Hello, I'm responding to something from days ago. ... For some reason in the C:\cygwin\home\Administrator directory, it seems to keep on making and erasing...
Hello! I have seen a couple of times when factMsieve for the first few times decides that it is time to call msieve.exe, that msieve crashes. I run under...
... Thank you. Actually I am running Cygwin in Windows XP. Are you saying that something is wrong with Windows XP and I shouldn't be using it for this? ...
XP works perfectly well for other factorings, only this particular one does this. The bad habit by M$ ask for a bug report is annoying. Once I click no thanks,...
Hello everyone, I've been trying to get the latest code to build on FreeBSD, and was running into a problem with ssize_t not being defined in if.h (line 61). ...
... Right cick "My Computer" and choose "Properties". Goto the "Advanced" tab, click "Error Reporting" and select "Disable Error Reporting". Regards, Sander...
... There are no published modern-day references on lattice sieving. There is an advanced treatment by Franke and Kleinjung: ...
Jason Papadopoulos
jasonp@...
Apr 9, 2009 2:32 pm
2394
Hello, Earlier I had a problem in Cygwin with GGNFS. I posted the details onto this GGNFS group. Somebody told me that it's unusual for Cygwin to not be...
... This is really a Cygwin question and you should ask Cygwin forum. But in short, quoting from http://cygwin.com/ entrance page "Run setup.exe any time you...
... ... Thank you, sir. Downloading the Perl included with CYGWIN instead of ActiveState Perl made a difference for some reason. I was able to factor my...
I'm doing some factoring stuff at my college and I have a small cluster available. I've pieced together some information online, but if anyone can offer some...
... If the numbers are 120 digits they can be processed fairly fast. For GNFS numbers it would take about 4 days on 1 processor of a Pentium4 3 GHz machine....
I have come across a new problem using factMsieve. I am running a gnfs factoring with a c122.In the matrix phase (nc2), the number of columns dropped from...
Here is the final death of th factoring: Wed May 06 23:48:47 2009 Wed May 06 23:48:47 2009 Msieve v. 1.40 Wed May 06 23:48:47 2009 random seeds: 14fbdb70...
... The other times I have seen this happen, it was because there were just enough relations to create a matrix but not enough to solve that matrix. Sieving a...
Jason Papadopoulos
jasonp@...
May 7, 2009 11:28 am
2405
... As Jason said you might need some more relations. What happens from factMsieve's point of view after msieve fails, does it go on to try to sieve some more...
... Jeff- I've been using your guide as a starting point and it has been a great help. I noticed that factMsieve.pl accepts some arguments called client_id and...
... We at ClusterArch are working on a 16 multicore workstations small cluster, based on a rewritten Beowulf kernel and MPI. Are there open source factoring or...
It seems that the problems in the root finding code does not only hit SNFS-parameters but also gnfs parameters, generated with ggnfs. So far I hae been hit 5...
Hi, I'm trying to set up GGNFS to factor some composite numbers with 120+ digits, but I'm having some trouble getting it working across my cluster of...
A snfs attempt on a c164 bombed out once msieve was called. I had set minrels to 1000000. Once the number of relations reached this limit and Msieve was called...
Hi! I tried to use Msieve v 1.41. It unfortunately is hit by an other bug. It bombs out after print out : commensing number field siev(162-digit input). It is...
Having managed to get ggnfs compiled I compared it's speed with NFSX (ubasic/assembler NFS implementation written by Yuji Kida). Test case 10^151+1 with small...
Hello, I've written a patch for factMsieve.pl to automatically calculate skew if it isn't provided in the .poly file for a SNFS job. It should also work for...
Having problems with message search?
Fill out this form to ensure your group is one of the first to be migrated to the new message search system.
