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Re: [xsl] Which executes faster: templates with specific match-patterns and simple content or templates with simple match-patterns and specific content ?


Subject: Re: [xsl] Which executes faster: templates with specific match-patterns and simple content or templates with simple match-patterns and specific content ?
From: "Dimitre Novatchev dnovatchev@xxxxxxxxx" <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx>
Date: Tue, 4 Nov 2014 20:53:34 -0000

On Tue, Nov 4, 2014 at 12:32 PM, Costello, Roger L. costello@xxxxxxxxx
<xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> wrote:
> Which executes faster:
>
> <xsl:template match="A[@x eq 'a']/B[@y eq 'b']/C">
>                 <xsl:if test="D eq 10">...
>
> or
>
> <xsl:template match="A[@x eq 'a' ]">
>                 <xsl:if test="B[@y eq 'b']/C/D eq 10">...

I am not sure there would be great performance difference (and this
might depend on the <xsl:apply-templates> instructions that are not
shown), but as a good programming practice I would recommend to
eliminate the <xsl:if> instructions completely and instead use:


   <xsl:template match="A[@x eq 'a']/B[@y eq 'b']/C[D[1] eq 10]">


-- 
Cheers,
Dimitre Novatchev


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