Christian,
thx for your answers.
> the InfoView will give you some hints what’s going on
oh...I should have thought about it. I still don't have this reflex. thanx
>Currently no. You can use the prof:current-ns()
I thought about this one, but isn't this method less accurate than prof:time
?
2013/12/4 Christian Grün <christian.gr...@gmail.com>
> Hi Jean-Marc,
>
> > 1) The following code
> > declare function local:sequence($nb){for $i in 1 to xs:integer($nb)
> return
> > $i};
> > prof:time(fn:count(local:sequence(1000000000000000000)))
> > return 4.94 ms.
>
> the InfoView will give you some hints what’s going on. The reason is
> that your code is compiled and simplified to the following query..
>
> prof:time(fn:count((1 to 1000000000000000000)))
>
> ...which can then be evaluated in constant time.
>
>
> > 2) It seems that you somehow call the fn:trace function in the profile
> > module. Is there a way to catch the returned values of these functions?
>
> Currently no. You can use the prof:current-ns() function instead:
>
> let $start := prof:current-ns()
> let $void := prof:void((1 to 10000000)[. = 1])
> let $end := prof:current-ns()
> let $ms := ($end - $start) div 1000000
> return $ms || ' ms'
>
> Hope this helps,
> Christian
>
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