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Question: What type of pool payouts do you prefer?
Bitcoins - 3232 (80.4%)
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Total Voters: 4016

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Author Topic: [2.5+ EH] Slush Pool (slushpool.com); World's First Mining Pool  (Read 4327366 times)
slush
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January 26, 2012, 08:43:20 PM
 #4821

FYI, pool is supporting p2sh now (see /P2SH/ in coinbase):
http://blockchain.info/tx-index/14771803/e88e3339e636ae1764c78043c295105141d56e01c4086cca92b6593660c6786d

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slush
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January 29, 2012, 04:49:07 PM
 #4822

Few days ago I found http://btcrelay.com/, service which allow splitting incoming coins to many different bitcoin addresses. I see many useful use cases for such service. You can, for example, split pool payout, one part forward directly to the exchange and let it automatically trade for USD and second part forward to savings wallet. It is pretty nice way how to automate something what I did manually once per week before launch of btcrelay service.

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January 29, 2012, 06:17:55 PM
 #4823

Just a question: I am mining on this pool from a couple of weeks hashing at 1 Ghs 24/7 with 4 cards.
In my statistics I notice huge differences in my BTC reward between the blocks: I got between 0.01 and 0.04 BTC per block in the latest 10 rounds and I wonder why, since I doubt that hoppers can explain a so big variance, and the pool speed do not seem to change so much.
Any idea?
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January 29, 2012, 06:44:34 PM
 #4824

In my statistics I notice huge differences in my BTC reward between the blocks.

It is combination of some natural variance coming from score method as described and simulated here: https://bitcointalk.org/index.php?topic=1976.msg50002#msg50002 and the effect of added hashpower on the beginning of the round from pool hoppers. I recommend you to check daily rewards more than round rewards, because round rewards are influenced by many factors, not only your own hashrate.

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January 29, 2012, 08:26:35 PM
 #4825


and here comes chaos..... great Satoshi give us a sign

blockchained.com ■ bitcointalk top posts
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January 29, 2012, 10:03:24 PM
 #4826

and here comes chaos..... great Satoshi give us a sign

? I'm just voting for p2sh, it does not mean that pool will split blockchain when there won't be a consensus. Please don't start any FUD...

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January 31, 2012, 06:08:57 PM
 #4827

Lately your pool has been rejecting all of my CPU work and it is timing out constantly in my GPU miner. What gives?
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February 02, 2012, 04:14:22 AM
 #4828

The last 3 blocks (10416, 10417, 10418) have been marked as invalid ... is something wrong?  Shocked

BTC: 1DJVUnLuPA2bERTkyeir8bKn1eSoRCrYvx
NMC: NFcfHSBBnq622pAr1Xoh9KtnBPA5CUn6id
Littleshop
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February 02, 2012, 04:18:03 AM
 #4829

Almost all short blocks my payout is 20% less.  I am not quite sure why, am I doing anything wrong or is this something to do with pool hoppers?

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February 02, 2012, 04:34:45 AM
 #4830

Almost all short blocks my payout is 20% less.  I am not quite sure why, am I doing anything wrong or is this something to do with pool hoppers?

I've noticed the same thing. On short rounds (say, less than 5 or 10 minutes) my payout is consistently 10%-20% less than my average. I understand that the variance is expected to be high on short rounds, but then I would expect half of the short rounds to payout MORE than my average and the other half to pay out LESS.

But what I have been consistently seeing is that on short rounds, my payout is invariably less than average. Never do I get more than my average (or even my average). I'm not sure what the issue is. It might be pool hoppers (Slush isn't completely immune to hopping) ... I'm not sure what else it could be.

BTC: 1DJVUnLuPA2bERTkyeir8bKn1eSoRCrYvx
NMC: NFcfHSBBnq622pAr1Xoh9KtnBPA5CUn6id
organofcorti
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February 02, 2012, 06:08:38 AM
 #4831

Almost all short blocks my payout is 20% less.  I am not quite sure why, am I doing anything wrong or is this something to do with pool hoppers?

I've noticed the same thing. On short rounds (say, less than 5 or 10 minutes) my payout is consistently 10%-20% less than my average. I understand that the variance is expected to be high on short rounds, but then I would expect half of the short rounds to payout MORE than my average and the other half to pay out LESS.

But what I have been consistently seeing is that on short rounds, my payout is invariably less than average. Never do I get more than my average (or even my average). I'm not sure what the issue is. It might be pool hoppers (Slush isn't completely immune to hopping) ... I'm not sure what else it could be.

Unlikely to be hoppers. If this was a standard prop pool, hoppers would have to double the pool hashrate in order for full time miners to lose 20%.

Since hopping is much less lucrative here at Slush's pool, the hashrate increase for the first say 10-15% of the round would have to be higher. I don't see the pool hashrate even doubling for the first 10-15% of the round, so I'd say the decline in pay you're seeing can't be attributed (at least not most of it) to pool hopping.

Bitcoin network and pool analysis 12QxPHEuxDrs7mCyGSx1iVSozTwtquDB3r
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simc
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February 02, 2012, 08:36:47 AM
 #4832

Could the dip at the beginning of the round be due to Slush's long polling optimisation, are slower miners loosing out to quicker ones?
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February 02, 2012, 10:09:51 AM
 #4833

The last 3 blocks (10416, 10417, 10418) have been marked as invalid ... is something wrong?  Shocked

Cross-check for block validity on blockexplorer failed for some reason (I think BE was down for a moment). I fixed it manually right now.

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February 02, 2012, 10:12:31 AM
 #4834

Littleshop, Epoch - your payout in short rounds is lower, because there's more hashpower on the beginning of the round (yes, thanks to pool hopers). There's around 10-20% of increase in pool rate, which explains your math (because your own hashrate is smaller portion of total hashrate).

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February 02, 2012, 10:21:34 AM
 #4835

Littleshop, Epoch - your payout in short rounds is lower, because there's more hashpower on the beginning of the round (yes, thanks to pool hopers). There's around 10-20% of increase in pool rate, which explains your math (because your own hashrate is smaller portion of total hashrate).

I think a 20% increase in hashrate causing a 20% decrease in fulltime miner earnings is unlikely. I'm willing to accept it if you can show me a proof though.

Bitcoin network and pool analysis 12QxPHEuxDrs7mCyGSx1iVSozTwtquDB3r
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February 02, 2012, 10:23:46 AM
 #4836

slow miners allways get less rewards on short rounds with high hashrate pools, nothing strange about it.

Higher hashrate users would submit most of the shares in short rounds claiming most of the rewards.

...In the land of the stale, the man with one share is king... >> Clipse

We pay miners at 130% PPS | Signup here : Bonus PPS Pool (Please read OP to understand the current process)
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February 02, 2012, 10:37:58 AM
 #4837

slow miners allways get less rewards on short rounds with high hashrate pools, nothing strange about it.

Higher hashrate users would submit most of the shares in short rounds claiming most of the rewards.

Slow miners shouldn't get less reward on short rounds. If you're constantly hashing, then the likelihood of submitting a share in the first ten seconds of a round should be the same as at any other ten second interval. So I'd expect an increase in variance, but no change in expected value of a share due to the length of a round and miner hashrate.

Bitcoin network and pool analysis 12QxPHEuxDrs7mCyGSx1iVSozTwtquDB3r
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slush
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February 02, 2012, 10:53:56 AM
 #4838

So I'd expect an increase in variance, but no change in expected value of a share due to the length of a round and miner hashrate.

...and did you asked those users how large dataset they're comparing?

Those +20% in hashrate was my tip, pool knows only 30min average hashrate so I don't know exactly what's the boost on the beginning of the round.

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February 02, 2012, 11:13:23 AM
 #4839

So I'd expect an increase in variance, but no change in expected value of a share due to the length of a round and miner hashrate.

...and did you asked those users how large dataset they're comparing?

No, and it did occur to me that it might just be variance they're experiencing. However,  Littleshop, Epoch were asking if pool hopping could cause a consistent loss of income and I pointed out that a 20% loss of income would require a massive hashrate boost until whatever the current correct hop point is.
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Those +20% in hashrate was my tip, pool knows only 30min average hashrate so I don't know exactly what's the boost on the beginning of the round.

But you could work it out - anyone can. Your site provides shares submitted since start of round and time since start of round, so you can easily calculate the equivalent hashrate. Time how long the first say 130 000 shares (ish? Not at my abacus atm) of the round take to submit.

Bitcoin network and pool analysis 12QxPHEuxDrs7mCyGSx1iVSozTwtquDB3r
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February 02, 2012, 09:53:20 PM
 #4840

So I'd expect an increase in variance, but no change in expected value of a share due to the length of a round and miner hashrate.

...and did you asked those users how large dataset they're comparing?

No, and it did occur to me that it might just be variance they're experiencing. However,  Littleshop, Epoch were asking if pool hopping could cause a consistent loss of income and I pointed out that a 20% loss of income would require a massive hashrate boost until whatever the current correct hop point is.
Quote
Those +20% in hashrate was my tip, pool knows only 30min average hashrate so I don't know exactly what's the boost on the beginning of the round.

But you could work it out - anyone can. Your site provides shares submitted since start of round and time since start of round, so you can easily calculate the equivalent hashrate. Time how long the first say 130 000 shares (ish? Not at my abacus atm) of the round take to submit.

OK I've had my abacus out and run it over my stats for yesterday.  I only have 24 hours worth of data so the sample size is a bit small really but there does seem to be a trend towards short rounds having a higher average hash rate.  Some short rounds I have done better than average others worse, but even factoring in the higher hash rate I'm a little down but at this point I'm only considering 6 samples of rounds less than 10 minutes so not exactly conclusive.  The other way to look at it is that the miners that are pool hopping are loosing out to me on the longer rounds as their shares decay, I don't think it's easily possible to calculate my submitted shares and thus payout per share for a round.

Results here
https://docs.google.com/spreadsheet/ccc?key=0Ahmqn5gYZuJNdDRVb2doZGtocHZEYVVlY21EYXFrV3c
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