On Thu, Jan 21, 2010 at 4:20 AM, Martin Albrecht <m...@informatik.uni-bremen.de> wrote: > On Thursday 21 January 2010, David Joyner wrote: >> I have run some of these tests on an imac running 10.6.2 >> in sage 4.3.1 (sage-4.3.1.a5, to be precise) and >> got what seems to be much shorter times >> (see below). I'm not sure but it seems that at least for the >> coding theory modules, there does not seem to be a >> timing problem. > > I think this is due to the speed of the disk on sage.math (where I presume > Robert did his timings).
It's possible he didn't set the DOT_SAGE environment variable to something in /scratch, which will impact timings hugely (at least until somebody rewrites Sage temp file code in misc/misc.py to use the standard tempfile module). r...@sage:/home/wstein# su - rlmill [sage ~]$ echo $DOT_SAGE [sage ~]$ > I assume GAP is used a lot in these files and thus > there should be harddisk read/writes. I cut the time for > multi_polynomial_ideal.py to ~1/3 by avoiding the pexpect interface thanks to > the new awesome libSingular function interface. > > Martin > > -- > name: Martin Albrecht > _pgp: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x8EF0DC99 > _otr: 47F43D1A 5D68C36F 468BAEBA 640E8856 D7951CCF > _www: http://www.informatik.uni-bremen.de/~malb > _jab: martinralbre...@jabber.ccc.de > > > -- > To post to this group, send an email to sage-devel@googlegroups.com > To unsubscribe from this group, send an email to > sage-devel+unsubscr...@googlegroups.com > For more options, visit this group at > http://groups.google.com/group/sage-devel > URL: http://www.sagemath.org > > -- William Stein Associate Professor of Mathematics University of Washington http://wstein.org
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