Speed: bytecode vz C API calls

[Jacek Generowicz]

aahz at pythoncraft.com (Aahz) writes:

> Generally speaking, map() won't be any faster than a for loop.

This is at odds with my own experience (including a lot of timing runs
in the last two days), countless posts on this newsgroup over the
years, and, for exapmle, this article

  http://www.python.org/doc/essays/list2str.html

by Guido, in which he concludes that  

  "An implied loop in map() is faster than an explicit for loop"