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Date:      Fri, 19 Apr 2002 06:48:12 -0700
From:      rob <rob@pythonemproject.com>
To:        Alexander Leidinger <Alexander@Leidinger.net>
Cc:        perky@fallin.lv, ports@FreeBSD.ORG
Subject:   Re: icc-compiled Python
Message-ID:  <3CC0201C.E32A0CA2@pythonemproject.com>
References:  <200204190930.g3J9UET0000796@Magelan.Leidinger.net>

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Sorry I missed the beginning of the thread.  Is this Icc Python faster
than the normal one?  I am wondering as I've found FreeBSD Python 2.1 to
be 1/2 the speed of the ActiveState Windows version on Win2k, using
Numeric Python.  This was using an FDTD benchmark and a Romberg variable
width integration benchmark.  Rob.


Alexander Leidinger wrote:
> 
> On 19 Apr, Hye-Shik Chang wrote:
> 
> >  I compiled python using each of gcc and icc.
> 
> Great. Do you have any patches do do it in an automated way?
> 
> >  (on compiling with icc, I compiled 6 sources with gcc by hand
> >   to avoid icc's error hehe.)
> 
> Which files and which errors?
> 
> >      Tests:                              per run    per oper.   overhead
> >      ------------------------------------------------------------------------
> 
> Which CPU?
> 
> > icc                  ConcatStrings:     394.49 ms    2.63 us    1.56 m
> > gcc                  ConcatStrings:     246.33 ms    1.64 us    1.95 m
> > icc                  ConcatUnicode:     499.96 ms    3.33 us    1.56 m
> > gcc                  ConcatUnicode:     369.77 ms    2.47 us    2.34 m
> 
> > icc                 StringMappings:     535.74 ms    4.25 us    1.56 m
> > gcc                 StringMappings:     315.66 ms    2.51 us    2.34 m
> 
> > icc                  StringSlicing:     231.56 ms    1.32 us    1.95 m
> > gcc                  StringSlicing:     191.72 ms    1.10 us    2.34 m
> 
> > icc                 UnicodeSlicing:     274.41 ms    1.57 us    2.34 m
> > gcc                 UnicodeSlicing:     233.87 ms    1.34 us    2.73 m
> 
> Any chance the files you compiled with gcc instead of icc are related to
> those tests?
> 
> Bye,
> Alexander.
> 
> --
>          The computer revolution is over. The computers won.
> 
> http://www.Leidinger.net                       Alexander @ Leidinger.net
>   GPG fingerprint = C518 BC70 E67F 143F BE91  3365 79E2 9C60 B006 3FE7
> 
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