Expat VS XML::Twig (Perl)

"howard chen" <[email protected]>
Newsgroups gmane.text.xml.expat.general
Message-ID <[email protected]>
Currently I have around 1.2GB raw XML file to be processed using
XML::Twig (a perl module, which is also using expat), need around 2
hours to parse and write to a CSV file. (My code is quite optimized)

If i use the expat directly, how many % in time I can gain?
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