Jacek,
On Thu, 21 Feb 2002 11:07:42 -0500, "Jacek R. Ambroziak" <[EMAIL PROTECTED]>
wrote:
> The rewrite experiment only shows that there is a *serious bug*
> in the compiler code AND that there is *hope* for much improved
> performance of translets testing conditions in template patterns.
>
> 'dbonerow' helped focus our attention. There are other tests (eg. decoy)
> which seem affected by the same bug. And then there are of course
> many stylesheets written by our users :-)
>
> The rewrite is of the form:
>
> if (A && B) { ... } --> if (A) { if (B) { ... }}
>
> If the second version is 300 times faster, then we've got
> something interesting going on here :-)
If the (A && B) expression is executed correctly, e.g. when A is
false, don't bother executing B, then the expressions are similar.
Is it possible that XSLTC doesn't do this optimization? I don't see
any other reason for such a huge difference.
Regards,
--
Ovidiu Predescu <[EMAIL PROTECTED]>
http://www.geocities.com/SiliconValley/Monitor/7464/ (GNU, Emacs, other stuff)
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