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Question: What type of pool payouts do you prefer?
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Author Topic: [40+ PH] SlushPool (slushpool.com); World's First Mining Pool  (Read 3853032 times)
Kruncha
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May 04, 2013, 10:06:02 PM
 #7601

17838 and 17839? I noticed connection problems at the end of both rounds and that costs. But it's all part of the lottery.

I'm on about 17840 and 17841, but like you said, maybe it was just a glitch in the matrix (my rewards for the blocks you mentioned are fine).

Anyway, it's been a great day for us all, Salut Grin

K.
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ewitte
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May 04, 2013, 10:49:16 PM
 #7602

A bit but I also have one that drops a little when its used. 

TH - 0.05285543 BTC
Fr - 0.04494487 BTC
So far today - 0.13436445   !

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May 04, 2013, 11:11:34 PM
 #7603

im currently clocked at 925mhz and ram at 1375mhz voltage is stock
temps 73deg c
its an xfx double d

All 4 of the xfx 7950 double d's I have here are voltage locked turds that won't go past 1050 reliably.  If I knew what I knew now I'd have just saved myself 50$ a card and got more of the tahiti 7870's that I have.

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ewitte
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May 04, 2013, 11:25:44 PM
 #7604

Thats bad.  You know though even my normal 7870's are giving 90% of what I'm getting off the two 7950's.  I think those XT cards may be my next upgrade.  Much easier to keep from overheating.

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May 04, 2013, 11:29:54 PM
 #7605

They are a good value that's for sure.  My 2 7870 @1100 give me 950mh/s and the 3x 7950's in one machine only give 1.53gh/s :S at 1200 and still under stock voltage the 7870's can match two of the 7950's.  The only saving grace is that in the end I'm fairly certain the 7950's will all have a higher resale value.

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ewitte
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May 05, 2013, 12:20:49 AM
 #7606

Better LTC mining

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sampson1971
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May 05, 2013, 01:22:13 AM
 #7607


Hmm.. my 7950 tops out at around 602 mh/s.  How can I get YOUR extra 18 mh/s? What flags are you using in GUIminer?

I'm using AMD's Overdrive...GPU max, voltage max.

Samps

...
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May 05, 2013, 06:56:46 AM
 #7608

my 2 cents....



Hmm.. my 7950 tops out at around 602 mh/s.  How can I get YOUR extra 18 mh/s? What flags are you using in GUIminer?

I'm using AMD's Overdrive...GPU max, voltage max.

Samps

You can go higher then max in AMD Overdrive with Afterburner but you need to edit ini file. I can't remember exactly but it is something like unofficial EULA that you need to change from 1 to 0 or other way around...

So my guess is higher core speed. You might get 5-10% extra just running cgminer also...
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May 05, 2013, 07:07:54 AM
 #7609

Notice that I'm missing about 10 to 20% of the reword for blocks 17846 and 17845, 17842 and 17841, 17837 and 17836. Unlucky or a problem? Some are over hour so luck shouldn't be a problem...
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May 05, 2013, 08:33:06 AM
 #7610

Notice that I'm missing about 10 to 20% of the reword for blocks 17846 and 17845, 17842 and 17841, 17837 and 17836. Unlucky or a problem? Some are over hour so luck shouldn't be a problem...

I just noticed one of the workers happily submitting shares while the account page says I submitted nothing for over an hour. I reconnected and normal operation resumed.

I wonder if a hacker figured out how to redirect mining streams.
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May 05, 2013, 11:45:23 AM
 #7611

lower payouts on 17826, 17827, 17829, 17844 and 17845.

The last 2 are about 30% lower than my normal?

joolz
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May 05, 2013, 12:14:49 PM
 #7612

Sometimes my shares show up low but when I check 5-10 minutes later it goes up.  Not sure if thats what your noticing.  If not it could have been some kind of connection issue near the end of the block.  Even a few shares dropped will mess with the numbers.

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psipower
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May 05, 2013, 12:20:40 PM
 #7613

lower payouts on 17826, 17827, 17829, 17844 and 17845.

The last 2 are about 30% lower than my normal?

joolz

The first 3 were a bit lower for me, the last two a bit higher. May just be normal variability with c=210 (as per those maths links posted a few pages ago... Smiley )

Also I see pool hash rate now over 9100G - so I'm expecting lower payouts but more frequent payouts compared to a day or so ago when we were on low 8- something Ghash... (same daily payout on average until next diff change, of course).
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May 05, 2013, 12:21:03 PM
 #7614

17852 is off by 25% again... Are we having troubles?
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May 05, 2013, 12:22:50 PM
 #7615

The first 3 were a bit lower for me, the last two a bit higher. May just be normal variability with c=210 (as per those maths links posted a few pages ago... Smiley )

Also I see pool hash rate now over 9100G - so I'm expecting lower payouts but more frequent payouts compared to a day or so ago when we were on low 8- something Ghash... (same daily payout on average until next diff change, of course).

Yes but change is less then 10%... This can't be the reason... And c at my heshrate isn't issue.
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May 05, 2013, 12:29:37 PM
 #7616

my 2 cents....



Hmm.. my 7950 tops out at around 602 mh/s.  How can I get YOUR extra 18 mh/s? What flags are you using in GUIminer?

I'm using AMD's Overdrive...GPU max, voltage max.

Samps

You can go higher then max in AMD Overdrive with Afterburner but you need to edit ini file. I can't remember exactly but it is something like unofficial EULA that you need to change from 1 to 0 or other way around...

So my guess is higher core speed. You might get 5-10% extra just running cgminer also...

My flags are your typical -w 128 -v -f 30

EDIT: I also noticed that I can get ~620 Mhash/s only with 13.1 catalyst. Anything else and it is only ~560

Any higher core speed and card becomes unstable, however I suppose if I Overvolted it would be fine... Don't want to do that after reading horror stories on this forum thou Smiley
joolzg
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May 05, 2013, 12:31:44 PM
 #7617

lower payouts on 17826, 17827, 17829, 17844 and 17845.

The last 2 are about 30% lower than my normal?

joolz

The first 3 were a bit lower for me, the last two a bit higher. May just be normal variability with c=210 (as per those maths links posted a few pages ago... Smiley )

Also I see pool hash rate now over 9100G - so I'm expecting lower payouts but more frequent payouts compared to a day or so ago when we were on low 8- something Ghash... (same daily payout on average until next diff change, of course).

Well if you saying a variance of over 30% is normal then im lost, maybe a few % not 30%

joolz


Lucko
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May 05, 2013, 12:40:57 PM
 #7618

Shares are missing in my last blocks too. Is something wrong with stratum again?
psipower
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May 05, 2013, 12:46:52 PM
 #7619


Well if you saying a variance of over 30% is normal then im lost, maybe a few % not 30%

joolz

Hi joolz,

just speculating, of course! To get a real handle on it we'd probably need to find the standard deviation of the distribution, then we could comment on how likely it is for any particular result to be  a particular percentage out, and indeed any particular *random* sample of results (rather than a selected group that catch our eye)...

Looking at my 7-day moving average from the stats page, however, it's followed quite closely my increase in hash rate and the difficulty change of 30.04, although the last couple of days aren't there yet, so I'm not concerned (at the moment...)

Doesn't preclude a temporary loss, of course. I did notice my cgminer report a missing connection briefly a few hours ago...
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May 05, 2013, 01:06:38 PM
 #7620

The pool has been hacked. Fortunately I noticed it fast enough, so I made database snapshot seconds before attackers overtake the database machine. I lost some amount of bitcoins, but I'll be able to recover it from my pocket.

Dont you keep the slush reward address private key offline, & airgapped?

Then payouts can be batch calculated from a USB key transfer of a share work tally db report, and usb key transfer of the payout transactions to the pool miner addresses say once per week or whatever.

Then the worst that the attacker can do is delete some of the share work tally db records, or change the reward addresses in the db to themselves.  And if you notice an attack, even the miners could resubmit the shares.

And in fact the pooled miner reward addresses should be included in an additional merkle tree in the coinbase itself, and the pooled miners should be presented a verifiable log2 path showing their presence and number of contributions within the coinbase, so that if they can see their contribution is missing, either due to pool skimming, or pool share work db compromise they can switch to another pool.  In this way reward can not be reassigned, without redoing the work, and other than the pre-mining attack, you could basically operate with zero-trust (give out the ssh root private key to the serer without loss of security.)

The proof of contribution merkle tree could even be published to the full network, and included as part of the reward verification, then the pool wouldnt need to be trusted at all in terms of provable no skimming.  Of course the pool is still trusted with validation (by those pool miners who dont build their own blocks nor independently validate the pool constructuced blocks).

Adam

hashcash, committed transactions, homomorphic values, blind kdf; researching decentralization, scalability and fungibility/anonymity
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