On Jun 9, 2008, at 10:36 PM, mabshoff wrote: >> Okay, I can confirm that with sage 3.0.1, sage -gp has the same speed >> as my standalone GP build. So mostly likely the change to GMP 4.2.2 >> introduced a speed regression (probably the core 2 patches not being >> applied properly). > > Ok, I will investigate and made this a blocker for 3.0.3: #3388 > > As is the gmp.spkg with the Core2 patches and all that fun stuff is a > giant mess including the OSX fixes made by William :) > > Let's hope MPIR is here sooner than later ....
I just noticed that the slowness happens on amd64 as well, so probably Gaudry's patches are not being applied properly either. This is on alhambra (2.6GHz opteron): ---------------------------------------------------------------------- | SAGE Version 3.0.1, Release Date: 2008-05-05 | | Type notebook() for the GUI, and license() for information. | ---------------------------------------------------------------------- sage: x = ZZ.random_element(2^10000000) sage: y = ZZ.random_element(2^10000000) sage: time z = x * y CPU times: user 0.19 s, sys: 0.02 s, total: 0.21 s Wall time: 0.21 sage: time z = x * y CPU times: user 0.19 s, sys: 0.01 s, total: 0.20 s Wall time: 0.20 sage: time z = x * y CPU times: user 0.20 s, sys: 0.00 s, total: 0.20 s Wall time: 0.20 ---------------------------------------------------------------------- | SAGE Version 3.0.2, Release Date: 2008-05-24 | | Type notebook() for the GUI, and license() for information. | ---------------------------------------------------------------------- sage: x = ZZ.random_element(2^10000000) sage: y = ZZ.random_element(2^10000000) sage: time z = x * y CPU times: user 0.41 s, sys: 0.00 s, total: 0.41 s Wall time: 0.42 s sage: time z = x * y CPU times: user 0.41 s, sys: 0.00 s, total: 0.41 s Wall time: 0.41 s sage: time z = x * y CPU times: user 0.41 s, sys: 0.00 s, total: 0.41 s Wall time: 0.41 s david --~--~---------~--~----~------------~-------~--~----~ 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://www.sagemath.org -~----------~----~----~----~------~----~------~--~---