[Pythonmac-SIG] 2.4.3 Python Universal Binary Pystone Comparison

Bob Ippolito bob at redivi.com
Fri Apr 7 08:08:22 CEST 2006 

It really has nothing to do with Xcode (or even GCC).  This is all  
autoconf, but I'm pretty sure it was just that Ronald had an OPT  
environment variable set when he built it because I can't reproduce.

-bob

On Apr 6, 2006, at 10:38 PM, Paul Berkowitz wrote:

> Maybe someone should ask on the Xcode mailing list. Almost every  
> question is being answered there by the lead Xcode Tools Apple  
> engineer, Chris Espinosa.
>
> -- 
> Paul Berkowitz
>
>
> From: Bob Ippolito <bob at redivi.com>
> Date: Thu, 6 Apr 2006 22:34:26 -0700
> To: Ted Leung <twl at sauria.com>
> Cc: <pythonmac-sig at python.org>
> Subject: Re: [Pythonmac-SIG] 2.4.3 Python Universal Binary Pystone  
> Comparison
>
> Ok, I see what the problem is, because the Universal python is also  
> half as fast on my PPC.
>
> It appears that the universal build is not using any compiler  
> optimizations at all, where a normal build is -O3.  I'm not quite  
> sure where/why this is happening (autoconf is evil), but I'm sure  
> someone will figure it out soon enough.
>
> # universal
> OPT=        -DNDEBUG -g
>
> # normal
> OPT=        -DNDEBUG -g -O3 -Wall -Wstrict-prototypes
>
> -bob
>
> On Apr 6, 2006, at 10:04 PM, Ted Leung wrote:
>
>> I just realized that I only sent this to Shane, so for the whole  
>> list (and Alex)
>>
>> Hmm.  Here's three of those...
>>
>> [sprout:2065]> ./python.exe -c "from test.pystone import pystones;  
>> print pystones()"
>> (1.22, 40983.606557377047)
>> ===============================================================  
>> 2006-04-06 18:06
>> [sprout:2065]> ./python.exe -c "from test.pystone import pystones;  
>> print pystones()"
>> (1.23, 40650.406504065038)
>> ===============================================================  
>> 2006-04-06 18:06
>> [sprout:2065]> ./python.exe -c "from test.pystone import pystones;  
>> print pystones()"
>> (1.22, 40983.606557377047)
>>
>>
>>
>> On Apr 6, 2006, at 5:08 PM, Shane Holloway (IEEE) wrote:
>>
>>> Nice.  Very jealous about the Intel MacBook Pros.  :)  You both  
>>> better put them to good use!  ;)
>>>
>>> Have either of you tried building the 2.4 release branch and  
>>> running pystones from it?
>>>
>>> For those reading who may not know how from Terminal::
>>>
>>> svn co http://svn.python.org/projects/python/branches/release24- 
>>> maint py-24
>>> cd py-24
>>> ./configure
>>> make
>>> ./python.exe -c "from test.pystone import pystones; print pystones 
>>> ()"
>>>
>>>
>>> On Apr 6, 2006, at 16:15, Jordan Mantha wrote:
>>>
>>>> And here is mine on a 1.83GHz 17" Intel iMac:
>>>>
>>>> $ python -V
>>>> Python 2.4.3
>>>>
>>>> $ python -c "from test.pystone import pystones; print pystones()"
>>>> (1.99, 25125.628140703517)
>>>>
>>>> -Jordan Mantha
>>>>
>>>>
>>>> On Apr 6, 2006, at 2:36 PM, Ted Leung wrote:
>>>>
>>>>> FWIW here are 3 runs from 1.83GHz MacBook Pro....
>>>>>
>>>>> [sprout:2132]> /Library/Frameworks/Python.framework/Versions/ 
>>>>> 2.4/bin/python -c "from test.pystone import pystones; print  
>>>>> pystones()"
>>>>> (2.0400000000000005, 24509.803921568622)
>>>>> ===============================================================  
>>>>> 2006-04-06 14:35[sprout:2132]> /Library/Frameworks/ 
>>>>> Python.framework/Versions/2.4/bin/python -c "from test.pystone  
>>>>> import pystones; print pystones()"
>>>>> (2.0299999999999998, 24630.541871921185)
>>>>> ===============================================================  
>>>>> 2006-04-06 14:35[sprout:2132]> /Library/Frameworks/ 
>>>>> Python.framework/Versions/2.4/bin/python -c "from test.pystone  
>>>>> import pystones; print pystones()"
>>>>> (2.0800000000000005, 24038.461538461532)
>>>>>
>>>>> Ted
>>>>>
>>>>>
>>>>> On Apr 6, 2006, at 1:39 PM, Shane Holloway (IEEE) wrote:
>>>>>
>>>>>> I was just wondering if anyone else had compared pystones on  
>>>>>> their box?  I downloaded the latest Universal Build from the  
>>>>>> python.org and found things to be a bit sluggish.  So I ran  
>>>>>> the pystones test to quickly gauge things, and noticed that  
>>>>>> things are indeed running about 1/3 of what they should be.   
>>>>>> (Specific info from the Terminal below.)  Anyone have ideas?   
>>>>>> They both appear to be built from GCC 4.0.  Let me know what  
>>>>>> other information you need from me.
>>>>>>
>>>>>> Also, are there build instructions for creating the Universal  
>>>>>> Packaging?
>>>>>>
>>>>>> Thanks,
>>>>>> -Shane Holloway
>>>>>>
>>>>>>
>>>>>>
>>>>>> >From the Universal Build installed python::
>>>>>>
>>>>>> [shane at dynamic-46] ~% /Library/Frameworks/Python.framework/ 
>>>>>> Versions/2.4/bin/python -V
>>>>>> Python 2.4.3
>>>>>> [shane at dynamic-46] ~% /Library/Frameworks/Python.framework/ 
>>>>>> Versions/2.4/bin/python -c "from test.pystone import pystones;  
>>>>>> print pystones()"
>>>>>> (3.79, 13192.612137203167)
>>>>>>
>>>>>>
>>>>>>
>>>>>> >From the release24-maint branch built on my box::
>>>>>>
>>>>>> [shane at dynamic-46] python/py-24% svn info
>>>>>> Path: .
>>>>>> URL: http://svn.python.org/projects/python/branches/release24- 
>>>>>> maint
>>>>>> Repository UUID: 6015fed2-1504-0410-9fe1-9d1591cc4771
>>>>>> Revision: 43662
>>>>>> Node Kind: directory
>>>>>> Schedule: normal
>>>>>> Last Changed Author: martin.v.loewis
>>>>>> Last Changed Rev: 43618
>>>>>> Last Changed Date: 2006-04-04 00:08:17 -0600 (Tue, 04 Apr 2006)
>>>>>> Properties Last Updated: 2006-04-03 14:39:26 -0600 (Mon, 03  
>>>>>> Apr 2006)
>>>>>>
>>>>>> [shane at dynamic-46] python/py-24% ./python.exe -V
>>>>>> Python 2.4.4c0
>>>>>> [shane at dynamic-46] python/py-24% ./python.exe -c "from  
>>>>>> test.pystone import pystones; print pystones()"
>>>>>> (1.5799999999999998, 31645.569620253169)
>>>>>>
>>>>>> _______________________________________________
>>>>>> Pythonmac-SIG maillist  -  Pythonmac-SIG at python.org
>>>>>> http://mail.python.org/mailman/listinfo/pythonmac-sig
>>>>>>
>>>>>
>>>>>
>>>>> ----
>>>>> Ted Leung                          Blog: <http://www.sauria.com/ 
>>>>> blog>
>>>>> This message is:  [ ] bloggable   [x] ask first    [ ] private
>>>>>
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> Pythonmac-SIG maillist  -  Pythonmac-SIG at python.org
>>>>> http://mail.python.org/mailman/listinfo/pythonmac-sig
>>>>>
>>>>
>>>> _______________________________________________
>>>> Pythonmac-SIG maillist  -  Pythonmac-SIG at python.org
>>>> http://mail.python.org/mailman/listinfo/pythonmac-sig
>>>>
>>>
>>
>>
>> ----
>> Ted Leung                          Blog: <http://www.sauria.com/blog>
>> This message is:  [ ] bloggable   [x] ask first    [ ] private
>>
>>
>>
>> _______________________________________________
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>> http://mail.python.org/mailman/listinfo/pythonmac-sig
>>
>
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