> Note that there's a double overhead here: firstly you're bringing up a
new Java VM for each transformation,
> and secondly you're recompiling the stylesheet for each transformation.

Isn't the meaning of the
*    "cache" : true()*

key-value pair in the $*options *argument of `fn:transform()` exactly to
compile the stylesheet only once and to reuse the compiled result on any
time in the future the same stylesheet node or stylesheet text is passed?