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Author Topic: [9 TH] Bitparking Pool, DGM 0%,vardiff,stratum,Merge Mining  (Read 151115 times)
purelithium
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September 11, 2013, 08:33:49 PM
 #1261

I'm with you Lucko, it irritates me that we are essentially penalized for an error. even if a block gets orphaned, our DGM estimates shouldn't drop as they would have with a paid block.

Like my post? 1H7bfRYh7F89mfmFgsRCdn4awDaUHQmYqY
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doublec
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September 11, 2013, 10:29:17 PM
 #1262

I'm with you Lucko, it irritates me that we are essentially penalized for an error. even if a block gets orphaned, our DGM estimates shouldn't drop as they would have with a paid block.
You won't be penalized for it - when I've tracked it down I'll reverse the effects.
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September 11, 2013, 10:42:22 PM
 #1263

Why do I have three pending BTC payments?

EDIT: Never mind, there's only one now, the really quick block.

Code:
Donations: BTC: 1Jp2R7dF9gYr872FkXiap2MaYaHNEfwWhZ -- XMR: 42QWoLF7pdwMcTXDviJvNkWEHJ4TXnMBh2Cx6HNkVAW57E48Zfw6wLwDUYFDYJAqY7PLJUTz9cHWB5C4wUA7UJPu5wPf4sZ -- GPG Key ID: 0x88CBE71ADD5FB10F
Lucko
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September 11, 2013, 11:31:11 PM
 #1264

I'm with you Lucko, it irritates me that we are essentially penalized for an error. even if a block gets orphaned, our DGM estimates shouldn't drop as they would have with a paid block.
Just to comment this a bit. Real orphaned needs to drop DGM average. But error shouldn't. DMG pays more then pool makes so orphaned fix that. Alternative you can also have higer fees to negate that. But DMG itself plans to count in orphaned and calculate payments accordingly... So that is OK as long it is not an error.
purelithium
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September 12, 2013, 12:07:43 AM
 #1265

DMG pays more then pool makes

Not true at all, it pays out much less than the pool makes on a long round, but more than the pool makes on a short round. That's what evens it out, not orphaned blocks.

Like my post? 1H7bfRYh7F89mfmFgsRCdn4awDaUHQmYqY
doublec
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September 12, 2013, 12:20:52 AM
 #1266

I've removed the two erroneous blocks from the system and put a note on the front page of the pool about it. I'll adjust the DGM payment amounts this weekend and comment here when done. I've put some logging and changes in place to track down where the double submission might be occurring.
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September 12, 2013, 05:07:51 AM
 #1267

DMG pays more then pool makes

Not true at all, it pays out much less than the pool makes on a long round, but more than the pool makes on a short round. That's what evens it out, not orphaned blocks.
I wasn't talking about that... I was talking about math that calculate DMG payment... I think this post explains a lot more then I could.
Will the scores get recalculated when a block is orphaned? If I understand DGM correctly (doubtful Wink) and the pool finds a block that is later orphaned, the payments of the next valid block will be lower than they would be if the orphaned block never existed.
The effect of the payments of the next valid block will depend on if the orphan block is short or long. In the longer term this effect is minimized and the the general cost to the miner is the percentage of orphan blocks the pool gets.

According to Meni Rosenfeld, the DGM creator, the scores should not be adjusted if an orphan occurs. There's a discussion in the DGM thread about this and you should raise any questions you have there. Here's what Meni says:
Quote
I can see why it is intuitive to treat orphaned block as if they never happened - thus cancelling S=S*o - but the method invariant is based on the assumption that a share has a probability of d/D to be a block. If orphans exist this is no longer the case, shares actually have a lower chance of becoming a valid block. If orphans are ignored completely, the operator will pay out more than he should (the block rewards he actually receives are lower than the method assumes). I've done the math and if you simply cancel the payment specified for the orphan blocks, everything is just right. This assumes, however, that every block, once received by the pool, has the same chance to become an orphan.

And later in the thread:

Quote
Shares submitted after the orphan will be worth more than those submitted before, and this is proper.

The orphan did happen and this is information that needs to be taken into account. The orphan blocks are not in addition to the valid blocks - they are instead, some of the blocks which should have been valid end up orphans instead. The correct comparison is not orphan vs. no block, but rather orphan vs. valid block.

When a block is found, all past shares have a chance to get a payday if it ends up valid. The cost of this chance at payment is the score reduction - even if, contingently, it ends up an orphan. Later shares never had a chance to profit from the block, and thus don't get their scores reduced for it.

This is similar to the situation with shares in general in a pool - when you submit a share, you are rewarded even if the particular share was of no use, because in finding a share you had a chance to benefit the pool - and you get an expected reward equal to your expected contribution.

It would be nice to have a method that could adjust for orphan blocks and 'make up' payment for them but it's not possible since we can't predict the probability of a block accurately in the presence of orphans. The pool doesn't have a way to 'make up' the cost of orphans and pass that on to miners, other than increasing the fee to approximate the orphan rate. From what I can tell users prefer losing out on orphans but paying a lower fee.
doublec
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September 15, 2013, 04:43:06 AM
 #1268

i0coin is tradeable on Vircurex now.
kjlimo
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September 18, 2013, 04:34:46 AM
 #1269

So I had some gear show up, and for now I'm mining with it.

My BFGMiner is displaying 5s:660 GH/s and u:622 GH/s

However, my page is displaying 580 GH/s ish.  We'll see what it displays by the AM.  I've been to quick to worry in the past.

CampBX for buying BTCs, Coinbase for selling BTCs or Vircurex or Cryptsy for trading alternate cryptocurrencies like DOGEs

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September 18, 2013, 04:40:02 AM
 #1270

Relax

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Bitcoin: 3DSh6AnmvBpDJFUz2mnLirMLmTMcFs9nDm
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kjlimo
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September 18, 2013, 04:41:43 AM
 #1271

Relax

lol, fair enough.  I'll set my monitor to e-mail me when it falls below 600 GH/s and see if the e-mails stop at some point before I wake up.

CampBX for buying BTCs, Coinbase for selling BTCs or Vircurex or Cryptsy for trading alternate cryptocurrencies like DOGEs

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September 18, 2013, 04:48:02 AM
 #1272

what do you have w/ 600ghs

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kjlimo
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September 18, 2013, 05:20:06 AM
 #1273

what do you have w/ 600ghs

11 BFL Singles SC. 

Just got done packing my FPGAs so I can get my remaining 4 on pre-order.

CampBX for buying BTCs, Coinbase for selling BTCs or Vircurex or Cryptsy for trading alternate cryptocurrencies like DOGEs

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Apheration
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September 18, 2013, 03:12:29 PM
 #1274

what do you have w/ 600ghs

11 BFL Singles SC. 

Just got done packing my FPGAs so I can get my remaining 4 on pre-order.

How long was the wait?

kjlimo
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September 18, 2013, 03:22:57 PM
 #1275

what do you have w/ 600ghs

11 BFL Singles SC. 

Just got done packing my FPGAs so I can get my remaining 4 on pre-order.

How long was the wait?

too long...

Looking forward to my KnC Miner[/url which should hopefully stay much more on schedule... if I didn't just jinx it!

CampBX for buying BTCs, Coinbase for selling BTCs or Vircurex or Cryptsy for trading alternate cryptocurrencies like DOGEs

PM me with any questions on these sites!  Happy to help!

Bitcoin Poker at Seals                  Strike Sapphire Casino  Free games every hour & day!
  Get Free Bitcoins here.

Spondoolies-Tech or KnC Miner for the fastest mining hardware available!

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September 19, 2013, 10:46:28 PM
 #1276

I've removed the two erroneous blocks from the system and put a note on the front page of the pool about it. I'll adjust the DGM payment amounts this weekend and comment here when done. I've put some logging and changes in place to track down where the double submission might be occurring.
Any news on recalculation?
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September 19, 2013, 11:45:33 PM
 #1277

I've removed the two erroneous blocks from the system and put a note on the front page of the pool about it. I'll adjust the DGM payment amounts this weekend and comment here when done. I've put some logging and changes in place to track down where the double submission might be occurring.
Any news on recalculation?

Is that why I cannot withdraw anything right now? Or is that a separate issue?

doublec
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September 19, 2013, 11:49:06 PM
 #1278

I've removed the two erroneous blocks from the system and put a note on the front page of the pool about it. I'll adjust the DGM payment amounts this weekend and comment here when done. I've put some logging and changes in place to track down where the double submission might be occurring.
Any news on recalculation?
I've not finished it yet but I will complete it soon.
doublec
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September 19, 2013, 11:49:38 PM
 #1279

Is that why I cannot withdraw anything right now? Or is that a separate issue?
Withdrawals should be working. Email admin@bitparking.com with account details if you have issues.
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September 19, 2013, 11:52:55 PM
 #1280

Is the site down?

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