[Python-Dev] cpython (2.7): Fix comment blocks. Adjust blocksize to a power-of-two for better divmod (original) (raw)

Antoine Pitrou solipsis at pitrou.net
Fri Jun 14 10:46:03 CEST 2013


On Fri, 14 Jun 2013 07:06:49 +0200 (CEST) raymond.hettinger <python-checkins at python.org> wrote:

http://hg.python.org/cpython/rev/5accb0ac8bfb changeset: 84116:5accb0ac8bfb branch: 2.7 parent: 84095:ca8e86711403 user: Raymond Hettinger <python at rcn.com> date: Fri Jun 14 01:06:33 2013 -0400 summary: Fix comment blocks. Adjust blocksize to a power-of-two for better divmod computations.

Is there any rationale for changing the heuristic from "fits in a whole number of cachelines" to "allows fast division by the blocksize"?

I personally would prefer if such changes were justified a bit more than by a one-liner changeset message without any corresponding open issue.

Regards

Antoine.



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