Re: Mersenne: Re: Double check validity

2000-09-12 Thread George Woltman
Hi, At 01:25 AM 9/12/00 -0400, Robert Deininger wrote: > Found 132497 unique exponents. > 136 of them had duplicated records. > 52 of them had ONLY duplicated records. > >2. There are few enough bad cases that processing them by hand shouldn't > be too hard. > >3. A l

Mersenne: The quadrillionth bit of Pi is '0'

2000-09-12 Thread Paul Landon
A big round of applause to Colin Percival and the PiHex distributed computing project which finished yesterday. The project has now ended, though their web page says that there will be future projects under the name idlepower.net and states:- To those who cannot or do not wish to follow me to thi

Re: Mersenne: Re: Double check validity

2000-09-12 Thread Robert Deininger
On Tue, Sep 12, 2000 4:06 AM, Brian J. Beesley <[EMAIL PROTECTED]> wrote: >On 11 Sep 00, at 23:43, Robert Deininger wrote: >> Maybe non-prime95 results are so rare they aren't worth thinking about. > >(I take it you're using Prime95 as a general label covering mprime, >NTPrime etc. as well i.e.

Re: Mersenne: Re: Double check validity

2000-09-12 Thread Robert Deininger
On Tue, Sep 12, 2000 4:06 AM, Brian J. Beesley <[EMAIL PROTECTED]> wrote: >On 12 Sep 00, at 1:25, Robert Deininger wrote: > >> 4. The "duplicates only" tend to be the bigger, more recent exponents. > >... in the range (exponents over 6 million) where we don't yet expect to >have had double-check

RE: Mersenne: Re: Double check validity

2000-09-12 Thread Hoogendoorn, Sander
> George Woltman wrote: >If the first and second tests were done by the same user, then my program >prompts me as to whether I really want to accept this result. I usually >accept the double-check for the following reasons: > 1) It is not uncommon for top producers to get assigned a >

Re: Mersenne: Re: Double check validity

2000-09-12 Thread Brian J. Beesley
On 11 Sep 00, at 23:43, Robert Deininger wrote: > I'm not particularly worried about intentional cheating, just accidents. That seems reasonable. > OTOH, there isn't anything like a verification code on the manual check-in > page. This would be fairly hard to arrange. The point is that most of

Re: Mersenne: Re: Double check validity

2000-09-12 Thread Brian J. Beesley
On 12 Sep 00, at 1:25, Robert Deininger wrote: > 4. The "duplicates only" tend to be the bigger, more recent exponents. ... in the range (exponents over 6 million) where we don't yet expect to have had double-checking assignments? > > 5. The duplicates were reported by various programs - mos