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Author Topic: [2.5+ EH] Slush Pool (slushpool.com); World's First Mining Pool  (Read 4327346 times)
teflone
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August 02, 2011, 12:11:54 PM
 #3381

On a 5 hour block..

Wonder if this one will be invalid too! ?

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August 02, 2011, 12:22:56 PM
 #3382

5 hour bock, 6200 shares submited and score only 5900. Is this normal ?

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August 02, 2011, 12:46:42 PM
 #3383

5 hour bock, 6200 shares submited and score only 5900. Is this normal ?


No, 5 hour block isn't normal. But it seems to be just a bad luck.
And score 5900 is ok, it is being normalized every hour.

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cosurgi
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August 02, 2011, 01:12:22 PM
 #3384

5 hour bock, 6200 shares submited and score only 5900. Is this normal ?


No, 5 hour block isn't normal. But it seems to be just a bad luck.
And score 5900 is ok, it is being normalized every hour.

say hello to new difficulty Sad

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August 02, 2011, 01:22:32 PM
 #3385

5 hour bock, 6200 shares submited and score only 5900. Is this normal ?


No, 5 hour block isn't normal. But it seems to be just a bad luck.
And score 5900 is ok, it is being normalized every hour.

say hello to new difficulty Sad

Hello, difficulty!

But a difficulty raise is just about 13% - I think it isn't a reason for a 6 hour block.

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slush
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August 02, 2011, 06:44:04 PM
 #3386

On a 5 hour block.. Wonder if this one will be invalid too! ?

Fortunately not Smiley.

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August 02, 2011, 06:52:46 PM
 #3387

Hello, difficulty!

But a difficulty raise is just about 13% - I think it isn't a reason for a 6 hour block.

Actually 6 hour block is still in "sane" range, with current difficulty and hashrate. It is still about probability - as far as I can tell, there's no technical problem in the pool.

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August 03, 2011, 06:53:49 AM
 #3388

slush i think deepbit is screening the blocks somehow

probably a bailout threshold like hoppers use

can we implement this pronto

check it

http://deepbit.net/stats
cosurgi
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August 03, 2011, 07:40:01 AM
 #3389

slush i think deepbit is screening the blocks somehow
probably a bailout threshold like hoppers use

can we implement this pronto
we don't need this. our scoring method is designed specifically to be hopper-immune

https://forum.bitcoin.org/index.php?topic=1976.msg50002#msg50002

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August 03, 2011, 09:07:12 AM
 #3390

slush i think deepbit is screening the blocks somehow
probably a bailout threshold like hoppers use

can we implement this pronto
we don't need this. our scoring method is designed specifically to be hopper-immune

https://forum.bitcoin.org/index.php?topic=1976.msg50002#msg50002

I don't he's talking about dealing with hoppers but rather he thinks deepbit is using some kind of method to screen blocks so they find blocks faster like abandoning a block once it takes longer than x% shares to solve the way hoppers abandon pools after 41%

I don't think something like that would work because if I'm not wrong, a new block depends on the Merkle root so you can't skip ahead. However, maybe it's possible to choose a different set of transactions and attempt to do a new block with them instead. Maybe slippyrocks would like to explain his theory.

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August 03, 2011, 09:28:02 AM
 #3391

slush i think deepbit is screening the blocks somehow
probably a bailout threshold like hoppers use

can we implement this pronto
we don't need this. our scoring method is designed specifically to be hopper-immune

https://forum.bitcoin.org/index.php?topic=1976.msg50002#msg50002

I don't he's talking about dealing with hoppers but rather he thinks deepbit is using some kind of method to screen blocks so they find blocks faster like abandoning a block once it takes longer than x% shares to solve the way hoppers abandon pools after 41%

I don't think something like that would work because if I'm not wrong, a new block depends on the Merkle root so you can't skip ahead. However, maybe it's possible to choose a different set of transactions and attempt to do a new block with them instead. Maybe slippyrocks would like to explain his theory.


You cant bail on a block, if a block isnt found then everyone mining is still mining for that block.

Each block isnt assigned some arbitrary share value on the network, that is a pool feature to split work up and pay users their share, nothing more.

...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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August 03, 2011, 10:16:05 AM
 #3392

slush i think deepbit is screening the blocks somehow

probably a bailout threshold like hoppers use

can we implement this pronto

check it

http://deepbit.net/stats


They have an average of 21 min per block last 24 hours. What is our avg in slush ? My feeling is that it may be hours but didnt make the numbers.

BTW, they "only" have about 2x our hashrate. Too much bad luck here and good luck there ?



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August 03, 2011, 12:07:01 PM
 #3393

... like abandoning a block once it takes longer than x% shares to solve the way hoppers abandon pools after 41% ...

heh. in fact a block is abadoned at least once per second, when nTime changes. Add to that extraNonce and block is changing hundred of times per second.

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August 03, 2011, 12:13:28 PM
 #3394

why did we got yesterday only half of the reward?
Xephan
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August 03, 2011, 01:03:09 PM
 #3395


They have an average of 21 min per block last 24 hours. What is our avg in slush ? My feeling is that it may be hours but didnt make the numbers.

BTW, they "only" have about 2x our hashrate. Too much bad luck here and good luck there ?


Minutes per block average in past 9 days or so
Deepbit 22.3 (Currently 5510 GH/s)
Slush 61.6 (Currently 2045 GH/s)

They've got 2.69x our hashrate, and average of 22.3 is only about 2.7% faster than expected... or we're 2.7% slower than expected

186q9YUW3x8TVHC5aYBEqgZZYMxft8Cw9f
dietwice
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August 03, 2011, 02:25:58 PM
 #3396


They have an average of 21 min per block last 24 hours. What is our avg in slush ? My feeling is that it may be hours but didnt make the numbers.

BTW, they "only" have about 2x our hashrate. Too much bad luck here and good luck there ?


Minutes per block average in past 9 days or so
Deepbit 22.3 (Currently 5510 GH/s)
Slush 61.6 (Currently 2045 GH/s)

They've got 2.69x our hashrate, and average of 22.3 is only about 2.7% faster than expected... or we're 2.7% slower than expected


It isn't quite correct to compare the almost instant ratio with the 9-days average.
We had Slush at 19xx GH/s yesterday, and 22xx a day before with almost the same long time average - so the comparison results can differ significantly.

Anyway it would be good to raise the complete pool speed to get better stability and to aviod that multihour blocks.

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catfish
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August 04, 2011, 07:37:06 AM
 #3397

why did we got yesterday only half of the reward?
If you're talking about the 3rd August, I noticed that as well.

Basically the latter found blocks give greater reward (on my miners, at least) and since 13 of the 3rd's blocks have been confirmed (as at the time of posting) but 10 of the 3rd's blocks are still awaiting confirmation... that makes pretty much half payout to me too.

This sounds like the software is performing according to specification. Best check the status of confirmed / unconfirmed blocks on any given day before asking about reward payout Smiley

Some days *do* seem slower than others - but the 'slowness' appears to be in the confirmation, not in the calculation. Is this due to big, long blocks? Anyone know?

On a given day, I normally get 4 payouts (set at minimum 0.25, I get between 0.25 and 0.33) - not a lot, but I'm working on rebuilding my machines and Slush's pool is *very* sensitive to even the slightest downtime - reboot one of my miners and I'll lose 5000000 BTC!!!! (arf arf).

Yesterday, I only received two payouts, less than half of normal in total... presumably the payouts for the 3rd will end up being paid on a different day due to how long it's taking to get the blocks confirmed!!!!


OH YEAH!!!! And I've found a block!!!!!!! Not only has one of my workers found its first block, it's the unstable 'runt of the litter' Sapphire 5850 'extreme' (yeah, right, 'extrEEEEEEME!!!!!111!!!' = overused word = meaningless). Out of all my cards (ALL of them, from 5670s to 5850s) it runs the lowest core clock, because it crashes so easily. Yet it's found a block. jejejejejejeje


...catfish

...so I give in to the rhythm, the click click clack
I'm too wasted to fight back...


BTC: 1A7HvdGGDie3P5nDpiskG8JxXT33Yu6Gct
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August 04, 2011, 12:05:30 PM
 #3398

why did we got yesterday only half of the reward?

There is still no other answer than "the probability" Smiley.

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August 04, 2011, 12:07:43 PM
 #3399

About screening blocks - at this moment there's no known algorithm to improve probability to find a block faster than is expected average. Ideas like "change block when round is extra long" does not work Smiley, every attempt (every nonce change) is almost perfectly random.

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August 04, 2011, 12:13:26 PM
 #3400

so days like these are just badluck and nothing to do about it but to increase the overall performance?
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