Speed Comparison Perl Python & C

Bart Nessux bart_nessux at hotmail.com
Sun Feb 29 21:28:53 CET 2004


Dennis Lee Bieber wrote:

> On Sun, 29 Feb 2004 12:44:51 -0500, Bart Nessux
> <bart_nessux at hotmail.com> declaimed the following in comp.lang.python:
> 
>> Just fooling around this weekend. Wrote and timed programs in C, Perl and
>> Python. Each Program counts to 1,000,000 and prints each number to the
>> console as it counts. I was a bit surprised. I'm not an expert C or Perl
>> programming expery, I'm most familiar with Python, but can use the others
>> as well.
>> 
>> Here are my results:
>> 
>> C = 23 seconds
>> Python = 26.5 seconds
>> Perl = 34.5 seconds
>> 
> Given that the slowest part of those programs is the conversion
> from internal integer to printable format, followed by the actual I/O
> operation... and that, at the lowest level, Python uses the C I/O
> libraries, that isn't too surprising. All you've shown is the overhead
> on top of the C I/O system.
> 
> You might want to read
> 
> http://www.pythonsoft.com/empirical_data.pdf
> 
> (Took me a while to find that -- the original author's site seems to
> have closed down)
> 
> --
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Thanks for the link, looks like a good read.




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