Well, you'll have to show the code you are running. Gabor On Fri, Dec 14, 2018 at 2:18 PM Robin Cowan <[email protected]> wrote: > > I have a small simulation that creates a network of agents who then play a > game on the network. > I noticed that when I run the simulation under R 3.1.3 igraph 0.7.1 it takes > about 4 seconds. > When I run it using R 3.5.1 with igraph 1.2.2 it takes about 4 minutes. > > I use igraph to create a network and then extract neighbourhoods. The > neighbourhoods are what is actually used to get the nodes to play the game. > I re-wrote it to remove igraph from the code — to test whether igraph is the > issue, I created a list directly which represented the neighbourhoods. > With that elimination of igraph (and no other changes) it takes about 4 > seconds under R 3.5.1 > Some of the maintainers on the R list looked and came tot he same conclusion. > The problem is with igraph changes between 0,7 and 1.2. > Has this come to light before? > > Thanks, > Robin Cowan > > > > _______________________________________________ > igraph-help mailing list > [email protected] > https://lists.nongnu.org/mailman/listinfo/igraph-help
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