FOUNDIT (was Re: massive threading performance)

[Lawrence D'Oliveiro]

In article <44476e82$0$31650$e4fe514c at news.xs4all.nl>,
 Paul Sijben <sijben at eemvalley.com> wrote:

>I found that the problem was caused by the sending thread not giving
>control back quickly enough to the receiving thread.
>
>Also in going through the code I found an old self.s.setblocking(0)call
>that was no longer relevant. Removing that solved my problem.
>
>Something that took 20 seconds now takes just 1.

You might also find that it goes still faster if you forego threading 
and use a select.select loop.