From: Keith Fahlgren <keith@...>
Date: 2006-02-25T01:31:24+09:00
Subject: Re: [ANN] LibXML-Ruby 0.3.6

On Thursday 23 February 2006 2:32 pm, Ross Bamford wrote:
> LibXML-Ruby 0.3.6 is now available from Rubyforge. LibXML-Ruby is (as
> you may have guessed) a C-language Ruby binding to the Gnome LibXML2
> library, supporting a wide range of XML technologies and offering
> very competitive performance across the board.

Wow, this is a pretty incredible speedup!

<meaningless:benchmark filled-with-mistakes="true">
Input doc:
keith@devel /work/frame/templates/main $ du -h main.chap.mx && wc 
main.chap.mx
2.2M    main.chap.mx
  21063   75272 2287526 main.chap.mx


LibXML
keith@devel /work/frame/templates/main $ time ruby -e "require 
'rubygems'; require 'xml/libxml'; d = 
XML::Document.file('main.chap.mx'); d.find('//String').each{|n| puts 
n}" | wc
   2090    9200   99275

real    0m0.785s
user    0m0.728s
sys     0m0.068s


REXML:
time ruby -e "require 'rexml/document'; d = 
REXML::Document.new(File.new('main.chap.mx')); REXML::XPath.each(d, 
'//String/'){|n| puts n.text}" | wc
   2090    9200   60422

real    1m41.021s
user    1m40.710s
sys     0m0.308s

Computer: 2 x PIII 650Mhz, 1GB RAM
</meaningless:benchmark>

Nice work, folks.

Keith