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1  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [XPM] [ANN] Primecoin High Performance on: July 15, 2013, 07:57:10 PM
What sieve size is everyone using?

mikaelh said earlier that he got significantly more blocks (on the testnet) with a sieve size of 2 million instead of 1 million.
2  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [XPM] [ANN] Primecoin High Performance on: July 14, 2013, 06:23:27 PM
Hmm what would be the optimal sievesize for a Ivy 3570K ?
3  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [XPM] [ANN] Primecoin High Performance on: July 14, 2013, 06:08:30 PM
New version is out. It mainly adds a tuning parameter called -sievesize. Use it like this: primecoind -sievesize=2000000

I did some experiments with the sieve size and I was able to get significantly higher more blocks with a sieve size of 2M on a Core i7-4770k. There did seem to be some variance though.

The parameter will also affect your primespersec but it's always better to measure the block rate for now.

"Use it like this: primecoind -sievesize=2000000" <--- where exactly do I use this? Tried to type it in the console and got an error message.
4  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [XPM] [ANN] Primecoin High Performance on: July 14, 2013, 05:38:07 AM
Just WOW: found another block in just 20 minutes mining with the new version primecoin-0.1.1-hp2-winx64.

This is by far the best miner/version out there right now!
5  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [XPM] [ANN] Primecoin High Performance on: July 14, 2013, 05:29:52 AM
Good Work!

Used this version: primecoin-0.1.1-hp1-winx64 and got my first block in around 5 hours mining with it. Just updated to primecoin-0.1.1-hp2-winx64 but I'm getting a lower PPS than the previous build:


Ivy 3570K @ 4,4 Ghz

primecoin-0.1.1-hp1-winx64:   around 8000 PPS
primecoin-0.1.1-hp2-winx64:   around 6800 PPS

Gonna trust mikaelh and will use the updated version with the lower PPS.
6  Alternate cryptocurrencies / Altcoin Discussion / Re: [XPM] Primecoin Built-in Miner Sieve Performance Issue on: July 13, 2013, 09:03:13 AM
I'm currently using this version: primecoin0712v2-ivyonly

Mining for 13 hours now with around 1200-1500 PPS and not a single coin yet... does anyone actually got a coin with this build?

Date: 13.07.2013 2:37
Source: Generated
Credit: 15.74 XPM
Net: +15.74 XPM

Date: 12.07.2013 23:46
Source: Generated
Credit: 15.77 XPM
Net: +15.77 XPM

Thanks for the reply: seems like it's only my bad luck...
7  Alternate cryptocurrencies / Altcoin Discussion / Re: [XPM] Primecoin Built-in Miner Sieve Performance Issue on: July 13, 2013, 08:38:38 AM
I'm currently using this version: primecoin0712v2-ivyonly

Mining for 13 hours now with around 1200-1500 PPS and not a single coin yet... does anyone actually got a coin with this build?
8  Other / Beginners & Help / Re: Alt-Coins on: July 12, 2013, 06:16:30 PM
Primecoin for CPU-mining
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