[GRASS-dev] v.net.alloc / v.net.iso: very long running time

[Markus Neteler]

On Wed, Jul 9, 2008 at 1:07 PM, Moritz Lennert
<mlennert at club.worldonline.be> wrote:
> Hello,
>
> I'm testing some of the vector network features and am confronted with an
> extremely long running time.
...
> and then a percentage indication which stays at 0% for a very long time... I
> actually let the module run for a night and it still hadn't advanced much.

AFAIK the cache is still disabled in the graph engine (DGLib). That's why
it is so slow:
lib/vector/dglib/BUGS

http://www.nabble.com/-GRASS5--Grass-5.1%27s-Directed-Graph-Library-CVS-snapshot-td8581688.html#a8581693
http://www.nabble.com/v.net.path-td4210952.html#a4217671
http://www.nabble.com/-GRASS5--dgtable-vector-library-td8582331.html#a8582342

Not sure how hard it would be to fix this problem (outstanding for years
meanwhile).

Markus