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Author Topic: [XPM] [ANN] Primecoin Release - First Scientific Computing Cryptocurrency  (Read 687151 times)
mustyoshi
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July 10, 2013, 12:47:53 AM
 #1021

Found a CUDA implementation of the sieve here, too: http://www.mersenneforum.org/showthread.php?t=11900

Oh snap, things be going crazy.
Too bad the sieve is only half the problem.

If you can implement the primality tests, then we're talking.
It is a common myth that Bitcoin is ruled by a majority of miners. This is not true. Bitcoin miners "vote" on the ordering of transactions, but that's all they do. They can't vote to change the network rules.
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tacotime
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July 10, 2013, 12:50:43 AM
 #1022

Found a CUDA implementation of the sieve here, too: http://www.mersenneforum.org/showthread.php?t=11900

Oh snap, things be going crazy.
Too bad the sieve is only half the problem.

If you can implement the primality tests, then we're talking.

I'm not sure if this will be of help, but http://www.gpgpgpu.com/gecco2009/6.pdf

Code:
XMR: 44GBHzv6ZyQdJkjqZje6KLZ3xSyN1hBSFAnLP6EAqJtCRVzMzZmeXTC2AHKDS9aEDTRKmo6a6o9r9j86pYfhCWDkKjbtcns
reedlaw
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July 10, 2013, 12:59:19 AM
 #1023

Seeing this:
https://i.imgur.com/occkCI0.png

Bugs me a bit. Can someone fix this?

I second this.  Change this ASAP.  This is something you will take a LOT of flak for, very quickly if you don't get on it.

Change lines 82 and 85 in /src/qt/forms/optionsdialog.ui and then recompile. 

...assuming you know how to recompile

Or better yet, issue a pull request.
Tuck Fheman
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July 10, 2013, 01:05:23 AM
 #1024

i7 ...

Arcas
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July 10, 2013, 01:08:53 AM
 #1025

i7 ...

Yeah i7 as well, I've gotten 3 in the last 24 hours. About 160 Primes per second
ivanlabrie
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July 10, 2013, 01:43:57 AM
 #1026

This coin is mind boggling...I'd be surprised if you guys come up with an optimized cuda miner that outperforms radeons Cheesy (if they can even mine this thing at all further down the road)
SaltySpitoon
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July 10, 2013, 01:44:27 AM
 #1027

I've hit a few blocks so far, but when I use the getprimespersec command, it shows up as like 3-5 primes per sec. Pretty sure this is wrong, seeing as I'm using an 8350. That and that I've hit a fair number of blocks in the last few hours. Anyone else having issues like that?
gudmunsn
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July 10, 2013, 01:49:12 AM
 #1028

I've hit a few blocks so far, but when I use the getprimespersec command, it shows up as like 3-5 primes per sec. Pretty sure this is wrong, seeing as I'm using an 8350. That and that I've hit a fair number of blocks in the last few hours. Anyone else having issues like that?

That isn't happening for me, but I am also on an i7 3770.  What it does suggest is that getprimespersec really isn't related to how fast you're solving blocks. If you've hit a fair number of blocks in the last few hours with 3-5 primes per sec and my i7 hasn't hit a block in 4 hours with an average of 220 primes per sec, something is amiss, or you're just very lucky.

Tuck Fheman
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July 10, 2013, 01:51:36 AM
 #1029

The primespersec measure is for fun only, it does not necessarily reflect true mining performance. The only accurate measure is block rate, that is, given a fixed difficulty how fast can you generate blocks. To measure this one can use a lower difficulty than the network difficulty.

bump

SaltySpitoon
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July 10, 2013, 01:54:14 AM
 #1030

The primespersec measure is for fun only, it does not necessarily reflect true mining performance. The only accurate measure is block rate, that is, given a fixed difficulty how fast can you generate blocks. To measure this one can use a lower difficulty than the network difficulty.

bump

Yeah I just found that, thanks.
Zalfrin
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July 10, 2013, 01:55:38 AM
 #1031

HAs anyone successfully built on MS Visual Studio?

I gave up with VS 2010 and installed Xubuntu to do my recompiling

I just succeed to compile with mingw. I used this thread for instructions: https://bitcointalk.org/index.php?topic=149479.0

Thanks for pointing this out. For anyone wanting to compile on windows, here you go. Most complete guide you're going to find. I was having trouble getting boost installed previously. This thread got me pointed in the right direction. Stock (unmodified) primecoind is compiling happily now on Win7 x64.
ivanlabrie
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July 10, 2013, 02:13:37 AM
 #1032

HAs anyone successfully built on MS Visual Studio?

I gave up with VS 2010 and installed Xubuntu to do my recompiling

I just succeed to compile with mingw. I used this thread for instructions: https://bitcointalk.org/index.php?topic=149479.0

Thanks for pointing this out. For anyone wanting to compile on windows, here you go. Most complete guide you're going to find. I was having trouble getting boost installed previously. This thread got me pointed in the right direction. Stock (unmodified) primecoind is compiling happily now on Win7 x64.

Thanks man, I'm gonna have to learn some Visual Studio, and how to compile Smiley
Zalfrin
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July 10, 2013, 02:22:14 AM
 #1033

HAs anyone successfully built on MS Visual Studio?

I gave up with VS 2010 and installed Xubuntu to do my recompiling

I just succeed to compile with mingw. I used this thread for instructions: https://bitcointalk.org/index.php?topic=149479.0

Thanks for pointing this out. For anyone wanting to compile on windows, here you go. Most complete guide you're going to find. I was having trouble getting boost installed previously. This thread got me pointed in the right direction. Stock (unmodified) primecoind is compiling happily now on Win7 x64.

Thanks man, I'm gonna have to learn some Visual Studio, and how to compile Smiley

Good luck. Also note, at the end of the linked thread, some kind soul has put together a bunch of batch files that should get your build environment all set up. I'm giving it a try that way now after struggling through the manual installs and running into a few roadblocks along the way.
8bitPunk
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July 10, 2013, 02:22:50 AM
 #1034

Found a CUDA implementation of the sieve here, too: http://www.mersenneforum.org/showthread.php?t=11900

Oh snap, things be going crazy.
Too bad the sieve is only half the problem.

If you can implement the primality tests, then we're talking.

Why not use the existing primecoind primality tests?
This means the CPU is utilized for hashing the origin block and establishing the sieve for the GPU to execute with the results passed back to the CPU for the less intensive primality test. By using the same primality test you are also ensuring that the network nodes will confirm your block.

BTC 18bPunkuginRBm1Xz9mcgj8mWJnHDAW5Th | Ł LTCgXEdyBdoQ9WdF6JHi7Pa2EWtzbDjG76 | Ψ ATEBiTLkLpAYeW5hQknUfSvnb7Abbgegku
mik3
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July 10, 2013, 02:25:04 AM
 #1035

So does anyone know how many coins are going to be mined total? Is it in the tens of millions or hundreds?
Loktera
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July 10, 2013, 02:27:30 AM
 #1036

So does anyone know how many coins are going to be mined total? Is it in the tens of millions or hundreds?
Your answer is in the whitepaper; you should give it a read.
mustyoshi
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July 10, 2013, 02:34:08 AM
 #1037

Anytime I use more than one thread my pps goes down.
ivanlabrie
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July 10, 2013, 02:36:34 AM
 #1038

Interesting, yet pps are supposed to mena nothing...or not?

Sunny King you clever bastard, got us all like this:  Huh
innovation
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July 10, 2013, 02:43:07 AM
 #1039

I create a new tencent qq group 255519396 for XPM trade.

Anyone can join qq group for trade XPM/RMB BTC LTC.

腾讯QQ XPM交易群,群号  255519396 ,欢迎交流。
8bitPunk
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July 10, 2013, 02:53:05 AM
 #1040

Block spacing is back under ~20 seconds... and difficulty is creeping towards 7.5...

BTC 18bPunkuginRBm1Xz9mcgj8mWJnHDAW5Th | Ł LTCgXEdyBdoQ9WdF6JHi7Pa2EWtzbDjG76 | Ψ ATEBiTLkLpAYeW5hQknUfSvnb7Abbgegku
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