On Tuesday, August 2, 2016 at 10:41:26 AM UTC-7, Seth wrote:
>
> So, a 62.5 million edge LightGraphs.Graph should only take about a 1.25 
> gigs of memory, all-in. However, because the edges are being added to 
> vectors within the datastructure, and each vector is doing its own memory 
> allocation, we wind up with the Julia process taking ~6.5 gigs.
>
> Given that we don't know the degree distribution of the graph before we 
> load it (and therefore can't use sizehint! effectively), is there any way 
> to reclaim the allocated-but-unused memory from all these vectors, with the 
> accepted large performance hit that would come should we decide to add 
> another edge?
>

Things that I've tried that *don't* work:

- explicitly calling sizehint! after the vectors have been created and 
populated
- calling resize! after the vectors have been created and populated
 

Reply via email to