Variable-length stack allocated arrays

[retard]

Mon, 11 Jan 2010 05:26:28 -0500, bearophile wrote:

> grauzone:
>> Why are you making such proposals, when one of the core developers even
>> thought about removing normal "scope"?
> 
> I have a nice implementation of Barnes-Hut algorithm translated from
> Java. Its running time goes from 18.1 seconds to 7.6 s adding "scope"
> where some classes are initialized (those classes are 3D vectors, that
> can also become structs).
> 
> If scope classes are removed, then it may be necessary to add struct
> inheritance to D2, because in several situations objects can't be used
> (and by the way, the very latest Java HotSpot

latest = 17.0-b05 ?

> needs about 10.9 s to run
> the same code, despite it performs Escape Analysis, probably because
> such Analysis is not as good as my manual scope annotations). On request
> I can show all the code discussed here.
> 
> Bye,
> bearophile