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Author Topic: [4+ EH] Slush Pool (slushpool.com); Overt AsicBoost; World First Mining Pool  (Read 4339196 times)
rsbriggs
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May 25, 2013, 11:23:25 PM
 #8881

In essence each share gets a "score". The score is highest at the round end, and earlier shares get lower scores. The older the share the lower the score. And that progression is not linear but exponential, so score goes down to almost zero very quickly. From observations I think the cut-off is about an hour - for shares older than an hour you get absolutely no score.

Not argue, you are correct.  Just giving information about cut-off also being based on observation:

Cutoff not exactly being one hour or based on time.  Cutoff depending on total Slush pool hash rate and when score being renormalized after hitting 14 significant digits.  Renormalize used be happening just over one hour when hash rate was about 9Tb.  With current hash rate renormalize happening about each 52 minutes.  Am thnking is why some rewards suddenly crash to .00000007 if being no shares submitted exactly between renormalize and round ending.  Few shares at normal rate in seconds after renormalize taking reward back to full for next scoring period, but scores in round also decrease very quickly by not submitting shares at constant rate all time.

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ewitte
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May 25, 2013, 11:24:45 PM
 #8882


Out of curiosity - is your hashing speed around 3.5-3.6GH/s?

I'm only running about 2.7GH/s hardware can probably hit closer to 3GH/s but I have cooling issues that need to be resolved.

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rassalas
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May 25, 2013, 11:27:09 PM
 #8883

Same here, I've got one machine already mining but the other which was stopped (so my daughter can play the Sims) can't start mining now but works with other pools.

CGMiner can't find work, GUIMiner says no JSON object could be decoded yet the other machine which has been running all day continues to mine.

I'm having similar problems one machine, Laptop, which gets stopped and restarted often can't connect to slush today, but can other pools.
Other two miners on different machines are humming along no problem.  

Even tried to create a new worker  and it won't json authorize or somesuch language...

I got my machine using GUIMiner to log in by changing the settings.  Instead of using the preset url settings for Slush's Pool(which is http://api.bitcoin.cz:8332) I changed it 'other' and gave it the host name 'stratum.bitcoin.cz'  and port 3333, then it found work and started as soon as I ran it.

I used the alternate host and port on the new miner I created,  that one can't log in..  maybe I should recheck my typing.
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May 25, 2013, 11:29:25 PM
 #8884


Out of curiosity - is your hashing speed around 3.5-3.6GH/s?

I'm only running about 2.7GH/s hardware can probably hit closer to 3GH/s but I have cooling issues that need to be resolved.

maths not my strongsuit.... kudos nottm28
nottm28
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May 25, 2013, 11:35:41 PM
 #8885


Out of curiosity - is your hashing speed around 3.5-3.6GH/s?

I'm only running about 2.7GH/s hardware can probably hit closer to 3GH/s but I have cooling issues that need to be resolved.

maths not my strongsuit.... kudos nottm28

Only because I have similar Smiley

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aurel57
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May 25, 2013, 11:39:06 PM
 #8886


Out of curiosity - is your hashing speed around 3.5-3.6GH/s?

I'm only running about 2.7GH/s hardware can probably hit closer to 3GH/s but I have cooling issues that need to be resolved.

maths not my strongsuit.... kudos nottm28

Only because I have similar Smiley

Yes nice call...I hope to be hitting over 3GH/S soon
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May 25, 2013, 11:45:50 PM
 #8887

I'm only running about 2.7GH/s hardware can probably hit closer to 3GH/s but I have cooling issues that need to be resolved.

I just threw in more fans - then more fans - then more fans...

Yes nice call...I hope to be hitting over 3GH/S soon

3GH/s is like earning more than the national average wage - feels good.

I have 3.2 and 2 avalon usb's (europe order) on the way. (I wont mention my BFL order for fear of turning slush's thread into a slanging match) Smiley

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May 25, 2013, 11:49:11 PM
 #8888

I'm only running about 2.7GH/s hardware can probably hit closer to 3GH/s but I have cooling issues that need to be resolved.

I just threw in more fans - then more fans - then more fans...

Yes nice call...I hope to be hitting over 3GH/S soon

3GH/s is like earning more than the national average wage - feels good.

I have 3.2 and 2 avalon usb's (europe order) on the way. (I wont mention my BFL order for fear of turning slush's thread into a slanging match) Smiley


LOL I have 10 of the USB's coming from A+C also.... so I guess when they get here I will be closer to 4GH/S
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May 26, 2013, 12:03:42 AM
 #8889

Hello,

New to bitcoin mining. Have been mining slush's pool for the last 3-4 days.

I am not getting the payout on one transaction, block # 237634. I had 1027 shares, but the BTC payout is 0.0.
Can someone please explain why this would happen, or if it could possibly be an error in the system.
Thanks.

18183 2013-05-24 06:47:53 1:48:51 15038629 236 0.00083160 237647  25.28940000 confirmed 
18182 2013-05-24 04:59:02 5:59:04 49271773 1027 0.00000000 237634  25.43307428 confirmed 
18181 2013-05-23 22:59:58 2:17:42 18432045 528 0.00079536 237593  25.27100000 confirmed 



Animan - there seems to be something wrong with your miner or your internet connection. Looking at the speed of your mining - shares per minute:
18181: 3.854spm, but then going a bit lower in 18182: 3.435spm and then even lower in 18183: 2.185spm

Presuming your normal speed is 3.854spm you should've had 1152 shares for round 18182. Or you're short 125 shares, or at that speed - you haven't been mining for 33 minutes. Now, given that your next round is even lower, I'd say you probably stopped mining during the last 33min of round 1152 and that's why you didn't get anything for that block.

Presuming the same speed, you started mining at some point and you kept mining for the last 61minutes of round 18183, and that's why you got a good reward for that block.

With minor edits - here is something I posted earlier that hopefully sheds some more light:
You need to understand a bit more about how Slush's pool works and you (and many other) get confused with the PPS (pay-per-share) concept. Slush's pool is not a PPS one.

For a start you can look at the detailed description of how it works is on the pool's home page - look for a text in big yellow letters that says "How does bitcoin pool work?".

In essence each share gets a "score". The score is highest at the round end, and earlier shares get lower scores. The older the share the lower the score. And that progression is not linear but exponential, so score goes down to almost zero very quickly. From observations I think the cut-off is about an hour - for shares older than an hour you get absolutely no score.

Thanks for the explanation. I am not sure if I temporarily lost internet connection during that period. But getting 0 reward after cranking out 1027 shares just does not make sense to me Sad
nottm28
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May 26, 2013, 12:22:50 AM
 #8890

Thanks for the explanation. I am not sure if I temporarily lost internet connection during that period. But getting 0 reward after cranking out 1027 shares just does not make sense to me Sad

Let me introduce - there's a guy on here who has done some of the most serious analysis I have seen

http://organofcorti.blogspot.com/2012/04/41-slushs-pool.html
http://organofcorti.blogspot.com/2012/08/42-slushs-score-method-and-miner.html
http://organofcorti.blogspot.com/2012/09/43-slushs-score-method-and-miner.html

Makes for a good read...

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oroboras
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May 26, 2013, 12:26:20 AM
 #8891



I have 3.2 and 2 avalon usb's (europe order) on the way. (I wont mention my BFL order for fear of turning slush's thread into a slanging match) Smiley


LOL I have 10 of the USB's coming from A+C also.... so I guess when they get here I will be closer to 4GH/S


Nice. No slanging from me though - I have 32GH/s of BFL on order, to compliment my 1GH/s now, and if the bank smiles on me, 700GH/s of KnCMiner to be ordered.
I will know in a couple of weeks if I will get to join the big boys or not.
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May 26, 2013, 01:24:05 AM
 #8892

Calculation error?

18219   2013-05-25 23:31:47   0:33:15   4923475   4003   0.02103287   237930   25.21042000    85 confirmations left
18218   2013-05-25 22:58:32   0:25:35   3754815   3039   0.01185884   237928   25.00650000    83 confirmations left
18217   2013-05-25 22:32:57   1:00:46   8928761   7448   0.02057664   237921   25.47807000    76 confirmations left

I checked and none of my miners were down......

I notice the scoring was bugged during mining operation.

Estimated reward tanked and then recover over a period amount of time. I have seen this before which then causes these annoying reward errors people been talking about.
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May 26, 2013, 01:55:19 AM
 #8893

Payout for round 18218 -- ongoing miscalc problem, low transaction fees, or just variance?


18219 --2013-05-25 23:31:47 -- 0:33:15 -- 4923475 -- 2350 -- 0.01151355 -- 237930 -- 25.21042000 -- 84 confirmations left
18218 --2013-05-25 22:58:32 -- 0:25:35 -- 3754815 -- 1814 -- 0.00691102 -- 237928 -- 25.00650000 -- 82 confirmations left
..
18216 --2013-05-25 21:32:11 -- 0:26:24 -- 3940018 -- 1850 -- 0.01299966 -- 237915 -- 25.07852000 -- 69 confirmations left
...
18213 --2013-05-25 20:25:33 -- 0:28:52  -- 4289177 -- 2142 -- 0.01138243 -- 237903 -- 25.51505422 -- 57 confirmations left
bspurloc
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May 26, 2013, 02:14:17 AM
 #8894

Calculation error?

18219   2013-05-25 23:31:47   0:33:15   4923475   4003   0.02103287   237930   25.21042000    85 confirmations left
18218   2013-05-25 22:58:32   0:25:35   3754815   3039   0.01185884   237928   25.00650000    83 confirmations left
18217   2013-05-25 22:32:57   1:00:46   8928761   7448   0.02057664   237921   25.47807000    76 confirmations left

I checked and none of my miners were down......
I notice the scoring was bugged during mining operation.
Estimated reward tanked and then recover over a period amount of time. I have seen this before which then causes these annoying reward errors people been talking about.

18218   2013-05-25 22:58:32   0:25:35   3754815   967   0.00367753   237928   25.00650000
18217   2013-05-25 22:32:57   1:00:46   8928761   2242   0.00672909   237921   25.47807000
18216   2013-05-25 21:32:11   0:26:24   3940018   931   0.00552174   237915   25.07852000

Yeah 237928 had issues. I did not have connection issues and that is all I will say about that.
Something calculated wrong on that block. topic done.
rsbriggs
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May 26, 2013, 02:51:25 AM
 #8895

Is some issue with score not resetting to zero at start of 18221 round or problem with estimated?  
Estimated score for this round being about 1/40  normal, .00010 instead .0044 ever since starting.

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May 26, 2013, 03:00:18 AM
 #8896

Is some issue with score not resetting to zero at start of 18221 round or problem with estimated?  
Estimated score for this round being about 1/40  normal, .00010 instead .0044 ever since starting.
And my estimate is about 1700x normal. Oops.

1LoLTipsbSPgkeBEMvSx2WRe5A6SRHdymb
bspurloc
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May 26, 2013, 03:11:58 AM
 #8897

Is some issue with score not resetting to zero at start of 18221 round or problem with estimated?  
Estimated score for this round being about 1/40  normal, .00010 instead .0044 ever since starting.

Ah. I see it is happening with the present block. I'm back up to almost 50% of normal as it slowly fixes itself.
rsbriggs
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May 26, 2013, 03:18:32 AM
 #8898

Is some issue with score not resetting to zero at start of 18221 round or problem with estimated?  
Estimated score for this round being about 1/40  normal, .00010 instead .0044 ever since starting.

Ah. I see it is happening with the present block. I'm back up to almost 50% of normal as it slowly fixes itself.

Slowly fixing self little bit over last 1/2 hour.  Maybe back close to normal if block going another 1/2 hour or longer.

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May 26, 2013, 03:25:19 AM
 #8899

Weird how this has been happening for more than a month and just these past two weeks it has been happen more often than normal.....
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May 26, 2013, 03:53:32 AM
 #8900

Now:
Approx. cluster performance (30 min average):   10433.954 Ghash/s
Current server load (60 sec average):   246 getwork/s

18220    2013-05-26 02:26:32    2:54:45
Current round duration:   2:49:06

Yesterday - 450-500 getwork/s, found 25 blocks  

What server?
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