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Search: Posts Made By: Jeff Gilchrist
Forum: Msieve 2017-10-05, 21:23
Replies: 22
Views: 3,705
Posted By Jeff Gilchrist
The only problem I had was when msieve was...

The only problem I had was when msieve was finally done GPU poly selection there was an error and the script stopped (could not open msieve.dat.p file). The files were actually written so I was able...
Forum: Msieve 2017-10-05, 21:16
Replies: 22
Views: 3,705
Posted By Jeff Gilchrist
I just tried running the factmsieve.py script...

I just tried running the factmsieve.py script from my example page with the msieve GPU binary that Brian Gladman compiled and is hosted on my website (http://gilchrist.ca/jeff/factoring/) and it...
Forum: Factoring 2016-11-13, 12:59
Replies: 71
Views: 46,214
Posted By Jeff Gilchrist
Are you talking about...

Are you talking about http://gilchrist.ca/jeff/factoring/benchmark.html ?
Forum: Factoring 2016-11-11, 18:44
Replies: 71
Views: 46,214
Posted By Jeff Gilchrist
I finally had time to update my Windows factoring...

I finally had time to update my Windows factoring binary page with newer versions of all the tools:
http://gilchrist.ca/jeff/factoring/

Special thanks to Brian Gladman and Gábor Stefanik for...
Forum: Msieve 2016-11-11, 18:39
Replies: 86
Views: 21,880
Posted By Jeff Gilchrist
I just updated the page with fresh builds of...

I just updated the page with fresh builds of most/all of the factoring binaries thanks to Brian Gladman. You can find those msieve builds and others here:
http://gilchrist.ca/jeff/factoring/
Forum: Factoring 2016-10-21, 01:10
Replies: 8
Views: 4,012
Posted By Jeff Gilchrist
I was just talking to an author about that. In...

I was just talking to an author about that. In his case he gets almost double for e-book sales because the publisher has no re-curring printing costs. That is double of an already very small number...
Forum: Lounge 2016-02-13, 01:55
Replies: 133
Views: 6,516
Posted By Jeff Gilchrist
ADDRESS VERIFIED: YES MISSING: ? PACKAGED:...

ADDRESS VERIFIED: YES
MISSING: ?
PACKAGED: YES
SENT: 25 Mar
RECEIVED: 14 APR
Forum: Factoring 2016-01-26, 01:15
Replies: 5
Views: 1,416
Posted By Jeff Gilchrist
Hey everyone, I'm not dead. :devil: Thanks for...

Hey everyone, I'm not dead. :devil: Thanks for your concern though. @Xyzzy tipped me off there was a post inquiring about me so I popped in. Sadly Real Life(TM) has kept me busy the past couple of...
Forum: Wagstaff PRP Search 2013-09-10, 02:53
Replies: 26
Views: 49,626
Posted By Jeff Gilchrist
Your part? Are you part of a larger group of...

Your part? Are you part of a larger group of people working on this? Has anyone worked on anything less than 10e6? What ranges are you actively working on now and how much CPU power are you...
Forum: Wagstaff PRP Search 2013-09-10, 01:29
Replies: 26
Views: 49,626
Posted By Jeff Gilchrist
I just finished both exponents with LLR and they...

I just finished both exponents with LLR and they also show as PRP:

(2^13347311+1)/3 is Vrba-Reix PRP! Time : 56958.781 sec.
(2^13372531+1)/3 is Vrba-Reix PRP! Time : 57032.491 sec.


Good...
Forum: Msieve 2013-07-21, 00:46
Replies: 256
Views: 20,112
Posted By Jeff Gilchrist
I have now posted the latest SVN927 from Brian on...

I have now posted the latest SVN927 from Brian on my website:
http://gilchrist.ca/jeff/factoring/index.html

This should just be linked to the VS2012 DLL so you should just need the vcomp110.dll...
Forum: Msieve 2013-07-20, 10:35
Replies: 256
Views: 20,112
Posted By Jeff Gilchrist
After people get a chance to test Brian's latest...

After people get a chance to test Brian's latest binary and confirm it is ok, Brian please send me the latest good version that you want me to put on the website.
Forum: Msieve 2013-07-20, 10:31
Replies: 256
Views: 20,112
Posted By Jeff Gilchrist
For those of you used to seeing the SVN build in...

For those of you used to seeing the SVN build in the Windows binaries, that is an extra service I provided by manually putting it in before compiling because I always liked to see that.
Forum: Msieve 2013-07-17, 23:45
Replies: 256
Views: 20,112
Posted By Jeff Gilchrist
My website is also updated with Brian's latest...

My website is also updated with Brian's latest binary.

Jeff.
Forum: Msieve 2013-07-14, 11:05
Replies: 256
Views: 20,112
Posted By Jeff Gilchrist
The version on the website how now been updated...

The version on the website how now been updated (same filename but newer binary inside)
Forum: Msieve 2013-07-13, 19:29
Replies: 256
Views: 20,112
Posted By Jeff Gilchrist
The new version is now available on my website: ...

The new version is now available on my website:
http://gilchrist.ca/jeff/factoring/

Don't forget to download the Visual C++ 2012 Redistributable binary first if you don't already have it. There...
Forum: Computer Science & Computational Number Theory 2013-07-07, 10:26
Replies: 36
Views: 5,087
Posted By Jeff Gilchrist
Thanks for posting this Danaj. I confirmed it...

Thanks for posting this Danaj. I confirmed it was actually wrong back to 4.0e+11 in that column. I went back to my original data and found I was off by 433 for all those entries back to 4.0e+11. I...
Forum: Msieve 2013-07-05, 10:04
Replies: 256
Views: 20,112
Posted By Jeff Gilchrist
Yes it was directed at you. You are the one that...

Yes it was directed at you. You are the one that is reporting the crashes right? I'm trying to see if you can find a small test case where it crashes so that Brian can easily reproduce the crash...
Forum: Msieve 2013-07-05, 01:55
Replies: 256
Views: 20,112
Posted By Jeff Gilchrist
Have you tried using that build msieve just on a...

Have you tried using that build msieve just on a small number that you can finish within an hour or so to see if the same crash happens so Brian can try to see what is going on?

Jeff.
Forum: Msieve 2013-07-03, 00:08
Replies: 256
Views: 20,112
Posted By Jeff Gilchrist
Thanks to Brian for sending me a compiled...

Thanks to Brian for sending me a compiled version, you can now download the Windows 64bit version of SVN902 here:
http://gilchrist.ca/jeff/factoring/msieve152_svn902_win64_i7.zip
Forum: Wagstaff PRP Search 2013-04-07, 11:07
Replies: 10
Views: 34,797
Posted By Jeff Gilchrist
As Paul said, we are factoring to high bits now...

As Paul said, we are factoring to high bits now with the modified version of mfaktc. That P-1 factor was from the last batch of p-1 before I started using it.

GPU TF FTW!
Forum: Wagstaff PRP Search 2013-04-03, 00:53
Replies: 10
Views: 34,797
Posted By Jeff Gilchrist
Big factors

Found my biggest factor so far for a Wagstaff number:

2^9235649+1 has a factor: 153616228560877782360733142221974579132477827835600631264993134521609 [226.5 bits]
Forum: News 2013-02-09, 12:23
Replies: 561
Views: 54,190
Posted By Jeff Gilchrist
Do you have a link to the episode it aired on?

Do you have a link to the episode it aired on?
Forum: News 2013-01-30, 15:54
Replies: 561
Views: 54,190
Posted By Jeff Gilchrist
I just finished my Prime95 AVX double check and...

I just finished my Prime95 AVX double check and it also reports PRIME! Hopefully one of the non-Prime95 runs will finish soon for extra-extra confirmation.
Forum: Computer Science & Computational Number Theory 2012-12-11, 20:40
Replies: 27
Views: 8,054
Posted By Jeff Gilchrist
Nice work Jens. I guess this means we have a new...

Nice work Jens. I guess this means we have a new largest proven prime Leyland number? (also interesting, I didn't know that Paul had his own style of number named after him)

Wow, that was a lot...
Showing results 1 to 25 of 1000

 
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