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Author Topic: [40+ PH] SlushPool (slushpool.com); World's First Mining Pool  (Read 3858243 times)
jamesc760
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June 21, 2013, 03:50:11 PM
 #10361

it's Friday, let the bitcoin short sells begin! [/sarcasm]
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n0creativity
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June 21, 2013, 04:49:27 PM
 #10362

...

 Pool now at 18,900Gh/s loving my new card being negated! Running out of places to install new cards!
I am trying to decide if after GPU's are totally shot if I should swap my Nvidia 650 for one of these 7870xt's but I so hate AMD/ATI....

I have 2 of those in my machine running on Ubuntu 12.04 LTS with cgminer and I get just over 1GH/s out of the machine.  They don't run as cool as my 5870's, but they are beasts cranking out 500 MH/s consistently and at $250 a pop new. Its a pretty good card. I would take 2 of these over a 5970 or 7970 any day.

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sundownz
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June 21, 2013, 07:36:42 PM
 #10363

Up to around ~10 GH/s on my "farm" now (39 total "workers" on my account) that I have all the new machine running -- whenever my home computer comes back online and I finalize the over-clocks on all the systems will be close to 12-13 GH/s -- AC went out at home and it got so hot in my upstairs it corrupted one of my hard drives so have to order one and replace it.

Little late in the game but still a bit of fun as a hobby for a while none-the-less... and until I move my office the electricity is no additional cost (included in rent).
EasyQuest
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June 21, 2013, 07:37:44 PM
 #10364

I used to throw more GPU hashing power until I realized GPU on bitcoin is almost out now and that I ran out of space... Luckily USB ASIC came and helped me now. 40% of my hashing is from those Sapphire USB ASICs

I only have five workers but I made it to where all the computer are running stable for weeks on ends.
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June 21, 2013, 07:41:07 PM
 #10365

I used to throw more GPU hashing power until I realized GPU on bitcoin is almost out now and that I ran out of space... Luckily USB ASIC came and helped me now. 40% of my hashing is from those Sapphire USB ASICs

I only have five workers but I made it to where all the computer are running stable for weeks on ends.

How much hashing power do those actually have ? As advertised ?
pembo210
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June 21, 2013, 07:48:10 PM
 #10366

...


18672    2013-06-20 22:42:31    1:18:33    19158866    380    0.00313452    242497    25.06230101    71 confirmations left

18671    2013-06-20 21:23:58    3:47:07    54211201    4360    0.00000000    242486    25.25275299    60 confirmations left

Anyone else get zero on #18671

Looks like you had a disconnect near the end of that round because of your low share count in the next round and steady reward.

Yeah, I tripped my circuit breaker  Cry

what equipment do u get 0.00313452 ?

.003 is probably around 2gh/s-2.5gh/s  I am just guessing assuming this was with 16th/s not 18th/s on the pool! haha...

Yeah this is one of my older machines with 2 ModMiner quads, and six  Ztex 1.15x boards. Floats around 2.4gh/s.. When diff jumped to 15mil, I retired several 5850s gpu rigs. Plus, summer is just getting started with 95* (35*C) days. I'm hoping to have a couple jals in a couple months (ordered around newyears)

Nice estimate too Wink

Edit: Thanks for the quick answer

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dietwice
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June 21, 2013, 07:51:05 PM
 #10367

Got a strange issue.

Sometimes several of my workers stops being shown their shares at My account stats whilst others shares' number continue to increase in time.
Estimated reward also drops.

Looking at workers I notice nothing significant at all - they're producing shares as usual and cgminer marks them as Accepted.

After being restarted cgminer performs as usual but now shares are being counted and I see them in stats.

Looks like there's some instability in counting of shares which were accepted by stratum.

Does anybody have the same behavior?

Donations appreciated at 1DZ6PVjnV8zRdvtgKSqzpAYhifxP1XKhwM
EasyQuest
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June 21, 2013, 07:56:33 PM
 #10368

I used to throw more GPU hashing power until I realized GPU on bitcoin is almost out now and that I ran out of space... Luckily USB ASIC came and helped me now. 40% of my hashing is from those Sapphire USB ASICs

I only have five workers but I made it to where all the computer are running stable for weeks on ends.

How much hashing power do those actually have ? As advertised ?

I have seen advertised for 336 MH/s per USB ASIC, I am getting 334 MH/s so it is doing about what it is advertised. Here is proof


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June 21, 2013, 08:58:49 PM
 #10369

Someone with more experience want to help me understand this?
It appears slush is not recognizing my submitted shares from one of my workers. These screencaps were taken within 30 seconds of each other.


Slush site:



My worker in cgminer (this is machine I am still building up... I know she's slow, haha but I don't want to turn my GF's apartment into a furnace quite yet):



umm help?!?! Please!
 Huh

-n0c





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If I helped ya, feel free to drop me some coins... 1JF91kFQWnVAkwG1chn2fnrzotNyg1TxDQ
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EasyQuest
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June 21, 2013, 09:04:32 PM
 #10370

Restart Miner software. I had the same issue so I switch to bfgminer I could have just restarted cgminer but I went back to bfgminer
n0creativity
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June 21, 2013, 09:21:46 PM
 #10371

Restart Miner software. I had the same issue so I switch to bfgminer I could have just restarted cgminer but I went back to bfgminer

It fixed itself after about 30 minutes, no miner restart. My accepted shares on the site jumped and last share at went back to 0 minutes.
I guess I'm just curious if its a cgminer thing or a Slush thing.

I'll have to research bfgminer.  I like cgminer because its cross platform, has built in overclocking for OpenCL devices, allows you to setup failover pools, and it seems to be much more reliable than guiminer (that abomination software was never stable for me)


Anyone else see this sort of thing happen?  I am also curious if Slush is still recording the accepted shares so I am credited correctly for each round or not. 


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ibfr33k
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June 21, 2013, 09:32:17 PM
 #10372

I hope it's just an error on the site.  My shares are showing up but I noticed that the estimated rewards are out of wack.  It went from .0027 to .00046.   Seems like about the same as your troubles. 

I'm a noob just starting, all donations are welcome.  13DXKRXQncUnWAFtemSwNH7boRZfEfsg5a
cassini
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June 21, 2013, 09:43:58 PM
 #10373

.0027 to .00046.
Something very strange happening at this moment. All of a sudden the numbers in the user statistics pages look very odd. I think slush secretly moved to the DGM payout system. Sluuuuuuuuush, can you hear us?  Undecided Undecided Undecided
n0creativity
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June 21, 2013, 10:02:17 PM
 #10374

.0027 to .00046.
Something very strange happening at this moment. All of a sudden the numbers in the user statistics pages look very odd. I think slush secretly moved to the DGM payout system. Sluuuuuuuuush, can you hear us?  Undecided Undecided Undecided

This is something entirely different and I believe this is not so much an issue with the site but with the scoring algorithm

See the full explanation here:
https://bitcointalk.org/index.php?topic=1976.msg50002#msg50002


The below graph shows that this algorithm will occasionally have DRASTICALLY low payouts if you fall into the group that exists in those severe drop offs in the graph.  You should also notice, if you look closely, there is a noticeable increase on payout for those that fall into the group right to the right of the drop-off.  Basically, some people are getting overpaid and some underpaid for blocks.  Slush fixes them a lot of the time, but not always. When your estimated payout drops to almost nothing, you are in that nasty trough in the graph.


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gbx
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June 21, 2013, 10:05:26 PM
 #10375

Someone with more experience want to help me understand this?
It appears slush is not recognizing my submitted shares from one of my workers. These screencaps were taken within 30 seconds of each other.


Slush site:



My worker in cgminer (this is machine I am still building up... I know she's slow, haha but I don't want to turn my GF's apartment into a furnace quite yet):



umm help?!?! Please!
 Huh

-n0c







You look like you're connecting via remote desktop.  CGMiner isn't showing you the GPU information you'd normally see (temperature and fan speed).  If I'm correct, I'd recommend TeamViewer or some other remote control solution.  RDP really screws up CGMiner.
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June 21, 2013, 10:22:54 PM
 #10376

.0027 to .00046.
Something very strange happening at this moment. All of a sudden the numbers in the user statistics pages look very odd. I think slush secretly moved to the DGM payout system. Sluuuuuuuuush, can you hear us?  Undecided Undecided Undecided

This is something entirely different and I believe this is not so much an issue with the site but with the scoring algorithm

See the full explanation here:
https://bitcointalk.org/index.php?topic=1976.msg50002#msg50002


The below graph shows that this algorithm will occasionally have DRASTICALLY low payouts if you fall into the group that exists in those severe drop offs in the graph.  You should also notice, if you look closely, there is a noticeable increase on payout for those that fall into the group right to the right of the drop-off.  Basically, some people are getting overpaid and some underpaid for blocks.  Slush fixes them a lot of the time, but not always. When your estimated payout drops to almost nothing, you are in that nasty trough in the graph.

http://i53.tinypic.com/j91onp.jpg

What I've seen Slush fix is when the scoring gets way off. (and as you mentioned - not always)

From observations it appears that individual miner's shares are tracked by different servers (and thus separate databases). So when the round ends each of those separate databases would have to be combined. What I've noticed is that I caught on a few occasions the web site reporting partial results - as if some of the separate servers had not reported their data yet. So if I look at my number of shares I'd see just a fraction of the total number.
And I suspect that was the issue that we had in the past - if during the round you disconnected/reconnected (even very briefly for 0.1sec) part of your shares would be on one server and another part on a different one. If at the end they don't get combined you'd get the missing shares issue. And that's what Slush had to manually fix (but that's my guess).

So back to the question - it seems to be the reverse case - when you get extra points because just the database containing your shares made it to the server that combines everything, so as a result it distributed the BTC among fewer people (and every one of them got more than expected).

The change that I've noticed recently is that everything is much more reliable and the various databases are much more consistent and (almost) always manage to combine the data. I think it's been more than a few weeks since we've had those severely underpaid (and for some overpaid) blocks.

n0creativity
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June 21, 2013, 10:23:25 PM
 #10377



You look like you're connecting via remote desktop.  CGMiner isn't showing you the GPU information you'd normally see (temperature and fan speed).  If I'm correct, I'd recommend TeamViewer or some other remote control solution.  RDP really screws up CGMiner.


You are very much correct my friend. That was fairly insightful.  I will try something else, TightVNC or RealVNC maybe.  This rig is at my GF's apt so its headless (and yes running windows server... I already had this machine configured before I started using it for mining).

Thank you very much!

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Software is like sex: it's better when it's free... Linus Torvalds
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If I helped ya, feel free to drop me some coins... 1JF91kFQWnVAkwG1chn2fnrzotNyg1TxDQ
~~~~~~~~
nottm28
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June 21, 2013, 10:29:46 PM
 #10378

The change that I've noticed recently is that everything is much more reliable and the various databases are much more consistent and (almost) always manage to combine the data. I think it's been more than a few weeks since we've had those severely underpaid (and for some overpaid) blocks.

me too - long live slush

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n0creativity
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June 21, 2013, 10:31:12 PM
 #10379

....

What I've seen Slush fix is when the scoring gets way off. (and as you mentioned - not always)

From observations it appears that individual miner's shares are tracked by different servers (and thus separate databases). So when the round ends each of those separate databases would have to be combined. What I've noticed is that I caught on a few occasions the web site reporting partial results - as if some of the separate servers had not reported their data yet. So if I look at my number of shares I'd see just a fraction of the total number.
And I suspect that was the issue that we had in the past - if during the round you disconnected/reconnected (even very briefly for 0.1sec) part of your shares would be on one server and another part on a different one. If at the end they don't get combined you'd get the missing shares issue. And that's what Slush had to manually fix (but that's my guess).

So back to the question - it seems to be the reverse case - when you get extra points because just the database containing your shares made it to the server that combines everything, so as a result it distributed the BTC among fewer people (and every one of them got more than expected).

The change that I've noticed recently is that everything is much more reliable and the various databases are much more consistent and (almost) always manage to combine the data. I think it's been more than a few weeks since we've had those severely underpaid (and for some overpaid) blocks.

I have noticed the same regarding partial data. I've noticed that sometimes the reported data is initially only 1 or 2 of my workers and not all of them combined. Given 10-15 additional minutes, it seems to resolve itself.  
I was more referring to the occasional situation where a miner shows all their shares recorded but the payout is fractions of what they would normally get for their proportion(and i'm excluding people with disconnects at end of rounds here).  It has happened to me once that I've noticed.  All shares reported but I was awarded an extremely low payout (ie.  0.00000019). I believe that is due to the scoring method that Slush uses.  Of course I have also been awarded significantly more (20x) than my normal share on 2 occasions that I can recall, so I'm in the green atm.  Cheesy


~~~~~~~~
Software is like sex: it's better when it's free... Linus Torvalds
~~~~~~~~~~~~~~~~
If I helped ya, feel free to drop me some coins... 1JF91kFQWnVAkwG1chn2fnrzotNyg1TxDQ
~~~~~~~~
Trongersoll
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June 21, 2013, 10:33:23 PM
 #10380

It is my opinion that the statistics on the "My Account" don't keep up with reality in real time. For example i added a 500Mh/s miner today and watched as the hash rate on that miner climbed from nothing to the proper amount over time. every time i refreshed the screen the rate went up 1-3 Mh/s.

the displays aren't as important as the hashing so i suspect they run at a lower priority.

in regards to payout on the statistics page, give it 15-20 minutes to settle out before panicing. i just saw my most recent payout as .00000010. shortly there after it got fixed.

*insert appropriate begging line here* 
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