Can't comment on speed, but I find XML::Twig's capability to do twig->purge to free memory as you go to be invaluable, once you start parsing large files - I seem to recall the rule of thumb is that you need to assume 10x memory overhead when XML parsing.

In reply to Re: Fastest XML Parser for BIG files by Preceptor
in thread Fastest XML Parser for BIG files by Doctrin

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