No - sorry for not being clearer - this is from a source install. -M. Hampton
On May 7, 5:21 pm, John H Palmieri <[EMAIL PROTECTED]> wrote: > On May 7, 1:19 pm, mhampton <[EMAIL PROTECTED]> wrote: > > > I wonder what version the "30 seconds" comment was from. The code > > base is probably growing faster than processor/hard drive speeds. > > > On my Macbook, 2.4 Ghz intel chip, 5400rpm drive, a first clone of 3.0 > > takes about 1 minute, the second clone 30 seconds. > > This is from a brand-new, just downloaded, binary build? > > > > > > > > > -M. Hampton > > > On May 7, 1:15 pm, John H Palmieri <[EMAIL PROTECTED]> wrote: > > > > On May 7, 11:35 am, "William Stein" <[EMAIL PROTECTED]> wrote: > > > > > On Wed, May 7, 2008 at 11:27 AM, Nick Alexander <[EMAIL PROTECTED]> > > > > wrote: > > > > > > On 7-May-08, at 11:14 AM, John H Palmieri wrote: > > > > > > > In Section 7.1 of the Sage Programming Guide, it says > > > > > > >> Creating clones of a repository should be fairly fast, e.g., about > > > > > >> 30 seconds. > > > > > > > I just installed a fresh copy of Sage on my Mac and ran 'sage > > > > > -clone > > > > > > blah', and it took almost 15 minutes to complete. Running 'sage > > > > > -clone > > > > > > temp' a second time took just over one minute. Neither of these, > > > > > and > > > > > > especially not the first one, is "about 30 seconds". > > > > > > Cloning a repository is limited by your disk's throughput and > > > > > latency. Your second run is working with a primed disk cache -- this > > > > > says a lot about your disk's random access :) > > > > > > > This is on a 2.4 GHz Mac Book Pro. > > > > > > I have a similar machine and cloning is reasonably snappy. I had an > > > > > older Powerbook and the disk was ridiculously slow. > > > > > > You might find mercurial queues lets you work with fewer clones. > > > > > > Nick > > > > > I think the main point of John's email is that we should update the Sage > > > > Programming guide with the remarks you make above. > > > > > Is that right John? > > > > Yes, that's right. > > > > > 15 minutes for a first clone is very very very weird though. It's just > > > > copying a bunch of files. Maybe something else was going on with > > > > your computer, e.g., os x was building some spotlight index or > > > > something... > > > > I'm doing this starting from a binary build, so according to didier's > > > post, there is some extra work that's going on. Certainly according > > > to the messages that sage prints out during the cloning, it's > > > compiling a bunch of files, not just copying things. > > > > > 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://www.sagemath.org -~----------~----~----~----~------~----~------~--~---
