Re: [igraph] the old "cannot reserve space for vector" problem

[Tamas Nepusz]

> thanks a lot for the clarifications and the numbers. I think I'll pass on 
> calculating the entire matrix for now. Storing it twice means that swapping 
> is guaranteed, which should prevent a serious slowdown.
Note that if you calculate the matrix row by row, this means that at most one 
row of the matrix is stored twice (once in the Python layer and once in the C 
layer) at any time, so this should not increase memory costs too much.

-- 
Tamas