Oops, sorry.

On Friday, March 14, 2014 11:38:34 AM UTC-4, horridohobbyist wrote:
>
> The computed time interval brackets the calculations. I don't see how that 
> would be affected by HTTP processing.
>
> Anyway, just replacing the calculations with a string return gives:
>
> elapsed time: 2.09808349609e-05
>
>
> On Friday, 14 March 2014 11:27:39 UTC-4, Anthony wrote:
>>
>> How long does web2py take to return just a simple string (i.e., remove 
>> the calculations from test())? You can't really compare the time an HTTP 
>> request takes to the time it takes to run a simple Python script -- a lot 
>> more is going in with an HTTP request (though .1 seconds still sounds high).
>>
>> Anthony
>>
>> On Friday, March 14, 2014 9:28:48 AM UTC-4, horridohobbyist wrote:
>>
>>> I conducted a simple experiment. I took the "Welcome" app, surely the 
>>> simplest you can have (no databases, no concurrency, etc.), and added the 
>>> following to the index page:
>>>
>>> def test():
>>>     start = time.time()
>>>     x = 0.0
>>>     for i in range(1,5000):
>>>         x += (float(i+10)*(i+25)+175.0)/3.14
>>>     debug("elapsed time: "+str(time.time()-start))
>>>     return
>>>
>>> I get an elapsed time of 0.103 seconds.
>>>
>>> The same exact code in a command line program...
>>>
>>> if __name__ == '__main__':
>>>     test()
>>>
>>> gives an elapsed time of 0.003 seconds. *That's 35 times faster!* It's 
>>> not the 2 orders of magnitude I'm seeing in the pyShipping code, but my 
>>> point is proven. There is something hinky about web2py that makes Python 
>>> code execute much more slowly. Is web2py using a different Python version? 
>>> As far as I can tell, I only have Python 2.6.5 installed on my Linux server.
>>>
>>>
>>> On Friday, 14 March 2014 08:17:00 UTC-4, Leonel Câmara wrote:
>>>>
>>>> If you have a performance issue why haven't you used a profiler yet? No 
>>>> one is going to "guess" it,
>>>>
>>>> web2py.py -F foldername
>>>>
>>>> Then use something like runsnakerun or pstats.
>>>>
>>>

-- 
Resources:
- http://web2py.com
- http://web2py.com/book (Documentation)
- http://github.com/web2py/web2py (Source code)
- https://code.google.com/p/web2py/issues/list (Report Issues)
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