Thanks mariano, it's very usefull. 2010/11/15 Mariano Reingart <reing...@gmail.com>
> Django is not faster than web2py for "real world" applications, this > is my benchmark that proves it (in this particular case, YMMV): > > django: Pycon Argentina 2009 site: > (based on pycon-tech, pycon 2010 us talk propossal/ site) > ab -n 100 http://pycon.sistemasagiles.com.ar/2009/about/ > Requests per second: 23.13 [#/sec] (mean) > (it is the original server, then it has been moved to ar.pycon.org) > > web2py: PyDay Buenos Aires 2010 > (based on web2conf, pycon 2010 us registration site) > ab -n 100 http://www.pyday.com.ar/buenosbench/default/index > Requests per second: 24.53 [#/sec] (mean) > > web2py app it is a striped down version to include only pycon-tech > "about page" exposed features ("wiki", with menu and sponsor logos). > web2py app doesn't uses cache and is not optimized (django one is, and > it is very very very very too much complicated than the web2py app) > > exec vs import is not the most important issue (and I think it isn't > relevant at all in a full cost vs performance analysis, ROI as you say > in english). > > The biggest performance penality of web2py I've found is the > filesystem access (looking for multiples .py files slow downs > requests/sec). > In this case (in my tests), each new db_*.py model has a performance > lost of ~ 5% to 10% . > Each directory scan has a 1% of performance loss. > > I'm working in some optimizations for compiled apps (avoiding > directory scanning and saving codeobjects in memory improves a lot, > but has some drawbacks as all cache systems). > Maybe when we compile the app can make a sort of dispatcher that > already knows where the files are, so having to list directories is > not needed. > > Anyway, we shouldn't have this kind of discussions on web2py-developers > list? > > When I have some time I'll fully publish this benchmark, just to > demythologize this issue ;-) > (the same for the table definition order, that is not really needed > -there are easy workarounds-) > > Best regards, > > Mariano Reingart > http://www.sistemasagiles.com.ar > http://reingart.blogspot.com > -- My blog: http://martin.tecnodoc.com.ar My portfolio *spanish*: http://www.tecnodoc.com.ar Checkout my last proyect instant-press: http://www.instant2press.com
