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Re: Use cases for parsing efficiency (was Re: Parsing

• To: "Alaric B. Snell" <alaric@a...>
• Subject: Re: Use cases for parsing efficiency (was Re: Parsing efficiency? - why not 'compile'????)
• From: Robin Berjon <robin.berjon@e...>
• Date: Wed, 26 Feb 2003 17:46:33 +0100
• Cc: bill.dehora@p..., xml-dev@l...
• In-reply-to: <E18o4GW-0000Rj-00@c...>
• Organization: Expway
• References: <OF047F14BF.0A3C2919-ONCA256CD8.00031C17@f...> <oprk7i1rxzezizxn@s...> <3E5CE5F7.20908@p...> <E18o4GW-0000Rj-00@c...>
• Reply-to: robin.berjon@e...
• User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.2) Gecko/20021126

Alaric B. Snell wrote:
> Binary data encodings that compare with XML seem to quote being able to 
> reduce the size of the data to 20%-50% of the original size. Happy? :-)

Where do you get those numbers from? Results naturally vary a lot according to 
the data set, but given a sufficiently smart scheme compression of the 
structural information tends to revolve around 2% of the original size (x20 
factor) quite easily.

With some SOAP messages it can get really stupid on some requests with factors 
over 200.

And then the rest varies according to the data/structure ratio, whether zlib is 
an option or not, whether some things can be optimised away, etc. but 50% would 
seem highly unusual to me.

-- 
Robin Berjon <robin.berjon@e...>
Research Engineer, Expway        http://expway.fr/
7FC0 6F5F D864 EFB8 08CE  8E74 58E6 D5DB 4889 2488

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