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Alternate cryptocurrencies / Announcements (Altcoins) / Re: [XPM] [ANN] Primecoin High Performance
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on: July 14, 2013, 05:43:48 AM
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Early results with a sieve size of 1,000,000. $ grep primemeter debug-hp2.log
2013-07-14 00:16:03 primemeter 43070284 prime/h 300695577 test/h
2013-07-14 00:18:03 primemeter 44915077 prime/h 311393971 test/h
$ grep -c "Probable prime chain" debug-hp2.log
69 Looking good I think. mikaelh, Good work. Could you try to test how much performance boost were coming from limiting sieve round to 10% on the test net, to separate it from the effect of switching library. |
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Alternate cryptocurrencies / Altcoin Discussion / Re: [XPM] [FASTER!] Mining PrimeCoin using DigitalOcean (VPS)
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on: July 13, 2013, 02:45:32 AM
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Please refrain from mining on momento. Our seed nodes are located there. If you kill the cluster you would cause me a lot of trouble.
I made a deposit there...0.1btc, what do I do with that then? :/ How/why would it hurt to mine on say one 8 core instance? I'm not super greedy, but don't feel like wasting money. I think momento's cluster is very small, if I run mining in 2 vms, they basically each generate half compared to just run mining in 1 vm. So don't try to consume all cpu there, I already felt slow there today. Mine some, I think you should be able to make the money back. But I would advise other people refrain from mining there. |
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Alternate cryptocurrencies / Announcements (Altcoins) / Re: [XPM] [ANN] Primecoin Release - First Scientific Computing Cryptocurrency
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on: July 12, 2013, 09:56:30 PM
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So right now, network hashrate is just showing how many hashes/sec would be necessary to obtain that many blocks at that difficulty *for bitcoin*. It's not useless. The primecoin paper indicates that the primecoin difficulty linearly affects prime-chain finding probability just as bitcoin's difficulty linearly affects it's block finding probability. So my chart is simply off by some constant factor -- the proportions are accurate but don't pay attention to the actual numbers.
The linearity I am referring to is the 'difficulty model'. For the difficulty number you see in getdifficulty, it's the target length, which gets exponentially harder. With current estimate length 8 target is ~30 times harder than length 7 target. |
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Alternate cryptocurrencies / Altcoin Discussion / Re: [XPM] Primecoin Built-in Miner Sieve Performance Issue
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on: July 12, 2013, 07:55:06 PM
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Please note primespersecond is not an accurate measure of actual performance. It has some correlations but if sieve round is reduced too short you could see inflated pps but not really faster performance. Only block rate is an accurate measure of true performance.
How can I see block-rate in the debug console? Unfortunately this is not currently measured in the client. It can be tested on testnet though. |
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Alternate cryptocurrencies / Announcements (Altcoins) / Re: [XPM] [ANN] Primecoin Release - First Scientific Computing Cryptocurrency
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on: July 12, 2013, 06:27:12 PM
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Why is coin limit a flaw? That's the one major advantage of Bitcoin. Controlled and finite supply of currency. Faster block confirms result in more forks, nothing more. Potential resistance to specialized hardware? I don't think so, I am sure we can use CUDA here.
It's not a flaw if you are thinking purely in terms of its store-of-value property. Bitcoin has a stronger scarcity model than gold. However acting as a currency is not only for store-of-value. One needs to do better at all three functions of money. I have discussed this topic in the design paper why minting is designed as such in primecoin. In primecoin a preference toward preserving mining market is favored over a too strong scarcity model. In a couple of years we shall see whether I am right, I think bitcoin is losing its mining market share partly due to this. |
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Alternate cryptocurrencies / Altcoin Discussion / Re: [XPM] Primecoin Built-in Miner Sieve Performance Issue
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on: July 12, 2013, 01:48:54 AM
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I don't have any agenda towards you or your coins.
I have an odd mixture of appreciation for your work, and being appalled by the entire presentation and follow through.
It's clear you've done this far more casually than most people could. When I read the original announcements, I was enthused. I read that at ppcoin forums the day you posted it becuase I was looking for more information about primecoin and it's work. I waited eagerly for the release, and I've mined the coin on several boxes along with my other activities. I mean thanks for helping me pay my bills.
Just sort of tossing an unfinished product out there and practically walking away from it is pretty shocking. The sort of "figure out yourself" attitude was surprising, for someone pushing out a change like this. To come out and bitch at the people trying to sort it out, after all that, is really just the cherry on top.
Looks more and more shady. Like the market ploy is more important, to you, than the innovation you've chosen to push it. Of course it's good to have a strategy. Whether it's a good strategy or not is another issue, and who it's good for is a third.
So, I'm fascinated with it and sharing my thoughts to receive feedback and other inputs. There are a great many man-hours being spent refining your work. If you're not going to help, you could at least avoid complaining about the direction of the efforts.
Now everybody stop fucking with your CPUs (and the wallet) and get on that GPU miner so sunny can have his threat to Litecoin!
Or am I somehow missing the whole point?
Let's just say, you have no idea how critical time to market now is. I could wait a couple more months so to have a more 'perfect' thing for you, but then what's the impact to the overall competitive landscape? You can feel cozy in your conspiracy theory about me, whatever you like. But at least get the facts straight. The most improvement in the stock miner was from me yesterday actually. My post earlier was to warn the contributors of the danger messing with core protocol code without going through development process. Ask any competent crypto developer about whether what I said was true. I did not mean to diminish their enthusiasm to contribute and help, on the contrary I appreciate their participation. |
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(Compiled on Ubuntu great, CentOS is a nightmare, and all of my servers take forever to resolve dependencies and such xD)
