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| author | Vijay Pandurangan <vijayp@vijayp.ca> | 2011-11-20 03:30:44 +0800 |
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| committer | Lance Stout <lancestout@gmail.com> | 2011-11-20 03:39:05 +0800 |
| commit | deb52ad3502a94f91ef5400bf5b7605b8e151f50 (patch) | |
| tree | 879d9e076ed037bf5056514a8e470e7d471f26ca /sleekxmpp/thirdparty/suelta/mechanisms | |
| parent | 1baf139ca4be0c05a6a845becf18412b213a3c02 (diff) | |
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This change stops sleekxmpp from spending huge amounts of time unnecessarily computing logging data that may never be used. This is a HUGE performance improvement; in some of my test runs, unnecessary string creation was accounting for > 60% of all CPU time.
Note that using % in a string will _always_ perform the sting substitutions, because the strings are constructed before the function is called. So log.debug('%s' % expensiveoperation()) will take about the same CPU time whether or not the logging level is DEBUG or INFO. if you use , no substitutions are performed unless the string is actually logged
Diffstat (limited to 'sleekxmpp/thirdparty/suelta/mechanisms')
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