Re: xslt performance issue position() function used in

On Friday 25 August 2006 12:08, Michael Kay wrote:
> Firstly, the fact that ./v[$p] doesn't work, but ./v[$p + 0] does work,
> means that the value of $p is not a number. Perhaps it is a string, or
> perhaps it is a result tree fragment. Either way, you would probably get an
> immediate performance improvement by changing it to be a number, to avoid
> the conversion costs each time the value is used.
>
> Incidentally, the expression "./v" is exactly the same as "v". If your
> processor is particularly stupid, the more complex expression might take
> longer to evaluate.

When is the context item not redundant in a path expression? Some examples:

./a/b/c
a/b/c/.
a/b/./c
a/b/././c


Cheers,

		Frans