Craig's reply is a good summary of what I was going to say. I'm getting an
abort: unknown parent e91367eb18c1! in trying to look at your patch. It sounds like a very good idea though. On another note, however, the matrix coercion code has changed significantly in the (as-yet unapplied) patch at http:// trac.sagemath.org/sage_trac/ticket/624 - Robert On Oct 4, 2007, at 6:53 AM, William Stein wrote: > On 10/4/07, Joel B. Mohler <[EMAIL PROTECTED]> wrote: >> >> Well, I'll reply to myself on this. I made a ticket and attached >> a patch (to >> the ticket). I do want some other people looking at it to see if >> there are >> more elegant fixes. It does make a quite noticable runtime >> difference on 7x7 >> matrices (I was rather amazed how much the difference was actually). >> >> http://trac.sagemath.org/sage_trac/ticket/822 > > Thanks. I think in general there has been essentially *no* tuning of > small matrix arithmetic in Sage -- we've always cared about very large > matrices. It would be very good to do work toward tuning the small > cases, like you're doing. Thanks! > > William > > --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-devel URLs: http://sage.scipy.org/sage/ and http://modular.math.washington.edu/sage/ -~----------~----~----~----~------~----~------~--~---