P-1 thread discussions

[prime95]

My new code was doing about a curve an hour at 128 MB and what you call a 2.0 setting. This translated to B1=40000 and B2=340000. I'm not sure how long sbfactor would take on my 2.1 GHz P4.

If there is interest I can package up this executable for you guys to test. There are limitations: P4/A64 only, Windows only, different user interface. It will take quite a while before the gwum library is ready for linking into sbfactor.

P.S. I'm amazed at how deep you guys have sieved. I'm used to having a 3 to 5% chance of a P-1 hit on GIMPS and here I'm getting less than a 1% chance!