[sage-support] Re: Strange behavior on sagenb

2009-03-26 Thread William Stein
On Thu, Mar 26, 2009 at 8:50 AM, Jason Bandlow wrote: > > Hi all, > > When I start up a clean version of sage 3.4 on my local machine and > enter the following into a notebook cell: > > M=load('http://www.math.upenn.edu/~jbandlow/sage_data/dic_of_kst_to_G_cob_mats.sobj') > # This object is a dict

[sage-support] Re: Strange behavior on sagenb

2009-03-28 Thread Jason Bandlow
William Stein wrote: > On Thu, Mar 26, 2009 at 8:50 AM, Jason Bandlow wrote: >> Hi all, >> >> When I start up a clean version of sage 3.4 on my local machine and >> enter the following into a notebook cell: >> >> M=load('http://www.math.upenn.edu/~jbandlow/sage_data/dic_of_kst_to_G_cob_mats.sobj'

[sage-support] Re: Strange behavior on sagenb

2009-03-28 Thread William Stein
On Sat, Mar 28, 2009 at 6:26 AM, Jason Bandlow wrote: >> I'm guessing this is a subtle 32 versus 64-bit issue involving >> pickling and assumptions made somewhere in the combinat or other sage >> code involving 32/64-bit.  The notebook is 64-bit and I bet your >> computer is 32-bit. >> >> By the

[sage-support] Re: Strange behavior on sagenb

2009-03-28 Thread Carl Witty
On Mar 28, 8:59 am, William Stein wrote: > I know of one place in sage where objects cache their hash for > efficiency reasons (e.g., I think Sage matrices do). I hadn't thought > about the fact that pickling, moving to an object to a platform where > the hashes are different, and unpickling, wou