[Twisted-Python] Usenix paper on event dispatch mechanisms

[Itamar Shtull-Trauring]

Glyph Lefkowitz wrote:


> Wow.  I just read that 3 times, and my brain just can't accept that it is
> _good_ for performance.  Thanks for digging it up, itamar!

Think about it - a selct() is very expensive, and you have to do one 
before every accept(). This way, if a lot of connections are waiting we 
do them quickly (accept() is apparently less expensive) and can starts 
sending them data on the next select(). The paper has more details.