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From: Steve Simmons <square.steve@gmail.com>
Date: Wed, 10 Jul 2013 12:18:37 +0100
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Steven D'Aprano <steve@pearwood.info> wrote:

>On Wed, 10 Jul 2013 07:55:05 +0000, Mats Peterson wrote:
>
>> A moderator who calls himself “animuson” on Stack Overflow doesn’t
>want
>> to face the truth. He has deleted all my postings regarding Python
>> regular expression matching being extremely slow compared to Perl.
>
>That's by design. We don't want to make the same mistake as Perl, where
>
>every problem is solved by a regular expression:
>
>http://neilk.net/blog/2000/06/01/abigails-regex-to-test-for-prime-numbers/
>
>so we deliberately make regexes as slow as possible so that programmers
>
>will look for a better way to solve their problem. If you check the 
>source code for the re engine, you'll find that for certain regexes, it
>
>busy-waits for anything up to 30 seconds at a time, deliberately
>wasting 
>cycles.
>
>The same with Unicode. We hate French people, you see, and so in an 
>effort to drive everyone back to ASCII-only text, Python 3.3 introduces
>
>some memory optimizations that ensures that Unicode strings work 
>correctly and are up to four times smaller than they used to be. You 
>should get together with jmfauth, who has discovered our dastardly plot
>
>and keeps posting benchmarks showing how on carefully contrived micro-
>benchmarks using a beta version of Python 3.3, non-ASCII string 
>operations can be marginally slower than in 3.2.
>
>
>> Additionally my account has been suspended for 7 days. Such a
>dickwad.
>
>I cannot imagine why he would have done that.
>
>
>-- 
>Steven
>-- 
>http://mail.python.org/mailman/listinfo/python-list

:-)  Thank you.

Sent from a Galaxy far far away
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<html><head/><body><html><head></head><body><div class="gmail_quote">Steven D&#39;Aprano &lt;steve@pearwood.info&gt; wrote:<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<pre style="white-space: pre-wrap; word-wrap:break-word; font-family: monospace; margin-top: 0px">On Wed, 10 Jul 2013 07:55:05 +0000, Mats Peterson wrote:<br /><br /><blockquote class="gmail_quote" style="margin: 0pt 0pt 1ex 0.8ex; border-left: 1px solid #729fcf; padding-left: 1ex;">A moderator who calls himself “animuson” on Stack Overflow doesn’t want<br />to face the truth. He has deleted all my postings regarding Python<br />regular expression matching being extremely slow compared to Perl.</blockquote><br />That's by design. We don't want to make the same mistake as Perl, where <br />every problem is solved by a regular expression:<br /><br /><a href="http://neilk.net/blog/2000/06/01/abigails-regex-to-test-for-prime-numbers">http://neilk.net/blog/2000/06/01/abigails-regex-to-test-for-prime-numbers</a>/<br /><br />so we deliberately make regexes as slow as possible so that programmers <br />will look for a better way to solve their problem. If you check the <br />source
code for the re engine, you'll find that for certain regexes, it <br />busy-waits for anything up to 30 seconds at a time, deliberately wasting <br />cycles.<br /><br />The same with Unicode. We hate French people, you see, and so in an <br />effort to drive everyone back to ASCII-only text, Python 3.3 introduces <br />some memory optimizations that ensures that Unicode strings work <br />correctly and are up to four times smaller than they used to be. You <br />should get together with jmfauth, who has discovered our dastardly plot <br />and keeps posting benchmarks showing how on carefully contrived micro-<br />benchmarks using a beta version of Python 3.3, non-ASCII string <br />operations can be marginally slower than in 3.2.<br /><br /><br /><blockquote class="gmail_quote" style="margin: 0pt 0pt 1ex 0.8ex; border-left: 1px solid #729fcf; padding-left: 1ex;">Additionally my account has been suspended for 7 days. Such a dickwad.</blockquote><br />I cannot imagine why he would
have done that.<br /><br /></pre></blockquote></div><br clear="all">:-)  Thank you.<br>
<br>
Sent from a Galaxy far far away</body></html></body></html>
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