[Python-Dev] Improved thread switching

[Adam Olsen]

On Wed, Mar 19, 2008 at 11:25 AM, Stefan Ring <s.r at visotech.at> wrote:
> Adam Olsen <rhamph <at> gmail.com> writes:
>
>
> > So you want responsiveness when idle but throughput when busy?
>
>  Exactly ;)
>
>
>  > Are those calculations primarily python code, or does a C library do
>  > the grunt work?  If it's a C library you shouldn't be affected by
>  > safethread's increased overhead.
>  >
>
>  It's Python code all the way. Frankly, it's a huge mess, but it would be very
>  very hard to come up with a scalable solution that would allow to optimize
>  certain hotspots and redo them in C or C++. There isn't even anything left to
>  optimize in particular because all those low hanging fruit have already been
>  taken care of. So it's just ~30kloc Python code over which the total time spent
>  is quite uniformly distributed :(.

I see.  Well, at this point I think the most you can do is file a bug
so the problem doesn't get forgotten.  If nothing else, if my
safethread stuff goes in it'll very likely include a --with-gil
option, so I may put together a FIFO scheduler.


-- 
Adam Olsen, aka Rhamphoryncus