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

["Michael Kay mike@xxxxxxxxxxxx" <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx>]

It depends. Measure it and see, and tell us what you find.

For example, it depends on what XSLT processor you are using and it depends on
what other template rules are present.

Michael Kay
Saxonica
mike@xxxxxxxxxxxx
+44 (0) 118 946 5893




On 4 Nov 2014, at 20:32, Costello, Roger L. costello@xxxxxxxxx
<xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> wrote:

> Hi Folks,
>
> 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">...
>
> That is, will my program execute faster if:
>
> - I have templates with highly specific match-patterns and the templates
contain a simple if-statement
>
> or
>
> - I have templates with a simple match-patterns and the templates contain a
highly specific if-statement
>
> /Roger