You need to pass at least one XML file as test input:
$ ./pyxmlperftest.py 1.xml 2.xml 3.xml
Sample final results:
Results: xml.dom.minidom: 7.49 MBps lxml.etree: 89.63 MBps xml.etree.ElementTree.iterparse: 31.77 MBps xml.etree.ElementTree: 58.43 MBps xml.sax: 25.68 MBps
From what I've seen so far,
lxml is superior to all other options by
a wide margin, will
minidom is the slowest option by far.
This is not a very scientific benchmark, so take the results with a grain of salt.