ok I've sussed it. These are the times per trial factor,
not for all of them.

David Eddy


----------------------------------------
> From: [EMAIL PROTECTED]
> To: [email protected]
> Date: Tue, 24 Oct 2006 12:55:56 +0000
> Subject: [Prime] Trial factoring
> 
> 
> I'm mystified.
> 
> When I did the benchmark test in Prime95 (v24.14), the screen output asserted 
> that
> all these times referred to factoring M35,000,011.
> 
> 
> Best time for 58 bit trial factors: 40.217 ms.
> Best time for 59 bit trial factors: 40.172 ms.
> Best time for 60 bit trial factors: 40.231 ms.
> Best time for 61 bit trial factors: 40.305 ms.
> Best time for 62 bit trial factors: 76.467 ms.
> Best time for 63 bit trial factors: 76.608 ms.
> Best time for 64 bit trial factors: 169.511 ms.
> Best time for 65 bit trial factors: 172.125 ms.
> Best time for 66 bit trial factors: 175.240 ms.
> Best time for 67 bit trial factors: 175.982 ms.
> 
> 
> The number of factors of 2^p - 1 to try up to 2^m goes as (2^m)/p
> Why don't the times follow suit?
> 
> The only feature I understand is the jump at 64 bits, since the division 
> suddenly gets harder.
> 
> I think they must have been changing p.
> 
> Suggestions welcome
> 
> David Eddy
> 
> 
> 
> 
> 
> 
> _________________________________________________________________
> Be one of the first to try Windows Live Mail.
> http://ideas.live.com/programpage.aspx?versionId=5d21c51a-b161-4314-9b0e-4911fb2b2e6d
> _______________________________________________
> Prime mailing list
> [email protected]
> http://hogranch.com/mailman/listinfo/prime

_________________________________________________________________
Be one of the first to try Windows Live Mail.
http://ideas.live.com/programpage.aspx?versionId=5d21c51a-b161-4314-9b0e-4911fb2b2e6d
_______________________________________________
Prime mailing list
[email protected]
http://hogranch.com/mailman/listinfo/prime

Reply via email to