have a USB fan to cool them. When I started using them I noticed based on the site for the pool I was getting about 7 to 8 Mhash/s. Now I'm getting just over 6. Is this due to difficulty going up or do I have a miner about to fail?

Hello
I'm running 6 U1's and used to get 12gh/s (11.95/12.03) for weeks and suddenly i get 11.30 at its best...
They are easy to overclock up to 2gh/s, easy ans stable.

Where does this drop come from, deeply thx guyz.

Try this for a bat file:-

bfgminer.exe --set-device antminer:clock=x0981 --icarus-options 115200:2:2 -o http://stratum.bitcoin.cz:3333 -O worker:password -S antminer:all

BTc donations welcome:-  13c2KuzWCaWFTXF171Zn1HrKhMYARPKv97
boumalo
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February 13, 2014, 05:37:10 PM
 #14895

5 blocks in 12hours we are running good!

Too bad I only have 1.6GH/s Cheesy

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February 13, 2014, 05:40:31 PM
 #14896

I have been running 5 antminer u1's for 2 or 3 weeks now and I have a USB fan to cool them. When I started using them I noticed based on the site for the pool I was getting about 7 to 8 Mhash/s. Now I'm getting just over 6. Is this due to difficulty going up or do I have a miner about to fail?

Hello
I'm running 6 U1's and used to get 12gh/s (11.95/12.03) for weeks and suddenly i get 11.30 at its best...
They are easy to overclock up to 2gh/s, easy ans stable.

Where does this drop come from, deeply thx guyz.

Try this for a bat file:-

bfgminer.exe --set-device antminer:clock=x0981 --icarus-options 115200:2:2 -o http://stratum.bitcoin.cz:3333 -O worker:password -S antminer:all


You kind thx buddy.
I used a Command .cmd as
c:\bfgminer\bfgminer.exe -o stratum.bitcoin.cz:3333 -u xxxworker1 -p password -S antminer:all --set-device antminer:clock=x0981
where do I put this "icarus-options 115200:2:2"

Got a clue why do i lose 5/6% hashing power, so strange.

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Jcga
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February 13, 2014, 05:47:00 PM
 #14897

Sorry still half a sleep that would be Ghash. The site only shows it as 6600Mhash/s as of right now so I'm guessing that would be 6.6 Ghash.

Also I'm running them all on bfgminer and not over clocked.  I will check what it says they are at when I get home.  They seem to bounce around 1.5 and 1.7. The lowest I have seen is 1.4 and the highest was 2.

For weeks i get 1.97-2.02 per U1, stable Smiley Easy to OC.
but not too easy to go upper than 2 without a particular cooling system so far i have seen.

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February 13, 2014, 06:29:33 PM
 #14898

5 blocks in 12hours we are running good!
And the pool hashrate is klimbing back until the next strike of bad luck and complaints

BTC tips: 1KNK1akhpethhtcyhKTF2d3PWTQDUWUzHE
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February 13, 2014, 07:00:41 PM
 #14899

I have been running 5 antminer u1's for 2 or 3 weeks now and I have a USB fan to cool them. When I started using them I noticed based on the site for the pool I was getting about 7 to 8 Mhash/s. Now I'm getting just over 6. Is this due to difficulty going up or do I have a miner about to fail?

Hello
I'm running 6 U1's and used to get 12gh/s (11.95/12.03) for weeks and suddenly i get 11.30 at its best...
They are easy to overclock up to 2gh/s, easy ans stable.

Where does this drop come from, deeply thx guyz.

Try this for a bat file:-

bfgminer.exe --set-device antminer:clock=x0981 --icarus-options 115200:2:2 -o http://stratum.bitcoin.cz:3333 -O worker:password -S antminer:all


You kind thx buddy.
I used a Command .cmd as
c:\bfgminer\bfgminer.exe -o stratum.bitcoin.cz:3333 -u xxxworker1 -p password -S antminer:all --set-device antminer:clock=x0981
where do I put this "icarus-options 115200:2:2"

Got a clue why do i lose 5/6% hashing power, so strange.

just at the end of the line.

BTc donations welcome:-  13c2KuzWCaWFTXF171Zn1HrKhMYARPKv97
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February 13, 2014, 07:05:19 PM
 #14900

5 blocks in 12hours we are running good!
And the pool hashrate is klimbing back until the next strike of bad luck and complaints

Too true, happily, I can't be bothered with all this switching back and forth. Slightly frustrating though that shares go down when people do switch back. But them's the breaks, I guess..
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