YAFU 1.34 freeware

... ECM, P+1, P-1, SQUFOF, Pollard's Rho, and Fermat's method. The program also contains a very fast implementation of the Sieve of Eratosthenes. ...

Author bbuhrow
Released 2013-02-27
Filesize 4.70 MB
Downloads 603
OS Windows XP, Windows Vista, Windows Vista x64, Windows 7, Windows 7 x64
Installation Instal And Uninstall
Keywords integer factorization, multi-threaded SIQS, Fermat method, factorization, integer, Fermat
Users' rating
(9 rating)
YAFUCADWindows XP, Windows Vista, Windows Vista x64, Windows 7, Windows 7 x64
YAFU - method Freeware Download Notice

YAFU Free Download - we do not host any YAFU torrent files or links of YAFU on rapidshare.com, depositfiles.com, megaupload.com etc. All YAFU download links are direct YAFU download from publisher site or their selected mirrors.

YAFU freeware - The Latest User Reviews
YAFU freeware - The Latest Versions History
1.34 Feb 27, 2013 New Release · new sse2 code: faster small prime sieving in siqs
· new sse4.1 code: even faster small prime sieving in siqs
· new sse4.1 code: faster large prime bucket sieving in siqs
· makefile additions to include sse4.1 code in the fat binary on compatible hardware
· runtime flag to utilize sse4.1 code on compatible hardware
· enabled multipliers for fermat factorization
· fixed bug in qs filtering
· fixed a bug in .job file filling - handle no line break on last line
· fixed "too many refactorizations" bug
· added a function to factor all single precision integers within a specified range
· frontend calculator now uses GMP
· Updated "gnfs.h" to use GMP
· automatic processing of several SNFS forms: N = a*b^n +/- c, for b < 100, c < 2^30, N < 1024 bits N = b^n +/- 1, for b > 100, N < 1024 bits N = a^n +/- b^n, for gcd(a,b) = 1, a,b
1.33 Oct 29, 2012 New Release · made "found poly" messages much less verbose
· using /r instead of printing backspaces now in ecm.c and SIQS.c
· ggnfs jobs launched by yafu will now print out individual .last_spq files per thread, although they are still not used for anything
· get rid of blk_rel_count experiment code in siqs
· add the beginnings of CUDA squfof support - although it is far from working and probably not even beneficial at this point. currently protected by HAVE_CUDA definition
· more work on tinySIQS, but still not fully operational.
· added more fclose's
· fixed bugs that caused crashes when inputs numbers approached or exceeded 1024 characters in batchfiles.
· updates to text output of factor() to prevent window scrolling
· (re)support builds without NFS=1
· got rid of cat.exe warning messages in windows that don't have unxutils
· slight cleanup of nfs state machine
· improved min_rels calculation
· added ability to parse user supplied job files and supply missing parameters
1.32.1 Aug 2, 2012 New Release · added fclose's and fixed gethostname alloc problem
· removed the "found time record" messages from poly select
· remove the printing of rels during .dat parsing (available with verbose mode -v -v)
· changed siqs cutoff back to 115 bits

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