9.1 Proposal: Top five performance problems

[Sayamindu Dasgupta]

On Fri, Oct 24, 2008 at 10:10 PM, Michael Stone <michael at laptop.org> wrote:
> Marco,
>
> I did some basic profiling of my new rainbow code last night and
> discovered that, in the best case with the current codebase on XO, it
> costs about 0.5s/"1 exec(python)". Approximately 80% of the 0.5s was
> spent importing modules.
>
> I hope to dig deeper in the near future, but I am concerned at my lack
> of inspiration about how to deal with this problem. (Other than by
> rewriting into a different language.) I still do not consider the
> mod_python approach used in the 767-era rainbow to be a viable long-term
> solution.
>

FWIW, I had done some experiments with Federico's profiling scripts in
the early stages of the 8.2 cycle, and had got similar results:
http://dev.laptop.org/~sayamindu/not_so_prettygraph.png
It's not much meaningful, but if it helps in any way.. :-)
-sdg-



-- 
Sayamindu Dasgupta
[http://sayamindu.randomink.org/ramblings]