Python 3 read() function

Дамјан Георгиевски gdamjan at gmail.com
Thu Dec 4 20:01:11 CET 2008


> I don't think it matters.  Here's a quick comparison between 2.5 and
> 3.0 on a relatively small 17 meg file:
> 
> C:\>c:\Python30\python -m timeit -n 1
> "open('C:\\work\\temp\\bppd_vsub.csv', 'rb').read()"
> 1 loops, best of 3: 36.8 sec per loop
> 
> C:\>c:\Python25\python -m timeit -n 1
> "open('C:\\work\\temp\\bppd_vsub.csv', 'rb').read()"
> 1 loops, best of 3: 33 msec per loop
> 
> That's 3 orders of magnitude slower on python3.0!

Isn't this because you have the file cached in memory on the second run? 

-- 
дамјан ( http://softver.org.mk/damjan/ )

"The moment you commit and quit holding back, all sorts of unforseen
incidents, meetings and material assistance will rise up to help you.
The simple act of commitment is a powerful magnet for help." -- Napoleon



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