Which file system and mount options are you using? These numbers sound a tad too long.
On my laptop (SSD, but with warm cache, so it doesn't matter): [vbraun@laptop ~]$ time echo "" | sage ---------------------------------------------------------------------- | Sage Version 5.3.beta0, Release Date: 2012-08-01 | | Type "notebook()" for the browser-based notebook interface. | | Type "help()" for help. | ---------------------------------------------------------------------- ********************************************************************** * * * Warning: this is a prerelease version, and it may be unstable. * * * ********************************************************************** sage: sage: Exiting Sage (CPU time 0m0.05s, Wall time 0m0.05s). real 0m0.986s user 0m0.765s sys 0m0.219s On sagepad.org (hdd, inside a kvm virtual machine): [sagebuilder@backend sage-5.2]$ time echo "" | ./sage ---------------------------------------------------------------------- | Sage Version 5.2, Release Date: 2012-07-25 | | Type "notebook()" for the browser-based notebook interface. | | Type "help()" for help. | ---------------------------------------------------------------------- sage: sage: Exiting Sage (CPU time 0m0.02s, Wall time 0m0.07s). real 0m1.179s user 0m0.927s sys 0m0.218s On Friday, August 10, 2012 8:51:17 PM UTC-4, William wrote: > > Hi, > > I'm sad that on a fast SSD repeatedly doing the following: > > wstein@geom:/usr/local/sage/sage-5.2$ time echo "" | ./sage > ---------------------------------------------------------------------- > | Sage Version 5.2, Release Date: 2012-07-25 | > | Type "notebook()" for the browser-based notebook interface. | > | Type "help()" for help. | > ---------------------------------------------------------------------- > sage: sage: > Exiting Sage (CPU time 0m0.03s, Wall time 0m0.03s). > > real 0m1.902s > user 0m1.428s > sys 0m0.424s > > always outputs 1.9 seconds! That test was < 1 second on sage.math > when I put in a doctest to make sure it didn't exceed that 1 second, > when we were trying to improve the sage startup time. In the > intervening year (?), the test is ignored or gone, and the startup > time seems to have got a bit worse. Dang. > > On another faster machine, I'm getting: > > wstein@combinat:/usr/local/sage/sage-5.2$ time echo "" | ./sage > ---------------------------------------------------------------------- > | Sage Version 5.2, Release Date: 2012-07-25 | > | Type "notebook()" for the browser-based notebook interface. | > | Type "help()" for help. | > ---------------------------------------------------------------------- > sage: sage: > Exiting Sage (CPU time 0m0.04s, Wall time 0m0.05s). > > real 0m1.580s > user 0m1.224s > sys 0m0.356s > > > Any ideas? > > > > > William > > > > > -- > William Stein > Professor of Mathematics > University of Washington > http://wstein.org > -- -- 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
