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Author Topic: [XPM] [ANN] Primecoin High Performance | HP14 released!  (Read 394059 times)
glongsword
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July 22, 2013, 09:46:28 PM
 #1121

Has anybody else noticed the rate slowing down DRAMATICALLY?  In the past two hours, only 31 blocks have been found!  That's one block every FOUR minutes!!!  Also, my CPU is no longer showing 100% utilization.  Only 50%, despite having the same mining settings as always.  Anybody else notice this behavior?
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n4ru
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July 22, 2013, 09:49:41 PM
 #1122

Has anybody else noticed the rate slowing down DRAMATICALLY?  In the past two hours, only 31 blocks have been found!  That's one block every FOUR minutes!!!  Also, my CPU is no longer showing 100% utilization.  Only 50%, despite having the same mining settings as always.  Anybody else notice this behavior?
Me and Jig shut down our servers, and many other botnets have as well. So from us alone, that's -20% network power.

Waiting on a fix for the large blocksize flaw.

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8bitPunk
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July 22, 2013, 10:24:03 PM
 #1123

Has anybody else noticed the rate slowing down DRAMATICALLY?  In the past two hours, only 31 blocks have been found!  That's one block every FOUR minutes!!!  Also, my CPU is no longer showing 100% utilization.  Only 50%, despite having the same mining settings as always.  Anybody else notice this behavior?
Me and Jig shut down our servers, and many other botnets have as well. So from us alone, that's -20% network power.

Waiting on a fix for the large blocksize flaw.

Looks like the transactions with large numbers of inputs have gone through and everyone's mempool is cleared out...

Block spacing is back under 1 min - @n4ru You've switched back on eh  Undecided

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n4ru
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July 22, 2013, 10:32:11 PM
 #1124

Has anybody else noticed the rate slowing down DRAMATICALLY?  In the past two hours, only 31 blocks have been found!  That's one block every FOUR minutes!!!  Also, my CPU is no longer showing 100% utilization.  Only 50%, despite having the same mining settings as always.  Anybody else notice this behavior?
Me and Jig shut down our servers, and many other botnets have as well. So from us alone, that's -20% network power.

Waiting on a fix for the large blocksize flaw.

Looks like the transactions with large numbers of inputs have gone through and everyone's mempool is cleared out...

Block spacing is back under 1 min - @n4ru You've switched back on eh  Undecided
We got back on a couple minutes ago. Implemented a temp fix courtesy of tyrion @ mcxNOW.

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forsetifox
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July 22, 2013, 10:35:49 PM
 #1125

Has anybody else noticed the rate slowing down DRAMATICALLY?  In the past two hours, only 31 blocks have been found!  That's one block every FOUR minutes!!!  Also, my CPU is no longer showing 100% utilization.  Only 50%, despite having the same mining settings as always.  Anybody else notice this behavior?
Me and Jig shut down our servers, and many other botnets have as well. So from us alone, that's -20% network power.

Waiting on a fix for the large blocksize flaw.

Looks like the transactions with large numbers of inputs have gone through and everyone's mempool is cleared out...

Block spacing is back under 1 min - @n4ru You've switched back on eh  Undecided
We got back on a couple minutes ago. Implemented a temp fix courtesy of tyrion @ mcxNOW.

Oh good. The people owning the network are safe.

 Tongue
tyrion70
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July 22, 2013, 10:37:58 PM
 #1126

Has anybody else noticed the rate slowing down DRAMATICALLY?  In the past two hours, only 31 blocks have been found!  That's one block every FOUR minutes!!!  Also, my CPU is no longer showing 100% utilization.  Only 50%, despite having the same mining settings as always.  Anybody else notice this behavior?
Me and Jig shut down our servers, and many other botnets have as well. So from us alone, that's -20% network power.

Waiting on a fix for the large blocksize flaw.

Looks like the transactions with large numbers of inputs have gone through and everyone's mempool is cleared out...

Block spacing is back under 1 min - @n4ru You've switched back on eh  Undecided
We got back on a couple minutes ago. Implemented a temp fix courtesy of tyrion @ mcxNOW.
I stopped earlier; but when I heard n4ru stopped I turned on everything I had Smiley With a small temporary fix I thought up. Luckily n4ru started again, so now all we have to do is wait for the permanent fix from Sunny Smiley

Thx n4ru for the trust!

@Forsetifox we're all just lucky we're not gpu mining yet.. then the hashrate couldn't get back so soon once everyone switched to another coin..

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July 22, 2013, 10:45:00 PM
 #1127

large block miner fix ready for testing @
https://github.com/primecoin/primecoin/commit/efd6700bc440e1ff42623c6abf9dd6eca127a424
n4ru
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July 22, 2013, 10:47:19 PM
 #1128

Applying this patch to mikael's hp6 and testing.

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n4ru
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July 22, 2013, 11:13:22 PM
 #1129

Incredibly curious - who solved block 78414?

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96redformula
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July 22, 2013, 11:18:59 PM
 #1130

On Linux I am crashing on every single build of primecoin, even with the new update Sad.
SlyWax
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July 22, 2013, 11:20:40 PM
 #1131

Incredibly curious - who solved block 78414?

You mean the "BeBad 414" block !   Grin
OnlyC
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July 22, 2013, 11:22:53 PM
 #1132

How to n4ru? I've removed and inserted some lines from Sunny, but got error when compiling Sad
Bitmong
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July 22, 2013, 11:34:38 PM
 #1133

The patch won't apply directly, because Sunny's client uses CBigNum and mikaelh's uses the GMP library. So, one has to convert the code to use GMP.
jubalix
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July 22, 2013, 11:42:03 PM
 #1134

where do you get the realtime current hash from???

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8bitPunk
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July 23, 2013, 12:07:44 AM
 #1135

where do you get the realtime current hash from???
getblockcount will tell you the current block index
then getblockhash <index> will output the hash

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blackboy
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July 23, 2013, 12:27:58 AM
 #1136

In the mean time what do we use?

Resistance is futile. Embrace cryptocurrencies.
8bitPunk
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July 23, 2013, 12:51:29 AM
 #1137

In the mean time what do we use?

Mikaelh is sleeping. However, it is unlikely this network issue will reoccur in the next 8 hours.
Keep running hp6 for now...

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hasle2
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July 23, 2013, 04:47:07 AM
 #1138

Does anyone know of a forum or post where people are talking about the technical details of primecoin and its code? Especially about conversion to mining on a gpu.
jubalix
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July 23, 2013, 07:11:13 AM
 #1139

where do you get the realtime current hash from???
getblockcount will tell you the current block index
then getblockhash <index> will output the hash


thanks!

ah,,,,I mean the hash rate GHZ THZ MHZ etc

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eule
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July 23, 2013, 07:34:15 AM
 #1140

Mikaelh, do you think the GPY sieve described in this article http://www.wired.com/wiredscience/2013/05/twin-primes/all/ and this http://arxiv.org/abs/math/0508185 paper could be useful i.e. faster than the sieve of Eratosthenes?

From the wired article:
Quote
The Sieve of Eratosthenes works perfectly to identify primes, but it is too cumbersome and inefficient to be used to answer theoretical questions. Over the past century, number theorists have developed a collection of methods that provide useful approximate answers to such questions.

“The Sieve of Eratosthenes does too good a job,” Goldston said. “Modern sieve methods give up on trying to sieve perfectly.”

GPY developed a sieve that filters out lists of numbers that are plausible candidates for having prime pairs in them. To get from there to actual prime pairs, the researchers combined their sieving tool with a function whose effectiveness is based on a parameter called the level of distribution that measures how quickly the prime numbers start to display certain regularities.

The level of distribution is known to be at least ½. This is exactly the right value to prove the GPY result, but it falls just short of proving that there are always pairs of primes with a bounded gap.
Since we don't try to prove that there is an infinite number of primechains, it should work, right? Discussed here too https://bitcointalk.org/index.php?topic=252636.0

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