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drummers-lowrise
1) Message boards : Sophie Germain Prime Search : Start a new SG sieve ??. (Message 55038)
Posted 2643 days ago by telegd
Any news about starting a new SGS sieve?


I would also be keen to know! Thanks...
2) Message boards : Sophie Germain Prime Search : Start a new SG sieve ??. (Message 53794)
Posted 2669 days ago by telegd
Hopefully I have done this right (and am not too late):

Intel i7-860 @ 2.8GHz (stock)
4 cores with HT enabled, only one thread running.
Linux 2.6.38-8-generic-pae (Kubuntu 11.04 32bit)

prpclient-5.0.7-linux_32/programs$ ./llr -d ./lennart.in

Starting Lucas Lehmer Riesel prime test of 10000001535*2^1210001-1
Using zero-padded Pentium4 type-3 FFT length 128K, Pass1=128, Pass2=1K
10000001535*2^1210001-1 is not prime. LLR Res64: 16FFDE8B5F587F4F Time : 1719.528 sec.

Starting Lucas Lehmer Riesel prime test of 10000000221*2^1230001-1
Using zero-padded Pentium4 type-3 FFT length 128K, Pass1=128, Pass2=1K
10000000221*2^1230001-1 is not prime. LLR Res64: 85DD95C6556644FA Time : 1762.127 sec.

Starting Lucas Lehmer Riesel prime test of 10000000155*2^1250001-1
Using zero-padded Pentium4 type-3 FFT length 128K, Pass1=128, Pass2=1K
10000000155*2^1250001-1 is not prime. LLR Res64: C3D2119CF745495E Time : 1761.749 sec.

Starting Lucas Lehmer Riesel prime test of 10000000065*2^1270001-1
Using zero-padded Pentium4 type-3 FFT length 128K, Pass1=128, Pass2=1K
10000000065*2^1270001-1 is not prime. LLR Res64: 19B4544514595449 Time : 1797.586 sec.

Starting Lucas Lehmer Riesel prime test of 10000000299*2^1290001-1
Using zero-padded Pentium4 type-3 FFT length 128K, Pass1=128, Pass2=1K
10000000299*2^1290001-1 is not prime. LLR Res64: 76AC746BEA65227D Time : 1832.166 sec.

Starting Lucas Lehmer Riesel prime test of 10000001091*2^1310001-1
Using zero-padded Pentium4 type-1 FFT length 144K, Pass1=96, Pass2=1536
10000001091*2^1310001-1 is not prime. LLR Res64: 4847764CE542BEEB Time : 2263.550 sec.
3) Message boards : News : End-of-life for current iteration of Sophie Germain Prime Search (Message 53452)
Posted 2677 days ago by telegd
Thanks for the update. I look forward to working on the new range when it comes available.
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