|
From: | Chris Wj |
Subject: | Re: [igraph] memory problem |
Date: | Fri, 30 Jan 2009 10:02:08 -0500 |
Hi,
It is not very hard "solve" this mystery, you have 170,000 vertices,
On Fri, Jan 30, 2009 at 12:30 PM, paolo <address@hidden> wrote:
> Hi,
>
> I'm trying to compute the shortest path for a weighted network with around
> 170000 vertices and 201000 edges. This is what happens:
>
>
>
>> s<-shortest.paths(g,weights = NULL)
>
> Error in shortest.paths(g, weights = NULL) :
>
> At vector.pmt:408 : cannot reserve space for vector, Out of memory
>
>
>
> I run Igraph on R, windows XP, with an intel core 2, CPU T7400 at 2.16GHz,
> with 2GB of RAM.
>
> I attach the network I'm trying to work on.
>
> Do you think there is any chance I can sort it out?
the result of this computation is a 170,000x170,000 matrix of 8-byte
doubles, to store this you need about 231.2 Gbytes of memory.
You can do the calculation for a subset of vertices if you give the
'v' argument.
Gabor
> _______________________________________________
> My best regards
>
> Paolo
>
>
>
> Paolo Masucci | CASA | University College London | 1-19 Torrington Place
> London WC1E 6BT UK | Tel 44 207 679 1255 |
>
> email: address@hidden | web: www.casa.ucl.ac.uk
>
>
>
> igraph-help mailing list
> address@hidden
> http://lists.nongnu.org/mailman/listinfo/igraph-help
>
>
--
Gabor Csardi <address@hidden> UNIL DGM
_______________________________________________
igraph-help mailing list
address@hidden
http://lists.nongnu.org/mailman/listinfo/igraph-help
[Prev in Thread] | Current Thread | [Next in Thread] |