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Showing content from https://mail.python.org/pipermail/python-dev/2002-August/027584.html below:

[Python-Dev] The memo of pickle

[Python-Dev] The memo of pickle [Python-Dev] The memo of pickleGuido van Rossum guido@python.org
Fri, 09 Aug 2002 10:03:40 -0400
> One of the things I mentioned on the c.l.py thread is the
> Py_BEGIN_ALLOW_THREADS and Py_END_ALLOW_THREADS calls around every
> fwrite() call.  I looked into it, using Penrose's test case, and found
> that the locking alone added 25% overhead.  I expect the layer or two
> of C function calls above fwrite() add overhead.  I also expect that
> calling fwrite() repeatedly for very small strings is inefficient.
> 
> If I were to suggest a cPickle project, it would be an efficient
> internal buffering scheme.

Who's got time?  It's fast enough for Zope. :-)

--Guido van Rossum (home page: http://www.python.org/~guido/)



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