On Wed, May 8, 2013 at 7:33 PM, Francois Bissey <francois.bis...@canterbury.ac.nz> wrote: > On 09/05/13 14:27, leif wrote: >> Kwankyu Lee wrote: >>> For example, can you stop everything on the computer and remote log >>> in to it from another machine, so you're hardly running anything on >>> it? If not, quit all possible applications and try building again. >>> By the way, how much RAM does this machine have (this may not be >>> relevant, but just in case)? >>> >>> >>> There were running two virtual machines. So I rebooted the computer, and >>> opened just a terminal, and in the pristine state issued the command >>> "./sage -i zn_poly". To my surprise, it still fails. It has 16GB ram. >> >> Well, that still doesn't imply the machine isn't loaded otherwise. >> >> >> -leif >> >> P.S.: I strongly doubt GCC's version matters here. >> > > I f I were you I wouldn't be o sure. I became involved in that bug > when I stumbled on a similar one porting to power7 > http://trac.sagemath.org/sage_trac/ticket/14098 > the version of gcc on that platform had an impact. The main > problem here is that zn_poly tuning parameters are completely > wrong. zn_poly is abandoned upstream and the tunning routines > are probably not aging well to support new cpu, compilers and OS.
It might not exactly be totally abandoned upstream (it's more "done"): Here's what the author (David Harvey) wrote to me offlist earlier today about this thread: "Hi, Not obvious to me what the problem is from reading the thread. Probably a bug in zn_poly. I'm about to leave on a camping trip.... I will take a look next week." > > Francois > > -- > You received this message because you are subscribed to the Google Groups > "sage-devel" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to sage-devel+unsubscr...@googlegroups.com. > To post to this group, send email to sage-devel@googlegroups.com. > Visit this group at http://groups.google.com/group/sage-devel?hl=en. > For more options, visit https://groups.google.com/groups/opt_out. > > -- William Stein Professor of Mathematics University of Washington http://wstein.org -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To post to this group, send email to sage-devel@googlegroups.com. Visit this group at http://groups.google.com/group/sage-devel?hl=en. For more options, visit https://groups.google.com/groups/opt_out.