[boost] callback or file based construction of CSR graph

Subject: [boost] callback or file based construction of CSR graph
From: Dan Jiang (danjiang_at_[hidden])
Date: 2010-04-24 12:42:41

Is there any way for CSR graph to provide a constructor that takes a file stream pointer or a callback functor?  If not, how hard is it to add it?
I am using edges_are_sorted CSR constuctor. It doubles memory I passed in during constructor calls. My graph is huge (>30 million arcs) and It took >8gb ram to construct my CSR.  If I can have callback or file-based construction, I could cut down the memory usage by half.
Dan 		 	   		  
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