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Author Topic: [1500 TH] p2pool: Decentralized, DoS-resistant, Hop-Proof pool  (Read 2591620 times)
Aseras
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November 15, 2012, 02:35:42 PM
 #3841

why does p2pool always seem to fall on its face when the hashrate is > 380gh?
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twmz
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November 15, 2012, 02:47:30 PM
 #3842

why does p2pool always seem to fall on its face when the hashrate is > 380gh?

What makes you think it has fallen on its face?

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mdude77
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November 15, 2012, 02:56:35 PM
 #3843

why does p2pool always seem to fall on its face when the hashrate is > 380gh?

I used to think the same except I said > 300gh.

I now believe it's all variance. 

No one seems to complain when we get 6 blocks in a day, when we should get about 2.2.  We just complain when we have 24 hr blocks..

M

I mine at Kano's Pool because it pays the best and is completely transparent!  Come join me!
sharky112065
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November 15, 2012, 06:01:05 PM
 #3844

why does p2pool always seem to fall on its face when the hashrate is > 380gh?

I used to think the same except I said > 300gh.

I now believe it's all variance. 

No one seems to complain when we get 6 blocks in a day, when we should get about 2.2.  We just complain when we have 24 hr blocks..

M

The problem is that we never seem to get any of those 6 or 5 block days when we are above 350gh. If we would get just one of those 6 or 5 block days, then I will be convinced there is not some kind of bug/design flaw.

I say 350 but really don't know the exact rate it is. Seems over 300 but less than 400 when it happens.

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mdude77
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November 15, 2012, 07:14:26 PM
 #3845

why does p2pool always seem to fall on its face when the hashrate is > 380gh?

I used to think the same except I said > 300gh.

I now believe it's all variance. 

No one seems to complain when we get 6 blocks in a day, when we should get about 2.2.  We just complain when we have 24 hr blocks..

M

The problem is that we never seem to get any of those 6 or 5 block days when we are above 350gh. If we would get just one of those 6 or 5 block days, then I will be convinced there is not some kind of bug/design flaw.

I say 350 but really don't know the exact rate it is. Seems over 300 but less than 400 when it happens.

I used to be the same way.  But if you look at the numbers... right now we're at 360g/h, which works out about 11 hours if met right on "schedule".  With this low a hash rate, we will have really long blocks, and hopefully really short blocks.  According to http://p2pool.info/, we're well above the average time for block.  So yes the 24 hour blocks are painful, but we still come out ahead.

I'm hoping a bunch of people have the gumption to point their ASICs to p2pool so we can get the hash rate up to lower the variance.   (I know I intend to point at least one here...)

M

I mine at Kano's Pool because it pays the best and is completely transparent!  Come join me!
Aseras
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November 15, 2012, 07:22:23 PM
 #3846

Does the new v9 retarget miner difficulty dynamically?

On a fresh start it's this
Quote
New work for worker! Difficulty: 0.999985 Share difficulty: 725.187715 Total block value: 50.148150 BTC including 165 transactions

after a while it start showing this

Quote
New work for worker! Difficulty: 3.033185 Share difficulty: 633.860115 Total block value: 50.542400 BTC including 716 transactions
New work for worker! Difficulty: 2.537561 Share difficulty: 637.237788 Total block value: 50.542400 BTC including 717 transactions
New work for worker! Difficulty: 1.820309 Share difficulty: 738.198270 Total block value: 50.063150 BTC including 63 transactions
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November 15, 2012, 08:26:37 PM
 #3847

I'm hoping a bunch of people have the gumption to point their ASICs to p2pool so we can get the hash rate up to lower the variance.   (I know I intend to point at least one here...)

M
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Aseras
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November 15, 2012, 08:35:02 PM
 #3848

I'll have at least 1/2 TH pointed here.
forrestv (OP)
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November 15, 2012, 08:39:11 PM
 #3849

Does the new v9 retarget miner difficulty dynamically?

On a fresh start it's this
Quote
New work for worker! Difficulty: 0.999985 Share difficulty: 725.187715 Total block value: 50.148150 BTC including 165 transactions

after a while it start showing this

Quote
New work for worker! Difficulty: 3.033185 Share difficulty: 633.860115 Total block value: 50.542400 BTC including 716 transactions
New work for worker! Difficulty: 2.537561 Share difficulty: 637.237788 Total block value: 50.542400 BTC including 717 transactions
New work for worker! Difficulty: 1.820309 Share difficulty: 738.198270 Total block value: 50.063150 BTC including 63 transactions

Yes, that's new. Preparation for ASICs! It tries to regulate the work's difficulty to keep it at one response per second.

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mdude77
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November 15, 2012, 10:14:15 PM
 #3850

Twice now I've seen pools saying their stratum implementation will not support merged mining.  (BTCGuild and Oz).  Will that be the same with p2pool?

M

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November 15, 2012, 10:41:06 PM
 #3851

P2Pool release 9.0 tag: 9.0 hash: 2cb4d8381e179f71ea2075cdce948ea83cf0dc55

HARDFORK: Upgrade is required! Hardfork will happen after 95% of the pool's hash rate has upgraded. Everybody having not upgraded will be split off into a tiny P2Pool.

Windows binary: http://u.forre.st/u/urxoztyg/p2pool_win32_9.0.zip
Source zipball: https://github.com/forrestv/p2pool/zipball/9.0
Source tarball: https://github.com/forrestv/p2pool/tarball/9.0

Changes:
* Transaction preforwarding Transactions that you're mining are sent to peers before you get a share, so any block solution you find can be broadcast virtually instantaneously. This could theoretically get our invalid block rate below any other pool's thanks to our large network of nodes. This was implemented in v8, but was prevented from taking effect due to a bug being discovered.
* Stratum support in the P2Pool protocol. Stratum mining will be enabled in a future patch to v9.
here u go

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forrestv (OP)
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November 15, 2012, 11:37:18 PM
Last edit: November 16, 2012, 12:13:13 AM by forrestv
 #3852

Twice now I've seen pools saying their stratum implementation will not support merged mining.  (BTCGuild and Oz).  Will that be the same with p2pool?

No. P2Pool will support simultaneous Stratum and Merged mining. I don't believe that there's any technical reason for pools omitting MM support from their Stratum implementation (perhaps just a lack of incentive...)

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BR0KK
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November 16, 2012, 12:12:37 AM
 #3853

Switched to p2pool 9 already.

I really like the idea behind p2pool. Nice work that you do here! Smiley

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November 16, 2012, 12:56:26 AM
 #3854

Switched to p2pool 9 already.

I really like the idea behind p2pool. Nice work that you do here! Smiley

It *is* really cool, and it seems to work really well.  I needed some time to be convinced of it, but I am now!

(just ignore the high stale rate...)

M

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btharper
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November 16, 2012, 02:32:44 AM
 #3855

Does the new v9 retarget miner difficulty dynamically?

On a fresh start it's this
Quote
New work for worker! Difficulty: 0.999985 Share difficulty: 725.187715 Total block value: 50.148150 BTC including 165 transactions

after a while it start showing this

Quote
New work for worker! Difficulty: 3.033185 Share difficulty: 633.860115 Total block value: 50.542400 BTC including 716 transactions
New work for worker! Difficulty: 2.537561 Share difficulty: 637.237788 Total block value: 50.542400 BTC including 717 transactions
New work for worker! Difficulty: 1.820309 Share difficulty: 738.198270 Total block value: 50.063150 BTC including 63 transactions

Yes, that's new. Preparation for ASICs! It tries to regulate the work's difficulty to keep it at one response per second.
Is there any way to configure the period server or client side?
forrestv (OP)
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November 16, 2012, 02:36:37 AM
 #3856

Yes, that's new. Preparation for ASICs! It tries to regulate the work's difficulty to keep it at one response per second.
Is there any way to configure the period server or client side?

Not currently, no. Do you have a need to?

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tiberiandusk
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November 16, 2012, 02:50:06 AM
 #3857

CGminer says P2Pool is dead after switching to v9. It also pops up with errors about not having the merkel root.

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kano
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November 16, 2012, 02:55:05 AM
 #3858

Switched to p2pool 9 already.

I really like the idea behind p2pool. Nice work that you do here! Smiley

It *is* really cool, and it seems to work really well.  I needed some time to be convinced of it, but I am now!

(just ignore the high stale rate...)

M
Like any pool - if your rate is worse than the the other miners best rate, then you are losing out.
Unfortunately, on p2pool, the rate range is also much larger, so this has quite a sizeable effect.

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tiberiandusk
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November 16, 2012, 03:08:10 AM
 #3859

CGminer says P2Pool is dead after switching to v9. It also pops up with errors about not having the merkel root.

NM, it's working now.

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November 16, 2012, 07:25:57 AM
 #3860

Yes, that's new. Preparation for ASICs! It tries to regulate the work's difficulty to keep it at one response per second.
Is there any way to configure the period server or client side?

Not currently, no. Do you have a need to?
Is this per miner or per node? Ie I have only 150MH, some 1GH miner is uisng my node. What will be share diff for me and for him? Same?

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