Mersenne: Re: fast GCD

1999-11-06 Thread EWMAYER
George Woltman writes: Since F24 is 5 million digits your computer would take 5 minutes * 5^2, or 2 hours. Given your machine is faster, my code is 32-bit, my code does an extended GCD, the Alpha is a better architecture, and your code is probably better - you come up with the factor of 12

Mersenne: Re: Mlucas on SPARC

1999-11-06 Thread EWMAYER
Bill Rea writes: At 256K FFT I was seeing 0.11 secs/iter with Mlucas against 0.15 secs/iter for MLU, at 512K FFT the figures were 0.25 secs/iter and 0.29 secs/iter respectively. ...and don't forget the added benefits due to Mlucas being able to test significantly larger exponents at the same

Re: Mersenne: Re: fast GCD

1999-11-06 Thread George Woltman
Hi, At 04:07 PM 11/6/99 EST, [EMAIL PROTECTED] wrote: Was your code doing a true Fermat-mod DWT, or were you attempting to factor instead the Mersenne number M(2^25-1) = (2^(2^24)-1)*(2^(2^24)+1)? Prime95 uses a true Fermat-mod DWT. Impressive - can you give us a brief summary of the most

Re: Mersenne: Version 19 for FreeBSD?

1999-11-06 Thread Bryan Fullerton
On Sat, Nov 06, 1999 at 10:47:07PM +0100, Francois E Jaccard [EMAIL PROTECTED] wrote: Will a version 19 for FreeBSD be available? I would like to transfer a 33M exponent to a FreeBSD 4.0-current machine. I'm also waiting for the FreeBSD v19 client. Bryan -- Bryan Fullerton

Mersenne: Re: Mersenne Digest V1 #656

1999-11-06 Thread STL137
Who's sending mail to the list that makes the digests appear with a red background in my AOL mailreader? Arrgh... afterimage... AFTERIMAGE! S.T.L. _ Unsubscribe list info -- http://www.scruz.net/~luke/signup.htm Mersenne Prime FAQ

Mersenne Digest V1 #656

1999-11-06 Thread Mersenne Digest
Mersenne Digest Saturday, November 6 1999 Volume 01 : Number 656 -- Date: Wed, 03 Nov 1999 18:35:22 -0800 From: Eric Hahn [EMAIL PROTECTED] Subject: Re: Mersenne: Trial-factorers Brian Beesley wrote: On 27 Oct