... Unfortunately there is no easy way to estimate the number of relations. It doesn't get anywhere close to being accurate until you are almost finished....
... Hi The function trunc rounds towards zero whereas floor rounds towards minus infinity. If your input is not negative you will be OK using floor in place...
Hi All, In checking the Visual Studio build of GGNFS, I noticed that buiding msieve within ggnfs now fails because the source files have been removed. Has the...
... I believe it has been abandoned since so many changes have taken place since the last internal version and the latest one, Jason P doesn't have the time to...
... From a run before I wrote this patch: chris@linux-5hwg:~/ggnfs/tests/r468> grep 'filtering wants' ggnfs.log Wed Jul 8 22:31:26 2009 filtering wants...
... The code has no way of knowing what that number should be. It already computes (number of ideals below the filtering bound) - (number of relations - number...
Jason Papadopoulos
jasonp@...
Aug 31, 2009 3:13 am
2446
... All my patch really needs is a number large enough to skip one or more attempts at filtering with nowhere near enough relations. As long as the number...
... Chris, You can use the MINRELS.txt file to set the minimum number of relations collected before attempting the linear algebra stage. I use this file and...
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the ggnfs group. File :...
ggnfs@yahoogroups.com
Sep 3, 2009 4:21 pm
2449
... I think msieve 1.42 will do what I want. According to http://mersenneforum.org/showthread.php?t=12000&page=2 post 130 it will always say 1000000 if a long...
... If you mean you are looking for GGNFS binaries to run under Windows XP, you can download them from here: http://gilchrist.ca/jeff/factoring/ You can...
I've set everything up under Ubuntu on an 8 core machine based on Jeff's page and I've started testing using the sample number he provides. The system is...
... Yes. Polynomial selection isn't multi-threaded so only one gets used. All 8 will get used for sieving and some parts of the post-processing as well. Jeff....
Kudos to Jason for the new version. I have had a number of snfs factorings, which have bombed out immediately with the previous version. Now I started a...
... For practical purposes, infinity. See http://mersenneforum.org/showthread.php?t=12125 for a discussion of factoring a 1536 bit general number. And 2048...
Hello, I've tested the matrix solving step with 1 vs 2 threads on a single core CPU with hyperthreading. It runs *faster* with 1 thread than with 2. Lattice...
Hi dear group ,after downlouding ggnfs 340 and extracting and downlouding  CYGWIN and install , on double clicking CYGWIN I get a flash window only and on...
... The ggnfs binaries are command line tools so you can double click on them, you need to run them from either a cygwin shell or from a command prompt...
... Great find, this has been updated in the SVN code so it will not longer produce that output. ... That is a very good question. I'm not sure if anyone here...
Hello, Everyone ... What was the sort of garbage seen? ... wrong. We have: printf("%d %lu %u ",x,qx,ulqx); x here is of type i16_t qx - u64_t ulqx - u32_t The...
... That wouldn't work for the Windows build because the Microsoft compiler doesn't support most of the C99 stuff and has no stdint.h header file. We could...
... Hello Anton I haven't tried the one you reference above but I have had trouble with earlier attempts to add inttypes.h to Visual Studio. In fact this might...
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