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Author Topic: [XPM] [ANN] Primecoin High Performance | HP14 released!  (Read 392659 times)
superfluouso
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July 21, 2013, 07:07:31 PM
 #1001

Thanks Mikaelh!  Love having the additional stuff in getmininginfo.  Can confirm my pps went up on an 8 core though still below were it was at before difficulty hit 9.

edit - pps improves more for me with sievesize=2000000 and sievepercentage=8
Once a transaction has 6 confirmations, it is extremely unlikely that an attacker without at least 50% of the network's computation power would be able to reverse it.
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minerstorm
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July 21, 2013, 07:09:06 PM
 #1002

AMD Phenom II X6 3.4 Ghz
The rate has dropped for 2000 pps
The reason? difficulty?
Tripjammer
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July 21, 2013, 07:09:37 PM
 #1003

Have not crashed yet on the 64 bit windows version HP6. Crossing my fingers!

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hasle2
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July 21, 2013, 07:33:53 PM
 #1004

Anyone running many machines experienced a major slowdown in the block rate since about 14 hours ago? I was getting around 40 blocks a day, not it looks like I'm getting 20.
OnlyC
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July 21, 2013, 07:36:12 PM
 #1005

Anyone running many machines experienced a major slowdown in the block rate since about 14 hours ago? I was getting around 40 blocks a day, not it looks like I'm getting 20.

difficulty 9 already, that's the reason

40blocks? How much PPS you got?
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July 21, 2013, 07:40:29 PM
 #1006

40 blocks a day, holy pps, no wonder why I got not shit for the last a few days.
FreeTrade
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July 21, 2013, 07:43:38 PM
 #1007

difficulty 9 already, that's the reason

What's the reason it is only 9?
I'm trying to get my head around the idea that Quarkcoin launched a few hours ago and is already 57 difficultly.*

Is that an apples to oranges comparison? Surely Quarkcoin can't have 6 times the network strength of Primecoin.

As Primecoin difficulty rises, the supply of coins really gets choked off - at difficultly of 32 . . . that's 999/(32*32)= .975 coins per block.

*Oh, it's gone up to 63 since I wrote those two sentences.

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rethaw
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July 21, 2013, 07:44:36 PM
 #1008

difficulty 9 already, that's the reason

What's the reason it is only 9?
I'm trying to get my head around the idea that Quarkcoin launched a few hours ago and is already 57 difficultly.*

Is that an apples to oranges comparison? Surely Quarkcoin can't have 6 times the network strength of Primecoin.

As Primecoin difficulty rises, the supply of coins really gets choked off - at difficultly of 32 . . . that's 999/(32*32)= .975 coins per block.

*Oh, it's gone up to 63 since I wrote those two sentences.

Yes, completely different.

maco
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July 21, 2013, 07:47:36 PM
 #1009

difficulty 9 already, that's the reason

What's the reason it is only 9?
I'm trying to get my head around the idea that Quarkcoin launched a few hours ago and is already 57 difficultly.*

Is that an apples to oranges comparison? Surely Quarkcoin can't have 6 times the network strength of Primecoin.

As Primecoin difficulty rises, the supply of coins really gets choked off - at difficultly of 32 . . . that's 999/(32*32)= .975 coins per block.

*Oh, it's gone up to 63 since I wrote those two sentences.

Yes, completely different.

and what the heck is Quarkcoin? ... doesn't exist on paper, or the internet (lolz)
Tuck Fheman
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July 21, 2013, 07:48:36 PM
 #1010

hp6 is better just because I keep saying "chain spermin" repeatedly and laughing.

FreeTrade
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July 21, 2013, 07:50:03 PM
 #1011

and what the heck is Quarkcoin? ... doesn't exist on paper, or the internet (lolz)

Too new for Google!

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FreeTrade
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July 21, 2013, 07:51:11 PM
 #1012

Yes, completely different.

Does Primecoin difficulty scale approximately linearly with computing power? If the processing power doubles, does the difficulty double (eventually) too?

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eCoinomist
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July 21, 2013, 07:54:23 PM
 #1013

posted in the wrong thread, moving here:
@mikaelh, it seems to be crashing a lot with HP6:
Code:
primecoind: checkqueue.h:171: CCheckQueueControl<T>::CCheckQueueControl(CCheckQueue<T>*) [with T = CScriptCheck]: Assertion `pqueue->nTotal == pqueue->nIdle' failed.

I get a crash on 70% of machines in 5 minutes gap (16cores).

Though I did not use your Linux compliation, (used my own, since it worked better for me).

Do I need to install it your way for HP6 to work? Or perhaps Reboot? (after rebooting, seems to stopped crashing, no more error above so far)

I do notice ~15% increase in PPS from 8.3k to 9.5k pps, and chain/hr seems to average 20, just found a block,

Effayy
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July 21, 2013, 07:55:30 PM
 #1014

Silly question but:

What does sievepercentage refer to? If I'm going to attempt to tune it, it helps to know what exactly it's doing. Smiley

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Tuck Fheman
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July 21, 2013, 07:58:30 PM
 #1015

Silly question but:

What does sievepercentage refer to? If I'm going to attempt to tune it, it helps to know what exactly it's doing. Smiley

It limits how many base primes are used to filter out candidate multipliers in the sieve. 8% seems optimal for testnet but I have no idea about mainnet.

ivanlabrie
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July 21, 2013, 07:59:16 PM
 #1016

How much does it cost to run such a vps cluster?
notlist3d
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July 21, 2013, 08:05:41 PM
 #1017

How much does it cost to run such a vps cluster?


Varries not all are equal.  By now most are not efficient.
n4ru
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July 21, 2013, 08:08:52 PM
 #1018

Anyone running many machines experienced a major slowdown in the block rate since about 14 hours ago? I was getting around 40 blocks a day, not it looks like I'm getting 20.
I'm currently averaging 14 blocks/hour after diff 9. Was at around 16 - 18/hour yesterday afternoon.

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notlist3d
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July 21, 2013, 08:11:38 PM
 #1019

Anyone else seeing drop in PPS?
hasle2
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July 21, 2013, 08:20:36 PM
 #1020

Before the switch to diff 9 I was getting 400-500k pps when all the machines are added up. I started seeing the drop about 10 hours before the switch to diff 9 though. The difficulty change should not have any effect on the block rate anyway. The total average blocks per day should stay the same and I should get on average x% of the blocks where x is the % of the total mining power I have. So for my rate to drop either there was a huge jump in mining, such as many gpu miners coming online, or my setup is not working properly since 16 hours ago.

It's looking like mining is getting significantly less profitable without a gpu miner.
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