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xom-interest - Re: [XOM-interest] Performance of Java XPath engines

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Subject: XOM API for Processing XML with Java

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  • From: shirasu hiroyuki <hirsh AT s9.dion.ne.jp>
  • To: xom-interest AT lists.ibiblio.org
  • Subject: Re: [XOM-interest] Performance of Java XPath engines
  • Date: Thu, 20 Jan 2005 10:05:26 +0900 (JST)

Dear Elliote, Michael and Wolfgang,

Thank you very much for your valuable comments. I learn
a lot things from them. I must apologize for the delay
in replying and for my poor English. I write English very
slowly.

I know that performance of Saxon for precompiled expressions
is better than ones of the other engines.
I planed to check performance of XPath engines for pre-
compiled XPath expressions first. But I does not understand
how engines process lifecycle and size of cache for pre-
compiled expressions. To evaluate precompiled expressions
simply multi times may cause worse performance than non
precompiled case sometimes (especially, JXPath).
I would like to study a lot and improve my observation.

Thanks,
--
shirasu hiroyuki(hirsh AT s9.dion.ne.jp)




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