On 9/12/07, mabshoff <[EMAIL PROTECTED]> wrote: > > > Kate Minola wrote: > > FYI - the following have recently > > been released: > > > > gmp-4.2.2 > > mpfr-2.3.0 > > ecm-6.1.3 > > > > Kate > > Hello Kate, > > #541, #542 and #642 in sagetrac respectively. I have to admit that I > added #642 only two hours ago. I expect that I will spend some time on > those tickets during Bug Day 3 (probably the 20th of September)
Yep. However, one thing I want to add is that my understanding is that the GPL-only patches that make xgcd/gcd *vastly* faster for large numbers might only work with gmp-4.2.1, at least without a lot more work to port it, and if so we should wait for that patch to be updated (especially if gmp-4.2.2 is merely a build improvement over gmp-4.2.1). This sort of thing is just really cool: BEFORE the patch: sage: k=2000000; n = QQ.random_element(2^k); m=QQ.random_element(2^k) sage: time a=n+m CPU times: user 5.69 s, sys: 0.24 s, total: 5.93 s AFTER the patch: sage: k=2000000; n = QQ.random_element(2^k); m=QQ.random_element(2^k) sage: sage: time a=n+m CPU times: user 0.99 s, sys: 0.00 s, total: 0.99 s sage: len(str(n)) 1204120 Having fast arithmetic with million digits rational numbers can be really important... Presumably mpfr and ecm would both work with gmp-4.2.1 if we have to stay with it for some amount of time. -- 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/ -~----------~----~----~----~------~----~------~--~---
