Re: Mersenne: Fw: numeric hazards of high performance CPU design =>Pentium 4 - constant speed problem

2001-05-19 Thread Chris Jefferson
e then it won't be searching for primes :-( Chris -- Chris Jefferson, Girton College, Cambridge, CB3 0JG --- http://mrjeff.webjump.com Don't bother, it's not worth looking at. On Sat, 19 May 2001, Roger Gariépy wrote: > &

Re: Mersenne: missing exponents?

2001-05-12 Thread Chris Jefferson
> > Checking the status page, we seem to be stuck on 26 exponents between > 6,325,000 and 6,972,593 - that haven't had one LL test. I've been double > checking exponents in this range for months (and getting them done at the > rate of more than 1 per month). I've been double checking because tha

Re: Mersenne: missing exponents?

2001-05-12 Thread Chris Jefferson
> > You should use another MailClient as Microsoft Outlook Express 4.72.3110.1 8) > Didn't you read all the bad things about Mailwurms etc? Sorry, I just felt the urge to say this. There is nothing particualarily bad about Outlook Express, these various viruses require you to excute attachments

Re: Mersenne: Check This Out! Just got a new email at THEMAIL.COM

2000-08-31 Thread Chris Jefferson
Just so everyone knows, I have reported this person and his account will be canceled with the day. Chris Jefferson, Girton College, Cambridge, CB3 0JG --- Disclaimer: Please do not read any hidden messages from my e-mails, as anything that looks

Re: Mersenne: The recent popularity of Single-Checking

2000-05-24 Thread Chris Jefferson
> Nathan Russell wrote: > >There is a user, "sd70045", who has almost 100 single-checking > >assignments out on a single machine ID > > In any case, these exponents will expire in 16 days. As a > result, I'm not concerned about it. Within 3 weeks > they'll be re-circulated among othe

RE: Mersenne: Just curious

2000-04-19 Thread Chris Jefferson
> > So, no matter how much CPU you think this sort of change could gain > GIMPS, I must suggest that it _not_ be done. > I'm sure this has come up HUNDREDS of times before, but why not attach it to the screensaver? I'm not sure if there is a call in windows for the screensaver, alternat

Re: Mersenne: GIMPZ

2000-02-28 Thread Chris Jefferson
On Mon, 28 Feb 2000 [EMAIL PROTECTED] wrote: > Jukka Santala wrote: > > >First of all, I take offence at the use of the term "hacker" here. > >I would have thought most people following this list are knowledgeable > >enough to make the distinction - what GIMPS for example does is hacking > > Th

Re: Mersenne: The return of poaching?

2000-02-04 Thread Chris Jefferson
On Fri, 4 Feb 2000, John R Pierce wrote: > > ... I think the 10 intervals might be a bit too draconian... I agree, 30 days should be considered a minimum. I don't know it if could be put into the primenet server, but could a 'trust' setting be put in? Maybe for the first 15 days a new person ha

Re: Mersenne: Version 20 memory questions

2000-01-31 Thread Chris Jefferson
> > GIMPS has always had a good reputation for not interfering with > your normal work. To preserve GIMPS' reputation, I'm thinking of implementing > the following. In the Options/CPU dialog, prime95 will let you select the > maximum > amount of memory the program can use and the hours o

Mersenne: Factoring Mersenne

1999-11-24 Thread Chris Jefferson
fully it's value mod p) which would cut down on factoring requirements. Any ideas? ---- Chris Jefferson, Girton College, Cambridge, [EMAIL PROTECTED] Someone may have beaten me to Fermat's Last Theorem, but I'

Re: Mersenne: Re: splitting up 10m digit primes

1999-10-16 Thread Chris Jefferson
On Sat, 16 Oct 1999, Jukka Santala wrote: > "Brian J. Beesley" wrote: > > > On 14 Oct 99, at 18:15, Chris Jefferson wrote: > > Surely this isn't really an issue. PrimeNet would surely recognise a > > result submitted by a "poacher" as such &

Mersenne: Modular arthimatic..

1999-10-15 Thread Chris Jefferson
om Anyway, if anyone could just vaguely point me in the right direction, or tell me if I am talking rubbish before I go and start reading up on all this... Thanks! ---- Chris Jefferson, Girton College, Cambridge, [EMAIL PROTECTED]

Re: Mersenne: Re: splitting up 10m digit primes

1999-10-14 Thread Chris Jefferson
> Also one would have to ask what would be the incencitive for someone to act > as a backup server... or prevent them from "stealing the work" as it were, by > using high-speed computers to finish the test a month before the main person > does in hopes of getting the prize. I think that the new l

Re: Mersenne: Front-end design

1999-09-23 Thread Chris Jefferson
eople to use prime95 all the time, but a screen saver would be useful for people who refuse to... ---- Chris Jefferson, Girton College, Cambridge, [EMAIL PROTECTED] Someone may have beaten me to Fermat's Last Theorem, but I&

Re: Mersenne: complaint

1999-09-15 Thread Chris Jefferson
> On 14 Sep 99, at 7:22, Henrik Olsen wrote: > > > Personally I found installing and running it to be an extremely smooth > > operation, to the point where it takes less that 2 minutes to install on a > > new machine, including configuration, after which I just forget about it. > > Yes - I fou

Re: Mersenne: GIMPS

1999-09-15 Thread Chris Jefferson
there are quite a lot of people who would perfer it that way.. Chris Jefferson _ Unsubscribe & list info -- http://www.scruz.net/~luke/signup.htm Mersenne Prime FAQ -- http://www.tasam.com/~lrwiman/FAQ-mers

Mersenne: A slight divergence...

1999-07-19 Thread Chris Jefferson
p - 1. Chris Jefferson, Girton College, Cambridge, [EMAIL PROTECTED] Someone may have beaten me to Fermat's Last Theorem, but I've done Riemann's general equation. However it won't

Mersenne: Factoring

1999-06-14 Thread Chris Jefferson
:) Chris Jefferson, Girton College, Cambridge, [EMAIL PROTECTED] Someone may have beaten me to Fermat's Last Theorem, but I've done Riemann's general equation. However it won't fit

Re: [Re: Mersenne: Serious problems with v.18]

1999-06-06 Thread Chris Jefferson
NO MORE. The end.. Chris Jefferson, Girton College, Cambridge, [EMAIL PROTECTED] I have a proof that x^n+y^n=z^n never has integer solutions for n>2. However, it won't fit into my signat

Re: Mersenne: Serious problems with v.18

1999-06-05 Thread Chris Jefferson
> > If what you say is true, then whoever designed version 17 acted in a > completely unconscionably rash manner by releasing it without thoroughly > testing it for problems as serious as that. And has therefore shot the whole > GIMPS effort in the foot by setting it back many weeks. > > Hopeful

Mersenne: Back to the maths of primes for a sec....

1999-05-16 Thread Chris Jefferson
it will show if numbers are composite and if it is quick, then primes could be checked using it, then double checked via another means, also giving the opportunity to disprove a major hypothesis of maths... ---- Chris Jefferson, Girton College, Cambridge, [EM

Mersenne: Re: Seti@home

1999-05-15 Thread Chris Jefferson
Just one question, couldn't you install Prime95 and the Set@home screensaver. Surely it would be worthwhile, although not quite as much use, to Primenet? My computer tends to have no screensaver on at least 50% of the time it isn't switched on... ----

RE: Mersenne: I am curious

1999-05-14 Thread Chris Jefferson
---QUOTE--- I was being a little sarcastic. I think that the original poster who was wanting to team up with other people running at least 10 machines is not in the spirit of the adventure. I think it is fine to make a team if everyone on the team has regular physical access to each machine, but

Re: Mersenne: Stoopid Bureaucracies!

1999-05-14 Thread Chris Jefferson
> > > I tried at my company too (A very large Aerospace company based in > Washington) and my boss said that it didn't add any value to the company > so she couldn't approve it. I gotta find a way to show it does have > value... > > -Chuck If you find one... 1) £50,000 2) Lots of free publicit

Mersenne: PrimeNT

1999-04-27 Thread Chris Jefferson
f machines (That have to be secure..)? -------- Chris Jefferson, Girton College, Cambridge, [EMAIL PROTECTED] I have a proof that x^n+y^n=z^n never has integer solutions for n>2. However, it won't fit into