[Python-Dev] Idea: more compact, interned string key only dict for namespace. (original) (raw)

INADA Naoki songofacandy at gmail.com
Thu Jun 23 03:41:21 EDT 2016

I've checked time and maxrss of sphinx-build.

In case of sphinx,

master

$ rm -rf build/ $ /usr/bin/time ~/local/python-master/bin/sphinx-build -b html -d build/doctrees -D latex_paper_size= . build/html -QN

71.76user 0.27system 1:12.06elapsed 99%CPU (0avgtext+0avgdata 176248maxresident)k 80inputs+202888outputs (2major+58234minor)pagefaults 0swaps

71.86user 0.28system 1:12.16elapsed 99%CPU (0avgtext+0avgdata 176312maxresident)k 0inputs+201480outputs (0major+59897minor)pagefaults 0swaps

$ rm -rf build/ $ /usr/bin/time ~/local/python-compact/bin/sphinx-build -b html -d build/doctrees -D latex_paper_size= . build/html -QN

72.18user 0.27system 1:12.47elapsed 99%CPU (0avgtext+0avgdata 158104maxresident)k 728inputs+200792outputs (0major+53409minor)pagefaults 0swaps

72.79user 0.30system 1:13.11elapsed 99%CPU (0avgtext+0avgdata 157916maxresident)k 0inputs+200792outputs (0major+54072minor)pagefaults 0swaps

(Only shared key removed. No interned key only dict)

$ rm -rf build/ $ /usr/bin/time ~/local/python-intern/bin/sphinx-build -b html -d build/doctrees -D latex_paper_size= . build/html -QN

71.79user 0.34system 1:12.16elapsed 99%CPU (0avgtext+0avgdata 165884maxresident)k 480inputs+200792outputs (0major+56947minor)pagefaults 0swaps

71.84user 0.27system 1:12.13elapsed 99%CPU (0avgtext+0avgdata 166888maxresident)k 640inputs+200792outputs (5major+56834minor)pagefaults 0swaps