On Mon, Feb 21, 2011 at 2:24 AM, David Kirkby <david.kir...@onetel.net> wrote:
> On 21 February 2011 06:20, William Stein <wst...@gmail.com> wrote:
>> There are many (important) potential users who do not use Sage at all
>> just because the startup time is so bad.    It's really unfortunate
>> how much I let the startup time of Sage slip over the years.  Sorry.
>
>> William Stein
>
> I feel very sorry for anyone that would not use a useful bit of
> software because it takes a few seconds longer to start than they
> would expect for software.
>
> If I want to do a few quick calculations, the command I run is:
>
> $ bc -l
>
> as the 'bc' calculator starts almost instantly - quicker even than 
> Mathematica.

But if sage started up as quick as bc, would you be using the (much
less featured) bc? I have resorted to using "sage -ipython" when I
don't need Sage, which never used to be the case when it was fast.

> Perhaps "startup time" should be added to
>
> http://en.wikipedia.org/wiki/Comparison_of_computer_algebra_systems
>
> though perhaps Wikipedia would consider that "original research".
>
> Of course it would be nice for Sage not to take too long to start, but
> one would have to be pretty sad to reject a piece of software on the
> basis of how long it takes to start.

Unfortunate but true. The point of the test is that we shouldn't even
be close to 1.5 or 2 seconds. Now that the lazy import improvements
are finally in (that took a whole year) we should be able to more
aggressively attack this, e.g.
http://trac.sagemath.org/sage_trac/ticket/8254

- Robert

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