[Python-Dev] Accessing globals without dict lookup
Tim Peters
tim.one@comcast.net
2002年2月08日 23:35:22 -0500
[Jason Orendorff]
> The following is totally unimportant, but I feel compelled to share:
>> I implemented this once, long ago, for Python 1.5-ish, I believe. I got
> it to the point where it was only 15% slower than ordinary Python, then
> abandoned it. ;) In my implementation, "cells" were real first-class
> objects,
That shouldn't matter to speed via any first-order effect, unless you also
used accessor functions instead of direct reference to get at the data
members.
> and "celldict" was a copy-and-hack version of dictionary.
Hmm.
> I forget how the rest worked.
>> Anyway, this is all very exciting to me. :)
Don't worry -- it will run much faster if Guido codes it. One key
difference is that Guido will run each cell in its own thread <wink>.