>For example, even in a process that is mostly network- and IO-bound, this transformation makes for a 3% speedup: def sendstream(self, source): + write = self.fout.write for chunk in source.gen: - self.fout.write(chunk) + write(chunk) self.fout.flush() (_\\) соус: http://bos.github.com/reaktor-dev-day-20.....lides.html